/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-trans.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 20:43:21,594 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 20:43:21,595 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 20:43:21,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 20:43:21,665 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-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf [2021-07-14 20:43:21,697 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 20:43:21,697 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 20:43:21,698 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 20:43:21,698 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 20:43:21,700 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 20:43:21,700 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 20:43:21,700 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 20:43:21,700 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 20:43:21,700 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 20:43:21,701 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 20:43:21,701 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 20:43:21,701 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 20:43:21,702 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 20:43:21,702 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 20:43:21,702 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 20:43:21,702 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 20:43:21,702 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 20:43:21,702 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 20:43:21,702 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 20:43:21,702 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 20:43:21,702 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 20:43:21,703 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 20:43:21,703 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 20:43:21,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 20:43:21,703 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 20:43:21,703 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 20:43:21,715 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 20:43:21,715 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 20:43:21,715 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-14 20:43:21,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 20:43:21,716 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 20:43:21,716 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 20:43:21,716 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 20:43:21,716 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 20:43:21,716 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-14 20:43:21,716 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 20:43:21,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 20:43:21,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 20:43:21,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 20:43:21,984 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 20:43:21,985 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 20:43:21,986 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-trans.wvr.bpl [2021-07-14 20:43:21,986 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-trans.wvr.bpl' [2021-07-14 20:43:22,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 20:43:22,006 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 20:43:22,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 20:43:22,007 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 20:43:22,007 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 20:43:22,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:43:22" (1/1) ... [2021-07-14 20:43:22,021 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:43:22" (1/1) ... [2021-07-14 20:43:22,025 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 20:43:22,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 20:43:22,026 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 20:43:22,026 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 20:43:22,031 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:43:22" (1/1) ... [2021-07-14 20:43:22,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:43:22" (1/1) ... [2021-07-14 20:43:22,041 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:43:22" (1/1) ... [2021-07-14 20:43:22,041 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:43:22" (1/1) ... [2021-07-14 20:43:22,047 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:43:22" (1/1) ... [2021-07-14 20:43:22,049 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:43:22" (1/1) ... [2021-07-14 20:43:22,050 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:43:22" (1/1) ... [2021-07-14 20:43:22,050 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 20:43:22,051 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 20:43:22,051 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 20:43:22,051 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 20:43:22,052 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:43:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 20:43:22,094 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 20:43:22,094 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 20:43:22,094 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 20:43:22,094 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 20:43:22,094 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 20:43:22,094 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 20:43:22,095 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 20:43:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 20:43:22,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 20:43:22,095 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-14 20:43:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-14 20:43:22,095 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-14 20:43:22,096 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 20:43:22,338 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 20:43:22,338 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-07-14 20:43:22,341 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-14 20:43:22,341 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-14 20:43:22,341 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2021-07-14 20:43:22,342 INFO L202 PluginConnector]: Adding new model array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 08:43:22 BoogieIcfgContainer [2021-07-14 20:43:22,342 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 20:43:22,344 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 20:43:22,344 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 20:43:22,346 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 20:43:22,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 08:43:22" (1/2) ... [2021-07-14 20:43:22,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a011115 and model type array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 08:43:22, skipping insertion in model container [2021-07-14 20:43:22,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 08:43:22" (2/2) ... [2021-07-14 20:43:22,347 INFO L111 eAbstractionObserver]: Analyzing ICFG array-int-trans.wvr.bpl [2021-07-14 20:43:22,351 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 20:43:22,351 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 20:43:22,351 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 20:43:22,351 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 20:43:22,398 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-14 20:43:22,413 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 20:43:22,450 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 20:43:22,450 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 20:43:22,450 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 20:43:22,451 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 20:43:22,451 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 20:43:22,451 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 20:43:22,451 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 20:43:22,451 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 20:43:22,515 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:43:22,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:43:22,522 INFO L82 PathProgramCache]: Analyzing trace with hash -1493740920, now seen corresponding path program 1 times [2021-07-14 20:43:22,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:43:22,529 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282599409] [2021-07-14 20:43:22,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:43:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:22,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:22,684 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:43:22,684 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282599409] [2021-07-14 20:43:22,685 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282599409] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 20:43:22,685 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 20:43:22,685 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-14 20:43:22,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990786618] [2021-07-14 20:43:22,688 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 20:43:22,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:43:22,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 20:43:22,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-14 20:43:22,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:22,699 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:43:22,701 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:43:22,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:22,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:43:22,739 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 20:43:22,739 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:43:22,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:43:22,742 INFO L82 PathProgramCache]: Analyzing trace with hash -346961070, now seen corresponding path program 1 times [2021-07-14 20:43:22,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:43:22,743 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930904526] [2021-07-14 20:43:22,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:43:22,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:22,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:22,827 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:43:22,827 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930904526] [2021-07-14 20:43:22,827 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930904526] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:22,827 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [496811786] [2021-07-14 20:43:22,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:43:22,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:22,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-14 20:43:22,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:43:23,081 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:23,082 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [496811786] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:23,082 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:43:23,083 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-07-14 20:43:23,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263632653] [2021-07-14 20:43:23,084 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 20:43:23,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:43:23,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 20:43:23,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-07-14 20:43:23,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:23,085 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:43:23,085 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 9 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:43:23,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:43:23,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:23,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:43:23,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:23,405 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:43:23,405 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:43:23,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:43:23,406 INFO L82 PathProgramCache]: Analyzing trace with hash -1508306844, now seen corresponding path program 1 times [2021-07-14 20:43:23,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:43:23,406 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214372889] [2021-07-14 20:43:23,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:43:23,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:23,496 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 20:43:23,496 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:43:23,496 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214372889] [2021-07-14 20:43:23,496 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214372889] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:23,497 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [624155126] [2021-07-14 20:43:23,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:43:23,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:23,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 20:43:23,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:43:23,653 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 20:43:23,653 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [624155126] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:23,653 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:43:23,654 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-07-14 20:43:23,654 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342733998] [2021-07-14 20:43:23,655 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 20:43:23,655 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:43:23,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 20:43:23,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-14 20:43:23,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:23,656 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:43:23,656 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:43:23,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:43:23,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:23,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:23,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:43:23,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:23,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:23,971 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:43:23,971 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:43:23,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:43:23,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1352968370, now seen corresponding path program 1 times [2021-07-14 20:43:23,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:43:23,972 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323756844] [2021-07-14 20:43:23,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:43:23,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:24,036 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:24,036 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:43:24,037 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323756844] [2021-07-14 20:43:24,037 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323756844] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:24,037 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [457936661] [2021-07-14 20:43:24,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:43:24,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:24,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 20:43:24,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:43:24,141 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:24,141 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [457936661] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:24,141 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:43:24,141 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-07-14 20:43:24,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988089299] [2021-07-14 20:43:24,142 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 20:43:24,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:43:24,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 20:43:24,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-07-14 20:43:24,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:24,142 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:43:24,143 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:43:24,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:43:24,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:24,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:24,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:24,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:43:24,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:24,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:24,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:24,424 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:43:24,425 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:43:24,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:43:24,425 INFO L82 PathProgramCache]: Analyzing trace with hash -350101756, now seen corresponding path program 1 times [2021-07-14 20:43:24,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:43:24,426 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842384462] [2021-07-14 20:43:24,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:43:24,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:24,774 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:24,774 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:43:24,774 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842384462] [2021-07-14 20:43:24,774 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842384462] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:24,774 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1567213087] [2021-07-14 20:43:24,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:43:24,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:24,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 23 conjunts are in the unsatisfiable core [2021-07-14 20:43:24,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:43:25,106 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:25,107 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:25,110 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 20:43:25,111 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:25,123 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:25,124 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 20:43:25,125 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:25,157 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:25,161 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:25,161 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:25,162 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-14 20:43:25,165 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:25,168 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:25,169 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-07-14 20:43:25,174 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-07-14 20:43:25,209 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:25,218 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-07-14 20:43:25,218 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:115, output treesize:103 [2021-07-14 20:43:25,669 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 15=[array_0]} [2021-07-14 20:43:25,680 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:25,681 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2021-07-14 20:43:25,683 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-07-14 20:43:25,691 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:25,692 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 20:43:25,694 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:25,698 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:25,699 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 20:43:25,701 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:25,706 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:25,707 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-14 20:43:25,708 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:25,713 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:25,713 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-07-14 20:43:25,717 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:25,723 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:25,723 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-07-14 20:43:25,725 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2021-07-14 20:43:25,730 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:25,731 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-07-14 20:43:25,732 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2021-07-14 20:43:25,740 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:25,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-07-14 20:43:25,742 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:25,748 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:25,749 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-14 20:43:25,750 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:25,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 29 [2021-07-14 20:43:25,759 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2021-07-14 20:43:26,051 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 81 [2021-07-14 20:43:26,051 INFO L628 ElimStorePlain]: treesize reduction 144, result has 71.3 percent of original size [2021-07-14 20:43:26,058 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:26,058 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:26,058 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-07-14 20:43:26,059 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:26,064 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:26,065 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:26,066 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-07-14 20:43:26,066 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:26,075 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:26,079 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:26,079 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:26,080 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 20:43:26,085 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:26,089 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:26,090 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:26,091 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 20:43:26,092 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:26,100 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:26,106 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:26,107 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:26,107 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 20:43:26,108 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:26,113 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:26,114 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:26,114 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 20:43:26,115 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:26,124 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:26,129 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:26,130 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:26,130 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-07-14 20:43:26,131 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:26,136 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:26,136 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:26,137 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-07-14 20:43:26,138 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:26,142 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:26,143 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:26,143 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 19 [2021-07-14 20:43:26,144 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:26,157 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:26,163 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:26,164 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:26,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-07-14 20:43:26,167 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:26,171 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:26,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-07-14 20:43:26,172 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:26,283 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-07-14 20:43:26,284 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:26,292 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-07-14 20:43:26,292 INFO L247 ElimStorePlain]: Needed 22 recursive calls to eliminate 7 variables, input treesize:403, output treesize:179 [2021-07-14 20:43:26,455 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2021-07-14 20:43:26,555 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:26,556 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1567213087] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:26,556 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:43:26,556 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 16 [2021-07-14 20:43:26,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893215124] [2021-07-14 20:43:26,556 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-14 20:43:26,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:43:26,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-14 20:43:26,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2021-07-14 20:43:26,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:26,557 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:43:26,557 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.9375) internal successors, (31), 16 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:43:26,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:43:26,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:26,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:26,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:26,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:26,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:43:26,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:26,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:26,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:26,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:26,909 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-07-14 20:43:26,909 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:43:26,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:43:26,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1198537210, now seen corresponding path program 2 times [2021-07-14 20:43:26,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:43:26,910 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623282738] [2021-07-14 20:43:26,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:43:26,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:27,056 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:27,057 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:43:27,057 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623282738] [2021-07-14 20:43:27,057 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623282738] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:27,057 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104672576] [2021-07-14 20:43:27,057 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:43:27,094 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 20:43:27,094 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:43:27,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 23 conjunts are in the unsatisfiable core [2021-07-14 20:43:27,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:43:27,157 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:27,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 20:43:27,159 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:27,161 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:27,162 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-14 20:43:27,163 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:27,165 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2021-07-14 20:43:27,167 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:27,201 INFO L628 ElimStorePlain]: treesize reduction 28, result has 63.2 percent of original size [2021-07-14 20:43:27,202 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 20:43:27,203 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:97, output treesize:48 [2021-07-14 20:43:27,293 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 27 treesize of output 21 [2021-07-14 20:43:27,295 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 20:43:27,304 INFO L628 ElimStorePlain]: treesize reduction 7, result has 61.1 percent of original size [2021-07-14 20:43:27,304 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 20:43:27,305 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 20:43:27,305 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:11 [2021-07-14 20:43:27,327 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:27,328 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [104672576] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:27,328 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:43:27,328 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 15 [2021-07-14 20:43:27,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364868962] [2021-07-14 20:43:27,328 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-14 20:43:27,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:43:27,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-14 20:43:27,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-07-14 20:43:27,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:27,329 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:43:27,329 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 2.0) internal successors, (30), 15 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:43:27,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:43:27,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:27,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:27,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:27,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:27,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:27,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:43:27,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:27,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:27,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:27,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:27,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:27,927 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:43:27,928 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:43:27,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:43:27,929 INFO L82 PathProgramCache]: Analyzing trace with hash -842500420, now seen corresponding path program 3 times [2021-07-14 20:43:27,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:43:27,929 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655056352] [2021-07-14 20:43:27,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:43:27,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:28,014 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:28,015 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:43:28,015 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655056352] [2021-07-14 20:43:28,015 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655056352] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:28,015 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [796097780] [2021-07-14 20:43:28,015 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:43:28,060 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-07-14 20:43:28,060 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:43:28,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-14 20:43:28,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:43:28,122 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:28,123 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 20:43:28,124 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:28,126 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 20:43:28,126 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:28,138 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:28,139 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 20:43:28,139 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 20:43:28,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 20:43:28,198 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:28,200 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 8 treesize of output 6 [2021-07-14 20:43:28,202 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:28,206 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:28,207 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 20:43:28,207 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:28,209 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 20:43:28,211 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:28,228 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-07-14 20:43:28,228 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 20:43:28,228 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 20:43:28,229 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-14 20:43:28,258 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:28,259 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [796097780] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:28,259 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:43:28,259 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 14 [2021-07-14 20:43:28,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470686995] [2021-07-14 20:43:28,259 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-14 20:43:28,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:43:28,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-14 20:43:28,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-07-14 20:43:28,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:28,260 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:43:28,260 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.8571428571428572) internal successors, (26), 14 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:43:28,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:43:28,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:28,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:28,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:28,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:28,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:28,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:28,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:43:28,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:28,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:28,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:28,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:28,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:28,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:28,867 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2021-07-14 20:43:28,868 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:43:28,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:43:28,868 INFO L82 PathProgramCache]: Analyzing trace with hash 1957685294, now seen corresponding path program 4 times [2021-07-14 20:43:28,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:43:28,868 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266717556] [2021-07-14 20:43:28,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:43:28,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:28,952 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:28,952 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:43:28,952 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266717556] [2021-07-14 20:43:28,952 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266717556] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:28,952 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1560454517] [2021-07-14 20:43:28,952 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 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:43:28,987 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 20:43:28,987 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:43:28,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-14 20:43:28,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:43:29,037 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:29,038 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 20:43:29,039 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:29,041 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 20:43:29,041 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:29,054 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:29,054 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 20:43:29,054 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 20:43:29,109 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:29,110 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 20:43:29,111 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:29,113 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 20:43:29,113 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:29,128 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 20:43:29,128 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 20:43:29,128 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:43:29,128 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 20:43:29,148 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:29,148 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1560454517] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:29,148 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:43:29,149 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 14 [2021-07-14 20:43:29,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197024736] [2021-07-14 20:43:29,149 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-14 20:43:29,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:43:29,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-14 20:43:29,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-07-14 20:43:29,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:29,150 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:43:29,150 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.8571428571428572) internal successors, (26), 14 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:43:29,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:43:29,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:29,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:29,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:29,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:29,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:29,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:29,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:29,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:43:29,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:29,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:29,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:29,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:29,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:29,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:29,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:29,543 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2021-07-14 20:43:29,544 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:43:29,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:43:29,544 INFO L82 PathProgramCache]: Analyzing trace with hash 1216253704, now seen corresponding path program 5 times [2021-07-14 20:43:29,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:43:29,544 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467665970] [2021-07-14 20:43:29,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:43:29,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:29,887 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:29,888 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:43:29,888 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467665970] [2021-07-14 20:43:29,888 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467665970] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:29,888 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [56397503] [2021-07-14 20:43:29,888 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:43:29,927 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 20:43:29,927 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:43:29,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 36 conjunts are in the unsatisfiable core [2021-07-14 20:43:29,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:43:30,500 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2021-07-14 20:43:30,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:30,607 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:30,607 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:30,609 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:30,610 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:30,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 23 [2021-07-14 20:43:30,611 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:30,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:30,615 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:30,616 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:30,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-07-14 20:43:30,617 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:30,747 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2021-07-14 20:43:30,748 INFO L628 ElimStorePlain]: treesize reduction 36, result has 85.9 percent of original size [2021-07-14 20:43:30,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:30,752 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:30,753 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:30,754 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:30,755 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:30,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 33 [2021-07-14 20:43:30,757 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:30,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:30,762 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:30,762 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:30,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-07-14 20:43:30,763 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:30,816 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:30,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:30,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:30,821 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:30,822 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:30,824 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:30,829 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:30,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 23 [2021-07-14 20:43:30,831 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:30,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:30,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:30,836 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:30,836 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:30,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-07-14 20:43:30,839 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:30,884 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:30,895 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 5 dim-0 vars, and 5 xjuncts. [2021-07-14 20:43:30,895 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:288, output treesize:172 [2021-07-14 20:43:31,321 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_19, array_4, v_prenex_17], 3=[array_0, v_prenex_18, v_prenex_16]} [2021-07-14 20:43:31,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-07-14 20:43:31,328 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:31,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-07-14 20:43:31,333 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:31,423 INFO L628 ElimStorePlain]: treesize reduction 40, result has 78.4 percent of original size [2021-07-14 20:43:31,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2021-07-14 20:43:31,430 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:31,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-07-14 20:43:31,442 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:31,478 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:31,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2021-07-14 20:43:31,484 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2021-07-14 20:43:31,521 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:31,526 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:31,526 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:31,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-07-14 20:43:31,528 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:31,531 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:31,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-07-14 20:43:31,532 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:31,574 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:31,577 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:31,578 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:31,578 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-07-14 20:43:31,579 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:31,582 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:31,582 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 20:43:31,583 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:31,613 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:31,616 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:31,617 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:31,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 20:43:31,618 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:31,629 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:31,629 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 20:43:31,630 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:31,637 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:31,666 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:31,669 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 6 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-07-14 20:43:31,670 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 9 variables, input treesize:217, output treesize:31 [2021-07-14 20:43:31,723 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:31,723 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [56397503] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:31,723 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:43:31,723 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 22 [2021-07-14 20:43:31,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591789433] [2021-07-14 20:43:31,724 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-14 20:43:31,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:43:31,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-14 20:43:31,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=408, Unknown=0, NotChecked=0, Total=462 [2021-07-14 20:43:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:31,725 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:43:31,725 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.6818181818181819) internal successors, (37), 22 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:43:31,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:43:31,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:31,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:31,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:31,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:31,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:31,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:31,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:31,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:32,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:43:32,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:32,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:32,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:32,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:32,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:32,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:32,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:32,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:32,244 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:43:32,245 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:43:32,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:43:32,245 INFO L82 PathProgramCache]: Analyzing trace with hash 180996178, now seen corresponding path program 6 times [2021-07-14 20:43:32,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:43:32,245 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133014235] [2021-07-14 20:43:32,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:43:32,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:32,403 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:32,403 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:43:32,403 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133014235] [2021-07-14 20:43:32,404 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133014235] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:32,404 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [516841107] [2021-07-14 20:43:32,404 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:43:32,450 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-07-14 20:43:32,450 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:43:32,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-14 20:43:32,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:43:32,578 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:32,579 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:32,579 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 20:43:32,580 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:32,582 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:32,583 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 20:43:32,583 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:32,596 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:32,598 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-07-14 20:43:32,598 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:51, output treesize:37 [2021-07-14 20:43:32,839 INFO L446 ElimStorePlain]: Different costs {3=[array_4], 6=[array_0]} [2021-07-14 20:43:32,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,845 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:32,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-07-14 20:43:32,848 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:32,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,852 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:32,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2021-07-14 20:43:32,854 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:32,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,858 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:32,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2021-07-14 20:43:32,860 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:32,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:32,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2021-07-14 20:43:32,866 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-07-14 20:43:32,942 INFO L628 ElimStorePlain]: treesize reduction 38, result has 72.7 percent of original size [2021-07-14 20:43:32,945 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:32,945 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:32,946 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-07-14 20:43:32,947 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:32,950 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:32,951 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:32,951 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 20:43:32,952 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:32,955 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:32,955 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 20:43:32,955 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:32,962 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:32,995 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:32,997 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 20:43:32,997 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:193, output treesize:55 [2021-07-14 20:43:33,094 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:33,094 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [516841107] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:33,094 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:43:33,094 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 22 [2021-07-14 20:43:33,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259763359] [2021-07-14 20:43:33,095 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-14 20:43:33,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:43:33,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-14 20:43:33,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=408, Unknown=0, NotChecked=0, Total=462 [2021-07-14 20:43:33,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:33,095 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:43:33,095 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.7272727272727273) internal successors, (38), 22 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:43:33,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:43:33,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:33,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:33,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:33,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:33,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:33,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:33,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:33,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:33,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:33,688 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 64 [2021-07-14 20:43:33,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:43:33,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:33,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:33,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:33,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:33,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:33,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:33,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:33,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:33,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:34,059 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable100 [2021-07-14 20:43:34,059 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:43:34,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:43:34,059 INFO L82 PathProgramCache]: Analyzing trace with hash 1973465956, now seen corresponding path program 7 times [2021-07-14 20:43:34,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:43:34,060 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243810623] [2021-07-14 20:43:34,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:43:34,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:34,199 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:34,199 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:43:34,199 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243810623] [2021-07-14 20:43:34,199 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243810623] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:34,199 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094255757] [2021-07-14 20:43:34,199 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:43:34,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:34,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-14 20:43:34,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:43:34,301 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 15 treesize of output 11 [2021-07-14 20:43:34,302 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:34,304 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 16 treesize of output 12 [2021-07-14 20:43:34,305 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:34,318 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:34,318 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 20:43:34,318 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:51, output treesize:37 [2021-07-14 20:43:34,392 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:34,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 20:43:34,394 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:34,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 20:43:34,397 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:34,399 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 8 treesize of output 6 [2021-07-14 20:43:34,400 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:34,402 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 20:43:34,403 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:34,419 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-07-14 20:43:34,419 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 20:43:34,419 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 20:43:34,419 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-14 20:43:34,443 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:34,443 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1094255757] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:34,443 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:43:34,443 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 18 [2021-07-14 20:43:34,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328946501] [2021-07-14 20:43:34,443 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-14 20:43:34,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:43:34,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-14 20:43:34,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2021-07-14 20:43:34,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:34,444 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:43:34,444 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 18 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:43:34,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:43:34,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:34,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:34,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:34,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:34,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:34,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:34,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:34,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:34,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:34,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:35,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:43:35,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:35,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:35,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:35,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:35,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:35,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:35,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:35,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:35,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:35,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:35,208 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable116 [2021-07-14 20:43:35,209 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:43:35,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:43:35,209 INFO L82 PathProgramCache]: Analyzing trace with hash -1415090126, now seen corresponding path program 8 times [2021-07-14 20:43:35,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:43:35,209 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327015525] [2021-07-14 20:43:35,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:43:35,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:35,352 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:35,352 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:43:35,352 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327015525] [2021-07-14 20:43:35,352 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327015525] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:35,352 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807940724] [2021-07-14 20:43:35,352 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:43:35,388 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 20:43:35,388 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:43:35,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-14 20:43:35,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:43:35,457 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:35,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 20:43:35,458 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:35,460 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 20:43:35,461 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:35,473 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:35,474 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 20:43:35,474 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 20:43:35,557 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:35,558 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 20:43:35,559 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:35,561 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 20:43:35,562 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:35,577 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 20:43:35,577 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 20:43:35,577 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:43:35,577 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 20:43:35,600 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:35,600 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1807940724] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:35,600 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:43:35,601 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 18 [2021-07-14 20:43:35,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557359635] [2021-07-14 20:43:35,601 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-14 20:43:35,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:43:35,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-14 20:43:35,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2021-07-14 20:43:35,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:35,602 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:43:35,602 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 18 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:43:35,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:43:35,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:35,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:35,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:35,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:35,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:35,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:35,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:35,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:35,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:35,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:35,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:35,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:43:35,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:35,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:35,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:35,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:35,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:35,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:35,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:35,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:35,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:35,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:35,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:36,101 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable122 [2021-07-14 20:43:36,101 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:43:36,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:43:36,101 INFO L82 PathProgramCache]: Analyzing trace with hash -260569212, now seen corresponding path program 9 times [2021-07-14 20:43:36,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:43:36,101 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648455608] [2021-07-14 20:43:36,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:43:36,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:36,589 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:36,589 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:43:36,589 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648455608] [2021-07-14 20:43:36,589 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648455608] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:36,589 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581131084] [2021-07-14 20:43:36,589 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:43:36,630 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 20:43:36,630 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:43:36,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 48 conjunts are in the unsatisfiable core [2021-07-14 20:43:36,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:43:37,259 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2021-07-14 20:43:37,543 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 90 [2021-07-14 20:43:37,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:37,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:37,644 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:37,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:37,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:37,646 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:37,646 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:37,648 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:37,652 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:37,652 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:37,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-07-14 20:43:37,654 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:37,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:37,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:37,659 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:37,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:37,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:37,661 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:37,662 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:37,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 43 [2021-07-14 20:43:37,663 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:37,947 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2021-07-14 20:43:37,948 INFO L628 ElimStorePlain]: treesize reduction 53, result has 85.2 percent of original size [2021-07-14 20:43:37,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:37,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:37,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:37,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:37,955 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:37,955 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:37,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:37,956 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:37,959 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:37,960 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:37,961 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:37,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 45 [2021-07-14 20:43:37,964 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:37,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:37,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:37,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:37,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:37,970 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:37,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:37,971 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:37,972 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:37,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 43 [2021-07-14 20:43:37,973 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:38,052 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:38,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:38,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:38,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:38,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:38,060 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:38,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:38,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:38,062 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:38,062 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:38,065 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:38,066 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:38,067 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:38,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 37 [2021-07-14 20:43:38,069 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:38,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:38,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:38,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:38,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:38,075 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:38,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:38,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:38,076 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:38,077 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:38,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-07-14 20:43:38,078 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:38,137 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:38,146 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 5 dim-0 vars, and 5 xjuncts. [2021-07-14 20:43:38,146 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:408, output treesize:221 [2021-07-14 20:43:38,740 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_32, v_prenex_30, array_4], 6=[array_0, v_prenex_31, v_prenex_29]} [2021-07-14 20:43:38,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 33 [2021-07-14 20:43:38,749 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:38,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2021-07-14 20:43:38,755 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-14 20:43:38,872 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2021-07-14 20:43:38,872 INFO L628 ElimStorePlain]: treesize reduction 24, result has 90.0 percent of original size [2021-07-14 20:43:38,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2021-07-14 20:43:38,881 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:38,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 29 [2021-07-14 20:43:38,893 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:38,939 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:38,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 30 [2021-07-14 20:43:38,946 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:38,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2021-07-14 20:43:38,957 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:38,991 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:38,994 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:38,995 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:38,995 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-07-14 20:43:38,996 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:39,001 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:39,001 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-07-14 20:43:39,002 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:39,033 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:39,036 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:39,036 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:39,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 20:43:39,037 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:39,040 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:39,040 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 20:43:39,041 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:39,048 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:39,078 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:39,081 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:39,081 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:39,082 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-07-14 20:43:39,082 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:39,085 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:39,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 20:43:39,086 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:39,115 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:39,117 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 6 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-07-14 20:43:39,117 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 9 variables, input treesize:271, output treesize:31 [2021-07-14 20:43:39,193 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:39,194 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [581131084] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:39,194 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:43:39,194 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 28 [2021-07-14 20:43:39,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902045926] [2021-07-14 20:43:39,194 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-14 20:43:39,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:43:39,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-14 20:43:39,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=686, Unknown=0, NotChecked=0, Total=756 [2021-07-14 20:43:39,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:39,195 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:43:39,195 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 28 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:43:39,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:43:39,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:39,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:39,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:39,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:39,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:39,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:39,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:39,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:39,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:39,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:39,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:39,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:39,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:43:39,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:39,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:39,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:39,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:39,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:39,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:39,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:39,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:39,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:39,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:39,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:39,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:39,757 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable125 [2021-07-14 20:43:39,757 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:43:39,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:43:39,757 INFO L82 PathProgramCache]: Analyzing trace with hash 542626298, now seen corresponding path program 10 times [2021-07-14 20:43:39,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:43:39,758 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201702057] [2021-07-14 20:43:39,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:43:39,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:39,970 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:39,970 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:43:39,970 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201702057] [2021-07-14 20:43:39,970 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201702057] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:39,970 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1138436861] [2021-07-14 20:43:39,970 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:43:40,014 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 20:43:40,014 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:43:40,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 40 conjunts are in the unsatisfiable core [2021-07-14 20:43:40,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:43:40,085 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 15 treesize of output 11 [2021-07-14 20:43:40,086 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:40,088 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 17 treesize of output 13 [2021-07-14 20:43:40,089 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:40,096 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:40,096 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 20:43:40,096 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:39, output treesize:25 [2021-07-14 20:43:40,269 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:40,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 31 [2021-07-14 20:43:40,273 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 20:43:40,276 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:40,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2021-07-14 20:43:40,279 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:40,282 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:40,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 29 [2021-07-14 20:43:40,285 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:40,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2021-07-14 20:43:40,289 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:40,331 INFO L628 ElimStorePlain]: treesize reduction 55, result has 52.2 percent of original size [2021-07-14 20:43:40,334 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:40,335 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 20:43:40,335 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:40,337 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 20:43:40,338 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:40,344 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:40,363 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:40,363 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 20:43:40,364 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:181, output treesize:38 [2021-07-14 20:43:40,446 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:40,446 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1138436861] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:40,446 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:43:40,446 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 23 [2021-07-14 20:43:40,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844490002] [2021-07-14 20:43:40,447 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-14 20:43:40,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:43:40,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-14 20:43:40,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2021-07-14 20:43:40,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:40,448 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:43:40,448 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.608695652173913) internal successors, (37), 23 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:43:40,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:43:40,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:40,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:40,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:40,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:40,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:40,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:40,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:40,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:40,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:40,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:40,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:40,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:40,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:43:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:41,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:41,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:41,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:41,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:41,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:43:41,521 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:43:41,521 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:43:41,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:43:41,521 INFO L82 PathProgramCache]: Analyzing trace with hash 299097788, now seen corresponding path program 11 times [2021-07-14 20:43:41,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:43:41,522 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341898348] [2021-07-14 20:43:41,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:43:41,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:41,697 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:41,697 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:43:41,697 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341898348] [2021-07-14 20:43:41,698 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341898348] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:41,698 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1964858037] [2021-07-14 20:43:41,698 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:43:41,737 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-14 20:43:41,738 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:43:41,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 32 conjunts are in the unsatisfiable core [2021-07-14 20:43:41,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:43:41,802 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:41,802 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 20:43:41,803 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:41,805 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 20:43:41,806 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:41,819 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:41,820 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 20:43:41,820 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 20:43:41,931 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:41,932 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 20:43:41,932 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:41,935 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:41,936 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 20:43:41,937 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:41,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 20:43:41,941 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:41,943 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:43:41,943 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:41,959 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-07-14 20:43:41,959 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 20:43:41,960 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 20:43:41,960 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-14 20:43:41,987 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:41,987 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1964858037] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:41,987 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:43:41,987 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 22 [2021-07-14 20:43:41,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962811810] [2021-07-14 20:43:41,987 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-14 20:43:41,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:43:41,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-14 20:43:41,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-07-14 20:43:41,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:41,988 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:43:41,988 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:43:41,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:43:41,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:41,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:41,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:41,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:41,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:41,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:41,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:41,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:41,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:41,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:41,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:41,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:41,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:43:41,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:42,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:43:42,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:42,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:42,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:42,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:42,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:42,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:42,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:42,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:42,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:42,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:42,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:42,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:42,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:43:42,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:43:42,984 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable189 [2021-07-14 20:43:42,984 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:43:42,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:43:42,985 INFO L82 PathProgramCache]: Analyzing trace with hash -1666925650, now seen corresponding path program 12 times [2021-07-14 20:43:42,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:43:42,985 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282981504] [2021-07-14 20:43:42,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:43:42,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:43,150 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:43,151 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:43:43,151 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282981504] [2021-07-14 20:43:43,151 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282981504] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:43,151 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393742137] [2021-07-14 20:43:43,151 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:43:43,190 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-07-14 20:43:43,191 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:43:43,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 32 conjunts are in the unsatisfiable core [2021-07-14 20:43:43,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:43:43,264 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:43,264 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 20:43:43,265 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:43,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 20:43:43,267 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:43,279 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:43,280 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 20:43:43,280 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 20:43:43,391 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:43,391 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 20:43:43,397 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:43,399 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 20:43:43,400 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:43,415 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 20:43:43,415 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 20:43:43,415 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:43:43,416 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 20:43:43,450 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:43,450 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [393742137] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:43,450 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:43:43,450 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 22 [2021-07-14 20:43:43,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941501267] [2021-07-14 20:43:43,451 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-14 20:43:43,451 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:43:43,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-14 20:43:43,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-07-14 20:43:43,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:43,451 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:43:43,451 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:43:43,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:43:43,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:43,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:43,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:43,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:43,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:43,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:43,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:43,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:43,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:43,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:43,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:43,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:43,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:43:43,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:43:43,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:43,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:43:43,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:43,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:43,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:43,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:43,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:43,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:43,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:43,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:43,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:43,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:43,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:43,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:43,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:43:43,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:43:43,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:43:44,105 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable195,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:43:44,105 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:43:44,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:43:44,105 INFO L82 PathProgramCache]: Analyzing trace with hash 522464136, now seen corresponding path program 13 times [2021-07-14 20:43:44,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:43:44,106 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351191584] [2021-07-14 20:43:44,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:43:44,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:44,481 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:44,481 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:43:44,481 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351191584] [2021-07-14 20:43:44,481 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351191584] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:44,481 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200388803] [2021-07-14 20:43:44,481 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:43:44,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:44,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 60 conjunts are in the unsatisfiable core [2021-07-14 20:43:44,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:43:45,361 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 137 [2021-07-14 20:43:45,719 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 100 [2021-07-14 20:43:46,139 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 145 [2021-07-14 20:43:46,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:46,260 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:46,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:46,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:46,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:46,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:46,263 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:46,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:46,264 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:46,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:46,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:46,265 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:46,266 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:46,271 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:46,273 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:46,275 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:46,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 55 [2021-07-14 20:43:46,276 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:46,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:46,281 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:46,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:46,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:46,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:46,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:46,286 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:46,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:46,287 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:46,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:46,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:46,289 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:46,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 57 [2021-07-14 20:43:46,291 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:46,503 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 105 [2021-07-14 20:43:46,504 INFO L628 ElimStorePlain]: treesize reduction 88, result has 80.5 percent of original size [2021-07-14 20:43:46,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:46,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:46,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:46,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:46,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:46,525 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:46,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:46,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:46,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:46,528 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:46,528 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:46,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:46,529 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:46,534 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:46,537 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:46,538 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:46,540 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:46,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 55 [2021-07-14 20:43:46,542 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:46,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:46,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:46,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:46,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:46,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:46,550 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:46,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:46,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:46,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:46,553 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:46,553 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:46,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:46,554 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:46,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 47 [2021-07-14 20:43:46,556 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:46,628 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:46,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:46,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:46,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:46,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:46,636 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:46,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:46,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:46,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:46,638 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:46,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:46,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:46,640 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:46,640 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:46,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 49 [2021-07-14 20:43:46,644 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:46,708 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:46,717 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 5 dim-0 vars, and 5 xjuncts. [2021-07-14 20:43:46,718 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:504, output treesize:262 [2021-07-14 20:43:47,614 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_50, array_4, v_prenex_48], 10=[array_0, v_prenex_47, v_prenex_49]} [2021-07-14 20:43:47,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 36 [2021-07-14 20:43:47,625 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:47,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 34 [2021-07-14 20:43:47,634 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:47,747 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2021-07-14 20:43:47,747 INFO L628 ElimStorePlain]: treesize reduction 58, result has 77.4 percent of original size [2021-07-14 20:43:47,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2021-07-14 20:43:47,754 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-07-14 20:43:47,803 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:47,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2021-07-14 20:43:47,813 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:47,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 37 [2021-07-14 20:43:47,818 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:47,852 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:47,869 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:47,869 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:47,870 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 20:43:47,870 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:47,873 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:47,874 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 20:43:47,874 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:47,882 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:47,913 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:47,916 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:47,916 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:47,917 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-07-14 20:43:47,917 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:47,920 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:47,920 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-07-14 20:43:47,921 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:47,951 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:47,954 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:47,954 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:47,955 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-07-14 20:43:47,955 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:47,958 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:47,958 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 20:43:47,959 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:47,989 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:47,991 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 6 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-07-14 20:43:47,991 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 9 variables, input treesize:325, output treesize:31 [2021-07-14 20:43:48,067 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:48,068 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [200388803] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:48,068 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:43:48,068 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18] total 34 [2021-07-14 20:43:48,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49869645] [2021-07-14 20:43:48,068 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-14 20:43:48,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:43:48,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-14 20:43:48,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=1047, Unknown=0, NotChecked=0, Total=1122 [2021-07-14 20:43:48,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:48,069 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:43:48,069 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 34 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:43:48,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:43:48,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:48,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:48,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:48,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:48,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:48,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:48,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:48,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:48,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:48,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:48,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:48,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:48,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:43:48,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:43:48,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:43:48,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:48,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:43:48,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:48,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:48,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:48,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:48,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:48,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:48,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:48,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:48,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:48,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:48,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:48,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:48,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:43:48,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:43:48,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:43:48,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:43:48,884 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable198,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:43:48,885 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:43:48,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:43:48,885 INFO L82 PathProgramCache]: Analyzing trace with hash 1257096530, now seen corresponding path program 14 times [2021-07-14 20:43:48,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:43:48,885 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915096812] [2021-07-14 20:43:48,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:43:48,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:49,233 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:49,233 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:43:49,233 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915096812] [2021-07-14 20:43:49,233 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915096812] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:49,234 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [827936796] [2021-07-14 20:43:49,234 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:43:49,275 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 20:43:49,275 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:43:49,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 49 conjunts are in the unsatisfiable core [2021-07-14 20:43:49,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:43:49,468 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:49,469 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:49,469 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 20:43:49,470 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:49,472 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:49,472 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 20:43:49,473 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:49,485 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:49,487 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-07-14 20:43:49,487 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:51, output treesize:37 [2021-07-14 20:43:49,975 INFO L446 ElimStorePlain]: Different costs {10=[array_4], 28=[array_0]} [2021-07-14 20:43:49,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:49,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:49,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:49,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:49,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:49,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:49,986 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:49,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 42 [2021-07-14 20:43:49,991 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 20:43:49,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:49,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:49,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:49,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:49,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:49,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:50,001 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:50,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 40 [2021-07-14 20:43:50,004 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:50,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:50,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:50,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:50,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:50,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:50,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:50,023 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:50,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2021-07-14 20:43:50,027 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:50,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:50,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:50,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:50,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:50,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:50,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:50,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2021-07-14 20:43:50,035 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:50,105 INFO L628 ElimStorePlain]: treesize reduction 38, result has 72.7 percent of original size [2021-07-14 20:43:50,108 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:50,108 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:50,109 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 20:43:50,109 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:50,112 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:50,112 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:50,112 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 20:43:50,113 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:50,120 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:50,123 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:50,123 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-07-14 20:43:50,124 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:50,155 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:50,157 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 20:43:50,157 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 6 variables, input treesize:281, output treesize:55 [2021-07-14 20:43:50,265 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:50,265 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [827936796] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:50,266 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:43:50,266 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 32 [2021-07-14 20:43:50,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203421525] [2021-07-14 20:43:50,266 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-07-14 20:43:50,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:43:50,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-07-14 20:43:50,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=908, Unknown=0, NotChecked=0, Total=992 [2021-07-14 20:43:50,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:50,267 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:43:50,267 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 1.5) internal successors, (48), 32 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:43:50,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:43:50,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:50,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:50,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:50,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:50,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:50,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:50,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:50,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:50,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:50,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:50,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:50,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:50,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:43:50,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:43:50,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:43:50,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:43:50,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:51,386 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 70 [2021-07-14 20:43:51,579 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 61 [2021-07-14 20:43:51,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:43:51,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:51,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:51,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:51,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:51,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:51,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:51,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:51,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:51,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:51,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:51,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:51,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:51,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:43:51,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:43:51,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:43:51,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:43:51,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:43:51,987 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable249 [2021-07-14 20:43:51,988 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:43:51,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:43:51,988 INFO L82 PathProgramCache]: Analyzing trace with hash 972838500, now seen corresponding path program 15 times [2021-07-14 20:43:51,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:43:51,988 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783221705] [2021-07-14 20:43:51,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:43:52,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:52,206 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:52,206 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:43:52,206 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783221705] [2021-07-14 20:43:52,206 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783221705] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:52,206 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [224650858] [2021-07-14 20:43:52,206 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:43:52,251 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-14 20:43:52,251 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:43:52,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-14 20:43:52,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:43:52,321 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:52,321 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 20:43:52,322 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:52,324 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 20:43:52,325 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:52,340 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:52,340 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 20:43:52,340 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 20:43:52,492 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:52,492 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 20:43:52,493 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:52,495 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 8 treesize of output 6 [2021-07-14 20:43:52,496 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:52,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 20:43:52,499 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:52,501 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 20:43:52,502 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:52,518 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-07-14 20:43:52,518 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 20:43:52,518 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 20:43:52,519 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-14 20:43:52,550 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:52,551 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [224650858] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:52,551 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:43:52,551 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 26 [2021-07-14 20:43:52,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409362446] [2021-07-14 20:43:52,551 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-14 20:43:52,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:43:52,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-14 20:43:52,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2021-07-14 20:43:52,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:52,552 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:43:52,552 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 26 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:43:52,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:43:52,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:52,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:52,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:52,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:52,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:52,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:52,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:52,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:52,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:52,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:52,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:52,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:52,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:43:52,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:43:52,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:43:52,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:43:52,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:43:52,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:53,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:43:53,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:53,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:53,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:53,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:53,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:53,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:53,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:53,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:53,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:53,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:53,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:53,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:53,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:43:53,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:43:53,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:43:53,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:43:53,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:43:53,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:43:53,641 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable267 [2021-07-14 20:43:53,641 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:43:53,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:43:53,642 INFO L82 PathProgramCache]: Analyzing trace with hash 155654066, now seen corresponding path program 16 times [2021-07-14 20:43:53,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:43:53,642 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619074118] [2021-07-14 20:43:53,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:43:53,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:53,849 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:53,849 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:43:53,849 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619074118] [2021-07-14 20:43:53,849 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619074118] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:53,849 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1813987043] [2021-07-14 20:43:53,849 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 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:43:53,895 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 20:43:53,896 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:43:53,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-14 20:43:53,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:43:53,976 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 15 treesize of output 11 [2021-07-14 20:43:53,977 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:53,979 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 16 treesize of output 12 [2021-07-14 20:43:53,980 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:53,992 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:53,992 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 20:43:53,993 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 20:43:54,126 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:54,127 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 20:43:54,133 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:54,135 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 20:43:54,136 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:54,151 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 20:43:54,151 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 20:43:54,151 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:43:54,151 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 20:43:54,178 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:54,178 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1813987043] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:54,179 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:43:54,179 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 26 [2021-07-14 20:43:54,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082319638] [2021-07-14 20:43:54,179 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-14 20:43:54,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:43:54,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-14 20:43:54,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2021-07-14 20:43:54,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:54,180 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:43:54,180 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 26 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:43:54,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:43:54,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:54,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:54,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:54,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:54,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:54,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:54,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:54,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:54,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:54,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:54,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:54,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:54,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:43:54,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:43:54,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:43:54,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:43:54,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:43:54,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:43:54,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:43:54,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:43:54,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:54,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:54,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:54,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:43:54,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:54,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:54,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:43:54,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:43:54,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:54,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:43:54,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:43:54,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:43:54,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:43:54,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:43:54,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:43:54,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:43:54,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:43:54,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:43:54,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:43:54,937 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable273,21 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:43:54,937 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:43:54,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:43:54,938 INFO L82 PathProgramCache]: Analyzing trace with hash 1187860484, now seen corresponding path program 17 times [2021-07-14 20:43:54,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:43:54,938 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817306665] [2021-07-14 20:43:54,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:43:54,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:43:55,718 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:43:55,718 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:43:55,718 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817306665] [2021-07-14 20:43:55,719 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817306665] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:43:55,719 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [558297152] [2021-07-14 20:43:55,719 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:43:55,767 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-14 20:43:55,768 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:43:55,769 WARN L261 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 88 conjunts are in the unsatisfiable core [2021-07-14 20:43:55,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:43:56,871 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 167 [2021-07-14 20:43:57,251 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-07-14 20:43:57,704 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 176 [2021-07-14 20:43:58,239 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 129 [2021-07-14 20:43:58,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,367 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:58,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,369 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:58,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,371 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:58,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,373 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:58,373 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:58,378 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:58,381 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:58,385 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:58,388 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:58,388 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:58,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 59 [2021-07-14 20:43:58,390 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:58,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,400 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:58,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,402 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:58,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,404 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:58,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,406 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:58,406 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:58,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 67 [2021-07-14 20:43:58,408 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:58,575 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-07-14 20:43:58,575 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:58,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,585 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:58,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,590 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:58,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,593 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:58,593 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:58,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,594 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:58,599 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:58,604 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:58,607 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:58,608 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:58,609 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:58,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 67 [2021-07-14 20:43:58,611 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:58,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,621 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:58,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,625 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:58,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,628 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:58,628 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:58,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,629 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:58,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 59 [2021-07-14 20:43:58,631 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:58,772 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-07-14 20:43:58,773 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:58,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,781 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:58,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,783 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:58,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,787 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:58,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,788 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:58,788 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:58,792 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:58,795 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:58,802 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:58,803 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:58,804 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:58,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 67 [2021-07-14 20:43:58,806 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:58,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,813 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:58,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,815 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:58,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,819 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:58,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:43:58,821 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:58,821 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:43:58,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 69 [2021-07-14 20:43:58,824 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 20:43:58,945 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-07-14 20:43:58,946 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:43:58,960 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 6 dim-0 vars, and 6 xjuncts. [2021-07-14 20:43:58,960 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:646, output treesize:404 [2021-07-14 20:44:00,230 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 170 [2021-07-14 20:44:00,688 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 170 [2021-07-14 20:44:01,126 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 170 [2021-07-14 20:44:01,579 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 170 [2021-07-14 20:44:01,699 INFO L446 ElimStorePlain]: Different costs {5=[array_4], 1830=[array_0]} [2021-07-14 20:44:01,713 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:01,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 47 [2021-07-14 20:44:01,722 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:01,732 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:01,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 47 [2021-07-14 20:44:01,742 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:01,750 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:01,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2021-07-14 20:44:01,759 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-07-14 20:44:01,769 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:01,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 49 [2021-07-14 20:44:01,779 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:01,788 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:01,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 39 [2021-07-14 20:44:01,798 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:01,806 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:01,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 50 [2021-07-14 20:44:01,815 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2021-07-14 20:44:01,824 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:01,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 47 [2021-07-14 20:44:01,834 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:01,841 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:01,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 55 [2021-07-14 20:44:01,851 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 4 xjuncts. [2021-07-14 20:44:01,862 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:01,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 39 [2021-07-14 20:44:01,873 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:01,882 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:01,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2021-07-14 20:44:01,892 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:01,900 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:01,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 47 [2021-07-14 20:44:01,910 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:01,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 55 [2021-07-14 20:44:01,921 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 4 xjuncts. [2021-07-14 20:44:02,247 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 106 [2021-07-14 20:44:02,248 INFO L628 ElimStorePlain]: treesize reduction 366, result has 55.3 percent of original size [2021-07-14 20:44:02,254 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:02,254 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:02,255 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 19 [2021-07-14 20:44:02,255 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:02,261 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:02,261 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:02,261 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-07-14 20:44:02,262 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:02,275 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:44:02,280 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:02,281 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:02,281 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 20:44:02,282 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:02,287 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:02,287 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:02,287 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 20:44:02,288 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:02,297 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:44:02,302 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:02,302 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:02,302 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-07-14 20:44:02,303 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:02,308 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:02,309 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:02,309 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-07-14 20:44:02,320 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:02,325 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:02,326 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:02,326 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-07-14 20:44:02,327 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:02,335 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:44:02,340 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:02,341 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:02,341 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-07-14 20:44:02,342 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:02,346 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:02,347 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:02,347 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 20:44:02,348 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:02,352 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:02,352 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 20:44:02,353 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:02,361 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:44:02,490 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-07-14 20:44:02,491 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:44:02,497 INFO L550 ElimStorePlain]: Start of recursive call 1: 12 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-07-14 20:44:02,497 INFO L247 ElimStorePlain]: Needed 23 recursive calls to eliminate 14 variables, input treesize:1095, output treesize:282 [2021-07-14 20:44:02,730 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 48 [2021-07-14 20:44:02,884 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:44:02,884 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [558297152] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:44:02,884 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:44:02,884 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 41 [2021-07-14 20:44:02,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102800493] [2021-07-14 20:44:02,885 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-07-14 20:44:02,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:44:02,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-07-14 20:44:02,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=1529, Unknown=0, NotChecked=0, Total=1640 [2021-07-14 20:44:02,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:44:02,886 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:44:02,886 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 41 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:44:02,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:44:02,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:02,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:02,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:02,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:44:02,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:02,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:02,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:02,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:02,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:02,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:02,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:02,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:02,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:02,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:44:02,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:44:02,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:44:02,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:02,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:44:02,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:02,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:44:03,445 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2021-07-14 20:44:03,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:44:03,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:03,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:03,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:03,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:44:03,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:03,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:03,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:03,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:03,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:03,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:03,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:03,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:03,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:03,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:44:03,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:44:03,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:44:03,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:03,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:44:03,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:03,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:03,820 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable276 [2021-07-14 20:44:03,821 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:44:03,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:44:03,821 INFO L82 PathProgramCache]: Analyzing trace with hash -531830278, now seen corresponding path program 18 times [2021-07-14 20:44:03,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:44:03,821 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262935618] [2021-07-14 20:44:03,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:44:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:44:04,239 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:44:04,239 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:44:04,239 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262935618] [2021-07-14 20:44:04,240 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262935618] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:44:04,240 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2025065193] [2021-07-14 20:44:04,240 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 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:44:04,293 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-14 20:44:04,293 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:44:04,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 59 conjunts are in the unsatisfiable core [2021-07-14 20:44:04,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:44:04,403 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:04,404 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 20:44:04,404 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:04,407 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:04,407 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-14 20:44:04,408 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:04,410 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2021-07-14 20:44:04,411 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:04,447 INFO L628 ElimStorePlain]: treesize reduction 28, result has 63.2 percent of original size [2021-07-14 20:44:04,448 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 20:44:04,448 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:97, output treesize:48 [2021-07-14 20:44:04,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 41 [2021-07-14 20:44:04,844 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 20:44:04,854 INFO L628 ElimStorePlain]: treesize reduction 7, result has 61.1 percent of original size [2021-07-14 20:44:04,854 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 20:44:04,854 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 20:44:04,854 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:59, output treesize:11 [2021-07-14 20:44:04,898 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:44:04,898 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2025065193] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:44:04,898 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:44:04,898 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 31 [2021-07-14 20:44:04,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999969807] [2021-07-14 20:44:04,899 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-14 20:44:04,899 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:44:04,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-14 20:44:04,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=857, Unknown=0, NotChecked=0, Total=930 [2021-07-14 20:44:04,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:44:04,899 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:44:04,899 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.4838709677419355) internal successors, (46), 31 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:44:04,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:44:04,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:04,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:04,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:04,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:44:04,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:04,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:04,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:04,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:04,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:04,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:04,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:04,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:04,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:04,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:44:04,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:44:04,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:44:04,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:04,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:44:04,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:04,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:04,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:44:05,735 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2021-07-14 20:44:05,881 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-07-14 20:44:06,032 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2021-07-14 20:44:06,206 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2021-07-14 20:44:06,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:44:06,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:06,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:06,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:06,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:44:06,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:06,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:06,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:06,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:06,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:06,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:06,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:06,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:06,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:06,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:44:06,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:44:06,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:44:06,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:06,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:44:06,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:06,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:06,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:06,553 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable334 [2021-07-14 20:44:06,553 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:44:06,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:44:06,553 INFO L82 PathProgramCache]: Analyzing trace with hash 1350682300, now seen corresponding path program 19 times [2021-07-14 20:44:06,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:44:06,554 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347540638] [2021-07-14 20:44:06,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:44:06,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:44:06,834 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:44:06,834 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:44:06,834 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347540638] [2021-07-14 20:44:06,834 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347540638] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:44:06,834 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1338578676] [2021-07-14 20:44:06,834 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 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:44:06,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:44:06,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 44 conjunts are in the unsatisfiable core [2021-07-14 20:44:06,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:44:06,970 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 16 treesize of output 12 [2021-07-14 20:44:06,971 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:06,973 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 15 treesize of output 11 [2021-07-14 20:44:06,974 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:06,986 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:44:06,987 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 20:44:06,987 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:51, output treesize:37 [2021-07-14 20:44:07,149 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:07,150 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 20:44:07,151 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:07,153 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:07,153 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 20:44:07,153 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:07,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 20:44:07,156 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:07,158 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:44:07,158 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:07,173 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-07-14 20:44:07,173 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 20:44:07,173 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 20:44:07,173 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-14 20:44:07,204 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:44:07,204 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1338578676] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:44:07,204 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:44:07,204 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 30 [2021-07-14 20:44:07,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379890156] [2021-07-14 20:44:07,204 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-14 20:44:07,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:44:07,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-14 20:44:07,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=795, Unknown=0, NotChecked=0, Total=870 [2021-07-14 20:44:07,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:44:07,205 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:44:07,205 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 1.4) internal successors, (42), 30 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:44:07,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:44:07,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:07,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:07,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:07,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:44:07,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:07,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:07,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:07,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:07,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:07,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:07,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:07,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:07,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:07,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:44:07,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:44:07,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:44:07,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:07,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:44:07,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:07,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:07,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:07,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:44:08,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:44:08,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:08,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:08,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:08,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:44:08,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:08,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:08,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:08,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:08,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:08,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:08,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:08,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:08,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:08,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:44:08,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:44:08,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:44:08,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:08,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:44:08,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:08,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:08,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:08,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:44:08,385 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable349 [2021-07-14 20:44:08,386 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:44:08,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:44:08,386 INFO L82 PathProgramCache]: Analyzing trace with hash 1787768622, now seen corresponding path program 20 times [2021-07-14 20:44:08,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:44:08,386 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836192616] [2021-07-14 20:44:08,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:44:08,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:44:08,655 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:44:08,655 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:44:08,655 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836192616] [2021-07-14 20:44:08,655 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836192616] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:44:08,655 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [24663449] [2021-07-14 20:44:08,655 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 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:44:08,708 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 20:44:08,708 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:44:08,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 44 conjunts are in the unsatisfiable core [2021-07-14 20:44:08,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:44:08,784 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:08,784 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 20:44:08,785 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:08,786 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 20:44:08,787 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:08,799 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:44:08,800 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 20:44:08,800 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 20:44:08,980 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:08,980 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 20:44:08,981 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:08,983 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 20:44:08,983 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:08,998 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 20:44:08,998 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 20:44:08,998 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:44:08,998 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 20:44:09,028 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:44:09,028 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [24663449] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:44:09,028 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:44:09,028 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 30 [2021-07-14 20:44:09,028 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089121812] [2021-07-14 20:44:09,029 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-14 20:44:09,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:44:09,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-14 20:44:09,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=795, Unknown=0, NotChecked=0, Total=870 [2021-07-14 20:44:09,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:44:09,029 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:44:09,029 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 1.4) internal successors, (42), 30 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:44:09,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:44:09,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:09,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:09,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:09,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:44:09,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:09,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:09,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:09,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:09,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:09,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:09,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:09,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:09,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:09,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:44:09,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:44:09,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:44:09,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:09,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:44:09,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:09,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:09,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:09,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:44:09,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:44:09,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:44:09,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:09,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:09,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:09,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:44:09,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:09,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:09,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:09,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:09,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:09,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:09,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:09,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:09,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:09,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:44:09,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:44:09,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:44:09,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:09,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:44:09,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:09,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:09,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:09,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:44:09,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:09,942 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable355,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:44:09,942 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:44:09,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:44:09,943 INFO L82 PathProgramCache]: Analyzing trace with hash 243804168, now seen corresponding path program 21 times [2021-07-14 20:44:09,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:44:09,943 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473647811] [2021-07-14 20:44:09,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:44:09,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:44:10,651 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:44:10,652 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:44:10,652 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473647811] [2021-07-14 20:44:10,652 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473647811] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:44:10,652 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [864044564] [2021-07-14 20:44:10,652 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 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:44:10,700 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-14 20:44:10,700 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:44:10,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 83 conjunts are in the unsatisfiable core [2021-07-14 20:44:10,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:44:12,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,020 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:12,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:12,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 56 [2021-07-14 20:44:12,042 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 20:44:12,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,046 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:12,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 54 [2021-07-14 20:44:12,059 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:12,118 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:44:12,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,131 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:12,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,143 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:12,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 46 [2021-07-14 20:44:12,148 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:12,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,160 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:12,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:12,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 48 [2021-07-14 20:44:12,164 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:12,197 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:44:12,212 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-07-14 20:44:12,212 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:343, output treesize:111 [2021-07-14 20:44:12,969 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-07-14 20:44:13,267 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-07-14 20:44:13,653 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2021-07-14 20:44:14,094 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2021-07-14 20:44:14,586 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2021-07-14 20:44:14,701 INFO L446 ElimStorePlain]: Different costs {21=[array_4], 120=[array_0]} [2021-07-14 20:44:14,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,717 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:14,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 62 [2021-07-14 20:44:14,730 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-07-14 20:44:14,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,746 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:14,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 48 [2021-07-14 20:44:14,759 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:14,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,786 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:14,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 54 [2021-07-14 20:44:14,798 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:14,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,815 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:14,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 64 [2021-07-14 20:44:14,828 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-07-14 20:44:14,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,847 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:14,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 49 [2021-07-14 20:44:14,859 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:14,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,877 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:14,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 56 [2021-07-14 20:44:14,891 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:14,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,909 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:14,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 57 [2021-07-14 20:44:14,923 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2021-07-14 20:44:14,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,944 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:14,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 46 [2021-07-14 20:44:14,956 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:14,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,973 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:14,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 56 [2021-07-14 20:44:14,985 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2021-07-14 20:44:14,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:14,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:15,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:15,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:15,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 54 [2021-07-14 20:44:15,004 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:15,247 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 98 [2021-07-14 20:44:15,248 INFO L628 ElimStorePlain]: treesize reduction 160, result has 69.1 percent of original size [2021-07-14 20:44:15,254 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:15,254 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:15,255 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-07-14 20:44:15,255 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:15,260 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:15,261 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:15,261 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 19 [2021-07-14 20:44:15,262 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:15,267 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:15,267 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:15,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-07-14 20:44:15,268 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:15,281 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:44:15,286 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:15,287 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:15,287 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-07-14 20:44:15,288 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:15,293 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:15,293 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:15,293 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-07-14 20:44:15,294 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:15,303 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:44:15,307 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:15,308 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:15,308 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 20:44:15,309 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:15,313 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:15,314 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:15,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 20:44:15,315 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:15,323 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:44:15,328 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:15,329 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:15,329 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-07-14 20:44:15,330 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:15,334 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:15,335 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:15,335 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 20:44:15,336 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:15,340 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:15,341 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:15,341 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 20:44:15,342 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:15,350 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:44:15,354 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:15,355 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-07-14 20:44:15,355 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:15,455 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:44:15,460 INFO L550 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-07-14 20:44:15,460 INFO L247 ElimStorePlain]: Needed 22 recursive calls to eliminate 12 variables, input treesize:969, output treesize:185 [2021-07-14 20:44:15,669 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2021-07-14 20:44:15,786 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:44:15,786 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [864044564] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:44:15,786 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:44:15,786 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24] total 46 [2021-07-14 20:44:15,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841877918] [2021-07-14 20:44:15,787 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-07-14 20:44:15,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:44:15,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-07-14 20:44:15,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=1963, Unknown=0, NotChecked=0, Total=2070 [2021-07-14 20:44:15,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:44:15,787 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:44:15,788 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 1.326086956521739) internal successors, (61), 46 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:44:15,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:44:15,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:15,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:15,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:15,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:44:15,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:15,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:15,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:15,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:15,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:15,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:15,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:15,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:15,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:15,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:44:15,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:44:15,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:44:15,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:15,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:44:15,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:15,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:15,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:15,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:44:15,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:15,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:44:16,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:44:16,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:16,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:16,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:16,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:44:16,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:16,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:16,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:16,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:16,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:16,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:16,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:16,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:16,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:16,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:44:16,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:44:16,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:44:16,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:16,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:44:16,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:16,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:16,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:16,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:44:16,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:16,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:16,830 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable358 [2021-07-14 20:44:16,831 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:44:16,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:44:16,831 INFO L82 PathProgramCache]: Analyzing trace with hash -693779886, now seen corresponding path program 22 times [2021-07-14 20:44:16,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:44:16,831 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113236256] [2021-07-14 20:44:16,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:44:16,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:44:17,357 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:44:17,357 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:44:17,357 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113236256] [2021-07-14 20:44:17,357 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113236256] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:44:17,357 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1835324625] [2021-07-14 20:44:17,357 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 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:44:17,402 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 20:44:17,402 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:44:17,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 68 conjunts are in the unsatisfiable core [2021-07-14 20:44:17,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:44:17,514 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 15 treesize of output 11 [2021-07-14 20:44:17,515 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:17,528 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 25 treesize of output 19 [2021-07-14 20:44:17,530 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:17,532 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 24 treesize of output 18 [2021-07-14 20:44:17,533 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:17,571 INFO L628 ElimStorePlain]: treesize reduction 30, result has 63.4 percent of original size [2021-07-14 20:44:17,572 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 20:44:17,572 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:103, output treesize:52 [2021-07-14 20:44:18,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 46 [2021-07-14 20:44:18,089 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 20:44:18,099 INFO L628 ElimStorePlain]: treesize reduction 7, result has 61.1 percent of original size [2021-07-14 20:44:18,099 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 20:44:18,099 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 20:44:18,100 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:66, output treesize:11 [2021-07-14 20:44:18,141 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:44:18,141 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1835324625] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:44:18,141 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:44:18,141 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 36 [2021-07-14 20:44:18,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422197379] [2021-07-14 20:44:18,142 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-07-14 20:44:18,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:44:18,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-07-14 20:44:18,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=1181, Unknown=0, NotChecked=0, Total=1260 [2021-07-14 20:44:18,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:44:18,142 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:44:18,143 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 36 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:44:18,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:44:18,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:18,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:18,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:18,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:44:18,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:18,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:18,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:18,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:18,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:18,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:18,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:18,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:18,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:18,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:44:18,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:44:18,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:44:18,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:18,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:44:18,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:18,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:18,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:18,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:44:18,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:18,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:18,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:44:19,786 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 53 [2021-07-14 20:44:20,055 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 58 [2021-07-14 20:44:20,225 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 62 [2021-07-14 20:44:20,398 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 67 [2021-07-14 20:44:20,578 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 69 [2021-07-14 20:44:20,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:44:20,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:20,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:20,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:20,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:44:20,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:20,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:20,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:20,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:20,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:20,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:20,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:20,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:20,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:20,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:44:20,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:44:20,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:44:20,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:20,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:44:20,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:20,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:20,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:20,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:44:20,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:20,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:20,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 20:44:20,969 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable396,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:44:20,969 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:44:20,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:44:20,970 INFO L82 PathProgramCache]: Analyzing trace with hash 625211748, now seen corresponding path program 23 times [2021-07-14 20:44:20,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:44:20,970 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828208533] [2021-07-14 20:44:20,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:44:20,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:44:21,325 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 7 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:44:21,326 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:44:21,326 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828208533] [2021-07-14 20:44:21,326 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828208533] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:44:21,326 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [433872523] [2021-07-14 20:44:21,326 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 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:44:21,378 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-14 20:44:21,378 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:44:21,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-14 20:44:21,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:44:21,471 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:21,472 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 20:44:21,472 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:21,474 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 20:44:21,475 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:21,487 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:44:21,487 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 20:44:21,487 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 20:44:21,686 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 8 treesize of output 6 [2021-07-14 20:44:21,688 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:21,689 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:21,690 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 20:44:21,690 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:21,692 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:21,693 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 20:44:21,693 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:21,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 20:44:21,696 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:21,712 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-07-14 20:44:21,712 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 20:44:21,713 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 20:44:21,713 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-14 20:44:21,746 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 7 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:44:21,746 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [433872523] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:44:21,746 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:44:21,746 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 34 [2021-07-14 20:44:21,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642972533] [2021-07-14 20:44:21,746 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-14 20:44:21,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:44:21,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-14 20:44:21,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1036, Unknown=0, NotChecked=0, Total=1122 [2021-07-14 20:44:21,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:44:21,747 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:44:21,747 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 34 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:44:21,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:44:21,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:21,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:21,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:21,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:44:21,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:21,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:21,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:21,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:21,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:21,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:21,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:21,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:21,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:21,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:44:21,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:44:21,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:44:21,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:21,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:44:21,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:21,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:21,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:21,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:44:21,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:21,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:21,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 20:44:21,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:44:23,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:44:23,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:23,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:23,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:23,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:44:23,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:23,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:23,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:23,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:23,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:23,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:23,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:23,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:23,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:23,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:44:23,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:44:23,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:44:23,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:23,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:44:23,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:23,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:23,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:23,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:44:23,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:23,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:23,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 20:44:23,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:44:23,276 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable413 [2021-07-14 20:44:23,277 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:44:23,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:44:23,277 INFO L82 PathProgramCache]: Analyzing trace with hash 1289985842, now seen corresponding path program 24 times [2021-07-14 20:44:23,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:44:23,277 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130565445] [2021-07-14 20:44:23,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:44:23,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:44:23,625 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:44:23,625 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:44:23,625 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130565445] [2021-07-14 20:44:23,626 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130565445] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:44:23,626 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1607704718] [2021-07-14 20:44:23,626 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 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:44:23,679 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-14 20:44:23,680 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:44:23,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-14 20:44:23,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:44:23,781 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 15 treesize of output 11 [2021-07-14 20:44:23,782 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:23,784 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 16 treesize of output 12 [2021-07-14 20:44:23,784 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:23,798 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:44:23,798 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 20:44:23,799 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 20:44:24,017 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:24,017 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 20:44:24,018 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:24,020 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 20:44:24,020 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:24,034 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 20:44:24,034 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 20:44:24,035 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:44:24,035 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 20:44:24,065 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:44:24,065 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1607704718] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:44:24,065 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:44:24,065 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 34 [2021-07-14 20:44:24,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956788345] [2021-07-14 20:44:24,066 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-14 20:44:24,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:44:24,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-14 20:44:24,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1036, Unknown=0, NotChecked=0, Total=1122 [2021-07-14 20:44:24,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:44:24,066 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:44:24,067 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 34 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:44:24,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:44:24,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:24,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:24,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:24,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:44:24,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:24,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:24,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:24,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:24,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:24,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:24,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:24,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:24,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:24,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:44:24,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:44:24,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:44:24,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:24,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:44:24,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:24,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:24,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:24,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:44:24,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:24,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:24,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 20:44:24,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:44:24,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:44:24,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:44:24,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:24,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:24,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:24,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:44:24,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:24,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:24,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:24,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:24,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:24,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:24,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:24,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:24,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:24,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:44:24,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:44:24,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:44:24,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:24,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:44:24,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:24,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:24,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:24,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:44:24,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:24,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:24,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 20:44:24,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:44:24,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:25,162 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable420 [2021-07-14 20:44:25,162 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:44:25,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:44:25,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1992407172, now seen corresponding path program 25 times [2021-07-14 20:44:25,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:44:25,162 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075233240] [2021-07-14 20:44:25,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:44:25,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:44:25,942 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:44:25,942 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:44:25,942 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075233240] [2021-07-14 20:44:25,943 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075233240] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:44:25,943 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [735467943] [2021-07-14 20:44:25,943 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:44:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:44:25,991 WARN L261 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 111 conjunts are in the unsatisfiable core [2021-07-14 20:44:25,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:44:27,238 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-07-14 20:44:27,571 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-07-14 20:44:27,866 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-07-14 20:44:28,239 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2021-07-14 20:44:28,615 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2021-07-14 20:44:28,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,691 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:28,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,700 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:28,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,703 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:28,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,712 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:28,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,713 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:28,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,716 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:28,716 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:28,719 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:28,727 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:28,732 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:28,740 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:28,742 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:28,746 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:28,747 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:28,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 91 [2021-07-14 20:44:28,749 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:28,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,755 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:28,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,763 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:28,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,766 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:28,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,774 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:28,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,775 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:28,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,778 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:28,778 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:28,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 93 [2021-07-14 20:44:28,782 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:28,907 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-07-14 20:44:28,908 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:44:28,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,916 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:28,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,922 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:28,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,926 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:28,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,928 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:28,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,930 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:28,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,932 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:28,933 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:28,939 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:28,945 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:28,952 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:28,955 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:28,958 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:28,962 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:28,963 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:28,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 83 [2021-07-14 20:44:28,965 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:28,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,972 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:28,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,979 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:28,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,983 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:28,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,985 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:28,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,987 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:28,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:28,989 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:28,990 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:28,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 91 [2021-07-14 20:44:28,992 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:29,077 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:44:29,084 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-07-14 20:44:29,084 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:555, output treesize:327 [2021-07-14 20:44:30,485 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 172 [2021-07-14 20:44:31,075 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 172 [2021-07-14 20:44:31,522 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 172 [2021-07-14 20:44:31,982 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 172 [2021-07-14 20:44:32,444 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 172 [2021-07-14 20:44:32,913 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 172 [2021-07-14 20:44:33,044 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_140, array_4, v_prenex_134, v_prenex_136, v_prenex_138], 28=[array_0, v_prenex_133, v_prenex_135, v_prenex_137, v_prenex_139]} [2021-07-14 20:44:33,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 56 [2021-07-14 20:44:33,070 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:33,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 58 [2021-07-14 20:44:33,079 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:33,268 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 146 [2021-07-14 20:44:33,268 INFO L628 ElimStorePlain]: treesize reduction 366, result has 44.0 percent of original size [2021-07-14 20:44:33,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 63 [2021-07-14 20:44:33,276 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-07-14 20:44:33,332 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:44:33,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 63 [2021-07-14 20:44:33,339 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-07-14 20:44:33,391 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:44:33,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 63 [2021-07-14 20:44:33,397 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:33,437 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:44:33,438 INFO L518 ElimStorePlain]: Eliminatee v_prenex_138 vanished before elimination [2021-07-14 20:44:33,442 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:33,442 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:33,442 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 20:44:33,443 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:33,447 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:33,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 20:44:33,447 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:33,466 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:44:33,506 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:44:33,510 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:33,510 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:33,511 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 20:44:33,511 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:33,514 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:33,515 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 20:44:33,515 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:33,524 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:44:33,561 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:44:33,564 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:33,564 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-07-14 20:44:33,567 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:33,604 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:44:33,604 INFO L518 ElimStorePlain]: Eliminatee v_prenex_137 vanished before elimination [2021-07-14 20:44:33,607 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:33,607 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-07-14 20:44:33,608 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:33,645 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:44:33,647 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 10 dim-1 vars, End of recursive call: and 7 xjuncts. [2021-07-14 20:44:33,647 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 15 variables, input treesize:775, output treesize:52 [2021-07-14 20:44:33,775 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:44:33,775 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [735467943] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:44:33,775 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:44:33,775 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 26] total 51 [2021-07-14 20:44:33,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079764738] [2021-07-14 20:44:33,775 INFO L462 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-07-14 20:44:33,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:44:33,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-07-14 20:44:33,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=2443, Unknown=0, NotChecked=0, Total=2550 [2021-07-14 20:44:33,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:44:33,776 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:44:33,776 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 1.3137254901960784) internal successors, (67), 51 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:44:33,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:44:33,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:33,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:33,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:33,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:44:33,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:33,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:33,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:33,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:33,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:33,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:33,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:33,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:33,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:33,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:44:33,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:44:33,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:44:33,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:33,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:44:33,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:33,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:33,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:33,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:44:33,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:33,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:33,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 20:44:33,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:44:33,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:33,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:44:35,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:44:35,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:35,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:35,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:35,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:44:35,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:35,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:35,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:35,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:35,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:35,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:35,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:35,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:35,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:35,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:44:35,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:44:35,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:44:35,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:35,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:44:35,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:35,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:35,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:35,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:44:35,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:35,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:35,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 20:44:35,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:44:35,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:35,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:44:35,273 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable423 [2021-07-14 20:44:35,273 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:44:35,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:44:35,274 INFO L82 PathProgramCache]: Analyzing trace with hash 598180346, now seen corresponding path program 26 times [2021-07-14 20:44:35,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:44:35,274 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544320201] [2021-07-14 20:44:35,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:44:35,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:44:35,918 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:44:35,918 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:44:35,918 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544320201] [2021-07-14 20:44:35,918 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544320201] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:44:35,918 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [945891122] [2021-07-14 20:44:35,918 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 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:44:35,971 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 20:44:35,971 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:44:35,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 76 conjunts are in the unsatisfiable core [2021-07-14 20:44:35,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:44:36,142 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 15 treesize of output 11 [2021-07-14 20:44:36,143 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:36,145 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 17 treesize of output 13 [2021-07-14 20:44:36,145 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:36,153 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:44:36,153 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 20:44:36,153 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:39, output treesize:25 [2021-07-14 20:44:36,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,708 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:36,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 51 [2021-07-14 20:44:36,720 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:36,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,742 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:36,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 59 [2021-07-14 20:44:36,760 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:36,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:36,779 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:36,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 61 [2021-07-14 20:44:36,790 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-07-14 20:44:36,792 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:44:36,792 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:36,832 INFO L628 ElimStorePlain]: treesize reduction 32, result has 65.2 percent of original size [2021-07-14 20:44:36,834 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:36,835 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 20:44:36,835 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:36,837 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 20:44:36,838 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:36,844 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:44:36,862 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:44:36,863 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 20:44:36,863 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:373, output treesize:38 [2021-07-14 20:44:36,993 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:44:36,993 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [945891122] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:44:36,993 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:44:36,993 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 39 [2021-07-14 20:44:36,993 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708723491] [2021-07-14 20:44:36,994 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-07-14 20:44:36,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:44:36,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-07-14 20:44:36,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=1380, Unknown=0, NotChecked=0, Total=1482 [2021-07-14 20:44:36,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:44:36,994 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:44:36,994 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 1.358974358974359) internal successors, (53), 39 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:44:36,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:44:36,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:36,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:36,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:36,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:44:36,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:36,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:36,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:36,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:36,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:36,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:36,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:36,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:36,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:36,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:44:36,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:44:36,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:44:36,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:36,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:44:36,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:36,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:36,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:36,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:44:36,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:36,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:36,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 20:44:36,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:44:36,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:36,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:44:36,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:44:39,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:44:39,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:39,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:39,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:39,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:44:39,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:39,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:39,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:39,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:39,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:39,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:39,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:39,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:39,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:39,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:44:39,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:44:39,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:44:39,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:39,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:44:39,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:39,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:39,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:39,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:44:39,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:39,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:39,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 20:44:39,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:44:39,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:39,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:44:39,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 20:44:39,435 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable489,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:44:39,435 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:44:39,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:44:39,436 INFO L82 PathProgramCache]: Analyzing trace with hash 2021273276, now seen corresponding path program 27 times [2021-07-14 20:44:39,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:44:39,436 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778559501] [2021-07-14 20:44:39,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:44:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:44:40,065 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 8 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:44:40,065 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:44:40,065 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778559501] [2021-07-14 20:44:40,065 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778559501] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:44:40,065 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [861140353] [2021-07-14 20:44:40,065 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 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:44:40,185 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-14 20:44:40,186 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:44:40,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 76 conjunts are in the unsatisfiable core [2021-07-14 20:44:40,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:44:41,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:41,140 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:41,146 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:41,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 41 [2021-07-14 20:44:41,157 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:41,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:41,160 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:41,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 49 [2021-07-14 20:44:41,163 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:41,182 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:44:41,184 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-07-14 20:44:41,184 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:151, output treesize:53 [2021-07-14 20:44:41,990 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 6=[array_0]} [2021-07-14 20:44:41,993 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:41,993 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 20:44:41,994 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:41,997 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:41,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-14 20:44:41,998 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:42,001 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:42,001 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 20:44:42,002 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:42,005 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:42,005 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 20:44:42,006 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:42,009 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:42,009 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-07-14 20:44:42,010 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:42,013 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 20:44:42,013 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:42,063 INFO L628 ElimStorePlain]: treesize reduction 89, result has 33.1 percent of original size [2021-07-14 20:44:42,063 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-07-14 20:44:42,065 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 20:44:42,065 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:193, output treesize:26 [2021-07-14 20:44:42,165 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:44:42,165 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [861140353] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:44:42,165 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:44:42,165 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 29] total 48 [2021-07-14 20:44:42,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096894889] [2021-07-14 20:44:42,166 INFO L462 AbstractCegarLoop]: Interpolant automaton has 48 states [2021-07-14 20:44:42,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:44:42,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-07-14 20:44:42,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=2134, Unknown=0, NotChecked=0, Total=2256 [2021-07-14 20:44:42,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:44:42,166 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:44:42,167 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 48 states, 48 states have (on average 1.3541666666666667) internal successors, (65), 48 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:44:42,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:44:42,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:42,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:42,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:42,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:44:42,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:42,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:42,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:42,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:42,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:42,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:42,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:42,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:42,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:42,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:44:42,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:44:42,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:44:42,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:42,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:44:42,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:42,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:42,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:42,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:44:42,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:42,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:42,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 20:44:42,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:44:42,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:42,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:44:42,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 20:44:42,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:44:45,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:44:45,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:45,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:45,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:45,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:44:45,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:45,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:45,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:45,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:45,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:45,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:45,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:45,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:45,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:45,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:44:45,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:44:45,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:44:45,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:45,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:44:45,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:45,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:45,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:45,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:44:45,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:45,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:45,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 20:44:45,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:44:45,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:45,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:44:45,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:44:45,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 20:44:45,988 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable504,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:44:45,988 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:44:45,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:44:45,988 INFO L82 PathProgramCache]: Analyzing trace with hash 1154433710, now seen corresponding path program 28 times [2021-07-14 20:44:45,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:44:45,988 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575542384] [2021-07-14 20:44:45,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:44:45,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:44:46,387 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:44:46,388 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:44:46,388 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575542384] [2021-07-14 20:44:46,388 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575542384] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:44:46,388 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1057726414] [2021-07-14 20:44:46,388 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 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:44:46,438 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 20:44:46,438 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:44:46,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 56 conjunts are in the unsatisfiable core [2021-07-14 20:44:46,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:44:46,576 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 15 treesize of output 11 [2021-07-14 20:44:46,577 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:46,579 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 16 treesize of output 12 [2021-07-14 20:44:46,579 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:46,592 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:44:46,592 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 20:44:46,592 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 20:44:46,872 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:46,872 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 20:44:46,873 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:46,875 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 20:44:46,876 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:46,891 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 20:44:46,891 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 20:44:46,891 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:44:46,891 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 20:44:46,926 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:44:46,926 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1057726414] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:44:46,926 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:44:46,926 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 38 [2021-07-14 20:44:46,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490010865] [2021-07-14 20:44:46,927 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-07-14 20:44:46,927 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:44:46,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-07-14 20:44:46,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1309, Unknown=0, NotChecked=0, Total=1406 [2021-07-14 20:44:46,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:44:46,927 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:44:46,927 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 38 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:44:46,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:44:46,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:46,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:46,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:46,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:44:46,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:46,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:46,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:46,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:46,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:46,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:46,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:46,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:46,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:46,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:44:46,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:44:46,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:44:46,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:46,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:44:46,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:46,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:46,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:46,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:44:46,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:46,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:46,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 20:44:46,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:44:46,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:46,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:44:46,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:44:46,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 20:44:46,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:44:47,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:44:47,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:47,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:47,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:47,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:44:47,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:47,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:47,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:47,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:44:47,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:47,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:44:47,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:44:47,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:44:47,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:47,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:44:47,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:44:47,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:44:47,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:47,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:44:47,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:44:47,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:44:47,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:47,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:44:47,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:44:47,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:44:47,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 20:44:47,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:44:47,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:44:47,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:44:47,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:44:47,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 20:44:47,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 20:44:48,186 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable526 [2021-07-14 20:44:48,186 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:44:48,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:44:48,186 INFO L82 PathProgramCache]: Analyzing trace with hash 2085258376, now seen corresponding path program 29 times [2021-07-14 20:44:48,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:44:48,186 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26272696] [2021-07-14 20:44:48,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:44:48,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:44:49,625 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:44:49,625 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:44:49,625 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26272696] [2021-07-14 20:44:49,625 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26272696] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:44:49,626 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1833554639] [2021-07-14 20:44:49,626 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 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:44:49,697 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-14 20:44:49,697 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:44:49,699 WARN L261 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 132 conjunts are in the unsatisfiable core [2021-07-14 20:44:49,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:44:51,099 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-07-14 20:44:51,405 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-07-14 20:44:51,729 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-07-14 20:44:52,158 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-07-14 20:44:52,627 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-07-14 20:44:53,105 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2021-07-14 20:44:53,803 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2021-07-14 20:44:53,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,879 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:53,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,886 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:53,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,894 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:53,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,899 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:53,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,905 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:53,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,907 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:53,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,910 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:53,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,911 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:53,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:53,925 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:53,934 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:53,938 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:53,945 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:53,947 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:53,950 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:53,951 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:53,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 28 disjoint index pairs (out of 120 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 179 treesize of output 117 [2021-07-14 20:44:53,954 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:53,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,960 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:53,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,973 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:53,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,978 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:53,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,986 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:53,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,991 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:53,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,994 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:53,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,995 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:53,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:53,997 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:53,998 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:54,011 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:54,017 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:54,025 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:54,030 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:54,033 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:54,035 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:54,036 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:54,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 28 disjoint index pairs (out of 120 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 189 treesize of output 125 [2021-07-14 20:44:54,040 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:54,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,054 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:54,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,060 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:54,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,068 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:54,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,072 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:54,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,078 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:54,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,081 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:54,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,084 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:54,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,085 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:54,093 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:54,099 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:54,108 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:54,112 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:54,119 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:54,121 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:54,124 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:54,125 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:54,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 28 disjoint index pairs (out of 120 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 109 [2021-07-14 20:44:54,128 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:54,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,134 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:54,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,147 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:54,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,152 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:54,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,160 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:54,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,165 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:54,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,168 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:54,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,170 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:54,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:44:54,171 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:44:54,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 28 disjoint index pairs (out of 120 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 179 treesize of output 117 [2021-07-14 20:44:54,174 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:44:54,358 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2021-07-14 20:44:54,359 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:44:54,371 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-07-14 20:44:54,372 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:825, output treesize:573 [2021-07-14 20:44:55,190 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-07-14 20:44:56,169 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 256 [2021-07-14 20:44:57,027 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 257 [2021-07-14 20:44:57,793 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 257 [2021-07-14 20:44:58,564 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 257 [2021-07-14 20:44:59,480 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 257 [2021-07-14 20:45:00,426 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 257 [2021-07-14 20:45:01,255 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 257 [2021-07-14 20:45:02,123 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 257 [2021-07-14 20:45:02,310 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_191, v_prenex_193, v_prenex_195, v_prenex_185, array_4, v_prenex_187, v_prenex_189], 36=[v_prenex_190, v_prenex_192, array_0, v_prenex_194, v_prenex_184, v_prenex_186, v_prenex_188]} [2021-07-14 20:45:02,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 68 [2021-07-14 20:45:02,348 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:02,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 60 [2021-07-14 20:45:02,361 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:02,967 WARN L205 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 289 [2021-07-14 20:45:02,968 INFO L628 ElimStorePlain]: treesize reduction 416, result has 65.7 percent of original size [2021-07-14 20:45:02,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 55 [2021-07-14 20:45:02,979 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:03,193 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2021-07-14 20:45:03,194 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:45:03,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 70 [2021-07-14 20:45:03,204 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-07-14 20:45:03,404 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2021-07-14 20:45:03,404 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:45:03,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 70 [2021-07-14 20:45:03,414 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2021-07-14 20:45:03,606 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-07-14 20:45:03,607 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:45:03,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 72 [2021-07-14 20:45:03,638 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:03,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 70 [2021-07-14 20:45:03,648 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:03,795 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2021-07-14 20:45:03,796 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:45:03,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 70 [2021-07-14 20:45:03,835 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:03,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 72 [2021-07-14 20:45:03,844 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:03,939 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:45:03,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 72 [2021-07-14 20:45:03,947 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:04,026 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:45:04,026 INFO L518 ElimStorePlain]: Eliminatee v_prenex_190 vanished before elimination [2021-07-14 20:45:04,026 INFO L518 ElimStorePlain]: Eliminatee v_prenex_192 vanished before elimination [2021-07-14 20:45:04,031 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:04,032 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:04,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-07-14 20:45:04,033 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:04,051 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:04,051 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-07-14 20:45:04,052 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:04,130 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:45:04,135 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:04,136 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:04,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 20:45:04,137 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:04,141 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:04,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 20:45:04,142 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:04,151 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:45:04,226 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:45:04,231 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:04,231 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:04,231 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 20:45:04,232 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:04,237 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:04,237 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 20:45:04,237 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:04,246 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:45:04,319 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:45:04,324 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:04,325 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:04,325 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-07-14 20:45:04,326 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:04,331 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:04,331 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-07-14 20:45:04,332 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:04,404 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:45:04,408 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:04,409 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-07-14 20:45:04,409 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:04,478 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:45:04,482 INFO L550 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 14 dim-1 vars, End of recursive call: and 11 xjuncts. [2021-07-14 20:45:04,482 INFO L247 ElimStorePlain]: Needed 20 recursive calls to eliminate 21 variables, input treesize:1352, output treesize:103 [2021-07-14 20:45:04,679 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:45:04,679 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1833554639] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:45:04,679 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:45:04,679 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 30] total 59 [2021-07-14 20:45:04,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052719304] [2021-07-14 20:45:04,680 INFO L462 AbstractCegarLoop]: Interpolant automaton has 59 states [2021-07-14 20:45:04,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:45:04,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2021-07-14 20:45:04,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=3290, Unknown=0, NotChecked=0, Total=3422 [2021-07-14 20:45:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:45:04,681 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:45:04,681 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 59 states, 59 states have (on average 1.2372881355932204) internal successors, (73), 59 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:45:04,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:45:04,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:04,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:45:04,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:04,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:45:04,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:45:04,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:04,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:45:04,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:45:04,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:04,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:45:04,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:04,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:04,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:45:04,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:45:04,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:45:04,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:45:04,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:45:04,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:45:04,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:45:04,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:45:04,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:45:04,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:45:04,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:45:04,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:45:04,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 20:45:04,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:45:04,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:45:04,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:45:04,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:45:04,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 20:45:04,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 20:45:04,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:45:06,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:45:06,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:06,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:45:06,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:06,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:45:06,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:45:06,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:06,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:45:06,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:45:06,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:06,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:45:06,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:06,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:06,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:45:06,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:45:06,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:45:06,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:45:06,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:45:06,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:45:06,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:45:06,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:45:06,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:45:06,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:45:06,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:45:06,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:45:06,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 20:45:06,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:45:06,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:45:06,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:45:06,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:45:06,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 20:45:06,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 20:45:06,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:45:06,627 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable529,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:45:06,627 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:45:06,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:45:06,627 INFO L82 PathProgramCache]: Analyzing trace with hash -992362670, now seen corresponding path program 30 times [2021-07-14 20:45:06,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:45:06,627 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350954748] [2021-07-14 20:45:06,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:45:06,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:45:07,272 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:45:07,273 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:45:07,273 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350954748] [2021-07-14 20:45:07,273 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350954748] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:45:07,273 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [563902377] [2021-07-14 20:45:07,273 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 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:45:07,343 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-14 20:45:07,343 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:45:07,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 85 conjunts are in the unsatisfiable core [2021-07-14 20:45:07,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:45:07,773 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:07,774 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:07,774 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 20:45:07,775 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:07,777 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:07,777 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 20:45:07,778 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:07,791 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:45:07,793 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-07-14 20:45:07,793 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:51, output treesize:37 [2021-07-14 20:45:08,916 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-07-14 20:45:09,158 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-07-14 20:45:09,216 INFO L446 ElimStorePlain]: Different costs {36=[array_4], 45=[array_0]} [2021-07-14 20:45:09,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,242 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:09,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 70 [2021-07-14 20:45:09,258 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 20:45:09,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,284 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:09,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 68 [2021-07-14 20:45:09,299 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:09,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,326 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:09,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 60 [2021-07-14 20:45:09,343 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:09,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:09,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 62 [2021-07-14 20:45:09,366 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:09,446 INFO L628 ElimStorePlain]: treesize reduction 38, result has 72.7 percent of original size [2021-07-14 20:45:09,449 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:09,450 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:09,450 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 20:45:09,451 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:09,454 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:09,454 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:09,454 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 20:45:09,455 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:09,462 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:45:09,465 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:09,465 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-07-14 20:45:09,465 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:09,499 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:45:09,501 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 20:45:09,501 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:457, output treesize:55 [2021-07-14 20:45:09,636 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:45:09,636 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [563902377] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:45:09,636 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:45:09,637 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 52 [2021-07-14 20:45:09,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308226417] [2021-07-14 20:45:09,637 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-07-14 20:45:09,637 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:45:09,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-07-14 20:45:09,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=2508, Unknown=0, NotChecked=0, Total=2652 [2021-07-14 20:45:09,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:45:09,638 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:45:09,638 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 1.3076923076923077) internal successors, (68), 52 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:45:09,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:45:09,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:09,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:45:09,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:09,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:45:09,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:45:09,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:09,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:45:09,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:45:09,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:09,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:45:09,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:09,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:09,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:45:09,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:45:09,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:45:09,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:45:09,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:45:09,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:45:09,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:45:09,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:45:09,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:45:09,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:45:09,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:45:09,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:45:09,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 20:45:09,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:45:09,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:45:09,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:45:09,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:45:09,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 20:45:09,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 20:45:09,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:45:09,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:45:11,428 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 56 [2021-07-14 20:45:11,663 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 61 [2021-07-14 20:45:11,995 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 80 [2021-07-14 20:45:12,263 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 71 [2021-07-14 20:45:12,548 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 76 [2021-07-14 20:45:12,842 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 81 [2021-07-14 20:45:13,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:45:13,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:13,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:45:13,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:13,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:45:13,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:45:13,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:13,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:45:13,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:45:13,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:13,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:45:13,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:13,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:13,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:45:13,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:45:13,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:45:13,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:45:13,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:45:13,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:45:13,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:45:13,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:45:13,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:45:13,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:45:13,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:45:13,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:45:13,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 20:45:13,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:45:13,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:45:13,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:45:13,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:45:13,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 20:45:13,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 20:45:13,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:45:13,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:45:13,334 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable623 [2021-07-14 20:45:13,334 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:45:13,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:45:13,334 INFO L82 PathProgramCache]: Analyzing trace with hash -40919964, now seen corresponding path program 31 times [2021-07-14 20:45:13,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:45:13,334 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514179632] [2021-07-14 20:45:13,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:45:13,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:45:13,821 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 9 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:45:13,821 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:45:13,821 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514179632] [2021-07-14 20:45:13,821 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514179632] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:45:13,821 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1161884304] [2021-07-14 20:45:13,821 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 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:45:13,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:45:13,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 62 conjunts are in the unsatisfiable core [2021-07-14 20:45:13,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:45:14,020 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:14,020 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 20:45:14,021 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:14,023 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 20:45:14,023 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:14,036 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:45:14,036 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 20:45:14,036 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 20:45:14,330 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:14,331 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 20:45:14,331 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:14,333 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:14,334 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 20:45:14,334 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:14,336 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:45:14,337 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:14,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 20:45:14,339 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:14,353 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-07-14 20:45:14,354 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 20:45:14,354 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 20:45:14,354 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-14 20:45:14,393 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 9 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:45:14,393 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1161884304] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:45:14,393 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:45:14,393 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 42 [2021-07-14 20:45:14,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137744272] [2021-07-14 20:45:14,393 INFO L462 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-07-14 20:45:14,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:45:14,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-07-14 20:45:14,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1614, Unknown=0, NotChecked=0, Total=1722 [2021-07-14 20:45:14,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:45:14,394 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:45:14,394 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 42 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 42 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:45:14,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:45:14,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:14,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:45:14,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:14,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:45:14,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:45:14,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:14,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:45:14,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:45:14,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:14,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:45:14,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:14,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:14,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:45:14,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:45:14,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:45:14,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:45:14,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:45:14,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:45:14,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:45:14,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:45:14,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:45:14,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:45:14,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:45:14,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:45:14,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 20:45:14,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:45:14,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:45:14,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:45:14,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:45:14,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 20:45:14,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 20:45:14,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:45:14,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:45:14,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:45:16,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:45:16,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:16,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:45:16,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:16,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:45:16,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:45:16,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:16,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:45:16,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:45:16,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:16,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:45:16,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:16,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:16,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:45:16,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:45:16,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:45:16,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:45:16,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:45:16,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:45:16,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:45:16,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:45:16,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:45:16,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:45:16,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:45:16,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:45:16,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 20:45:16,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:45:16,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:45:16,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:45:16,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:45:16,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 20:45:16,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 20:45:16,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:45:16,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:45:16,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 20:45:16,351 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable649,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:45:16,352 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:45:16,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:45:16,352 INFO L82 PathProgramCache]: Analyzing trace with hash -1143142734, now seen corresponding path program 32 times [2021-07-14 20:45:16,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:45:16,352 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378970402] [2021-07-14 20:45:16,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:45:16,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:45:16,865 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:45:16,865 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:45:16,865 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378970402] [2021-07-14 20:45:16,865 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378970402] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:45:16,866 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [983014843] [2021-07-14 20:45:16,866 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:45:16,923 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 20:45:16,923 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:45:16,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 62 conjunts are in the unsatisfiable core [2021-07-14 20:45:16,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:45:17,071 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 16 treesize of output 12 [2021-07-14 20:45:17,072 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:17,073 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 15 treesize of output 11 [2021-07-14 20:45:17,074 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:17,086 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:45:17,087 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 20:45:17,087 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 20:45:17,405 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:17,405 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 20:45:17,406 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:17,408 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 20:45:17,409 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:17,423 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 20:45:17,423 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 20:45:17,423 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:45:17,424 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 20:45:17,460 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:45:17,460 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [983014843] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:45:17,460 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:45:17,460 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 42 [2021-07-14 20:45:17,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933335373] [2021-07-14 20:45:17,461 INFO L462 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-07-14 20:45:17,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:45:17,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-07-14 20:45:17,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1614, Unknown=0, NotChecked=0, Total=1722 [2021-07-14 20:45:17,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:45:17,462 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:45:17,462 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 42 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 42 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:45:17,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:45:17,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:17,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:45:17,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:17,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:45:17,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:45:17,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:17,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:45:17,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:45:17,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:17,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:45:17,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:17,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:17,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:45:17,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:45:17,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:45:17,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:45:17,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:45:17,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:45:17,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:45:17,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:45:17,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:45:17,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:45:17,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:45:17,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:45:17,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 20:45:17,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:45:17,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:45:17,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:45:17,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:45:17,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 20:45:17,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 20:45:17,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:45:17,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:45:17,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 20:45:17,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:45:18,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:45:18,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:18,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:45:18,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:18,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:45:18,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:45:18,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:18,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:45:18,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:45:18,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:18,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:45:18,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:18,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:18,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:45:18,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:45:18,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:45:18,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:45:18,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:45:18,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:45:18,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:45:18,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:45:18,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:45:18,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:45:18,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:45:18,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:45:18,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 20:45:18,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:45:18,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:45:18,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:45:18,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:45:18,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 20:45:18,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 20:45:18,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:45:18,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:45:18,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 20:45:18,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:45:18,970 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable655 [2021-07-14 20:45:18,970 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:45:18,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:45:18,971 INFO L82 PathProgramCache]: Analyzing trace with hash -420134652, now seen corresponding path program 33 times [2021-07-14 20:45:18,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:45:18,971 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347103160] [2021-07-14 20:45:18,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:45:18,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:45:20,222 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:45:20,223 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:45:20,223 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347103160] [2021-07-14 20:45:20,223 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347103160] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:45:20,223 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1225814283] [2021-07-14 20:45:20,223 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 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:45:20,288 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-14 20:45:20,289 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:45:20,291 WARN L261 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 141 conjunts are in the unsatisfiable core [2021-07-14 20:45:20,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:45:22,058 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-07-14 20:45:22,419 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-07-14 20:45:22,840 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-07-14 20:45:23,307 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-07-14 20:45:23,834 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-07-14 20:45:24,448 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-07-14 20:45:25,120 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-07-14 20:45:25,813 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2021-07-14 20:45:25,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,901 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:25,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,913 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:25,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:25,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,923 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:25,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,932 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:25,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,933 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:25,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,938 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:25,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:25,940 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:25,940 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:25,942 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:25,954 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:25,964 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:25,973 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:25,981 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:25,985 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:25,990 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:25,992 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:25,993 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:25,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 36 disjoint index pairs (out of 153 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 115 [2021-07-14 20:45:25,996 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:26,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,002 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:26,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,014 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:26,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,020 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:26,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,024 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:26,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,033 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:26,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,034 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:26,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,039 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:26,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,040 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:26,041 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:26,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 36 disjoint index pairs (out of 153 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 171 treesize of output 117 [2021-07-14 20:45:26,044 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:26,215 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2021-07-14 20:45:26,216 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:45:26,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,222 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:26,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,230 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:26,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,235 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:26,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,242 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:26,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,249 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:26,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,253 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:26,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,255 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:26,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,257 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:26,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,258 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:26,260 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:26,275 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:26,279 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:26,300 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:26,309 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:26,315 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:26,317 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:26,319 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:26,320 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:26,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 36 disjoint index pairs (out of 153 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 115 [2021-07-14 20:45:26,323 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:26,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,328 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:26,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,337 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:26,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,341 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:26,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,347 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:26,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,354 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:26,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,371 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:26,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,373 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:26,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,374 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:26,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:45:26,375 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:26,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 36 disjoint index pairs (out of 153 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 159 treesize of output 107 [2021-07-14 20:45:26,378 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:26,490 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-07-14 20:45:26,490 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:45:26,499 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-07-14 20:45:26,499 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:702, output treesize:402 [2021-07-14 20:45:28,505 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2021-07-14 20:45:29,124 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2021-07-14 20:45:29,877 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 209 [2021-07-14 20:45:30,639 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 209 [2021-07-14 20:45:31,428 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 209 [2021-07-14 20:45:32,231 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 209 [2021-07-14 20:45:33,208 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2021-07-14 20:45:34,011 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 209 [2021-07-14 20:45:34,141 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_250, array_4, v_prenex_252, v_prenex_246, v_prenex_248], 45=[array_0, v_prenex_251, v_prenex_245, v_prenex_247, v_prenex_249]} [2021-07-14 20:45:34,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 75 [2021-07-14 20:45:34,181 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:34,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 77 [2021-07-14 20:45:34,194 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-14 20:45:34,653 WARN L205 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 225 [2021-07-14 20:45:34,653 INFO L628 ElimStorePlain]: treesize reduction 237, result has 73.5 percent of original size [2021-07-14 20:45:34,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 77 [2021-07-14 20:45:34,663 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-07-14 20:45:34,852 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2021-07-14 20:45:34,853 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:45:34,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 72 [2021-07-14 20:45:34,888 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:34,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 70 [2021-07-14 20:45:34,897 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:35,048 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2021-07-14 20:45:35,048 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:45:35,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 77 [2021-07-14 20:45:35,082 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:35,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 79 [2021-07-14 20:45:35,090 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:35,170 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:45:35,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 62 [2021-07-14 20:45:35,178 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:35,239 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:45:35,244 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:35,244 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:35,245 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 20:45:35,245 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:35,249 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:35,250 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 20:45:35,250 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:35,259 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:45:35,318 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:45:35,322 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:35,323 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:35,323 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-07-14 20:45:35,324 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:35,328 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:35,328 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-07-14 20:45:35,329 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:35,388 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:45:35,393 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:35,393 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:35,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-07-14 20:45:35,394 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:35,397 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:35,398 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-07-14 20:45:35,398 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:35,456 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:45:35,457 INFO L518 ElimStorePlain]: Eliminatee v_prenex_247 vanished before elimination [2021-07-14 20:45:35,460 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:35,460 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:35,461 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 20:45:35,461 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:35,464 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:35,465 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 20:45:35,465 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:35,474 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:45:35,528 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:45:35,531 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 10 dim-1 vars, End of recursive call: and 9 xjuncts. [2021-07-14 20:45:35,531 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 15 variables, input treesize:1033, output treesize:70 [2021-07-14 20:45:35,700 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:45:35,700 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1225814283] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:45:35,700 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:45:35,700 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 32] total 63 [2021-07-14 20:45:35,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122260724] [2021-07-14 20:45:35,701 INFO L462 AbstractCegarLoop]: Interpolant automaton has 63 states [2021-07-14 20:45:35,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:45:35,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-07-14 20:45:35,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=3773, Unknown=0, NotChecked=0, Total=3906 [2021-07-14 20:45:35,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:45:35,702 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:45:35,702 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 63 states, 63 states have (on average 1.253968253968254) internal successors, (79), 63 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:45:35,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:45:35,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:35,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:45:35,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:35,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:45:35,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:45:35,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:35,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:45:35,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:45:35,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:35,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:45:35,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:35,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:35,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:45:35,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:45:35,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:45:35,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:45:35,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:45:35,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:45:35,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:45:35,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:45:35,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:45:35,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:45:35,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:45:35,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:45:35,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 20:45:35,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:45:35,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:45:35,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:45:35,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:45:35,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 20:45:35,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 20:45:35,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:45:35,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:45:35,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 20:45:35,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:45:35,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:45:37,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:45:37,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:37,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:45:37,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:37,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:45:37,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:45:37,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:37,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:45:37,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:45:37,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:37,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:45:37,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:37,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:37,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:45:37,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:45:37,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:45:37,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:45:37,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:45:37,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:45:37,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:45:37,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:45:37,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:45:37,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:45:37,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:45:37,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:45:37,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 20:45:37,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:45:37,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:45:37,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:45:37,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:45:37,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 20:45:37,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 20:45:37,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:45:37,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:45:37,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 20:45:37,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:45:37,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:38,092 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable658 [2021-07-14 20:45:38,093 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:45:38,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:45:38,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1161848326, now seen corresponding path program 34 times [2021-07-14 20:45:38,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:45:38,093 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126754857] [2021-07-14 20:45:38,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:45:38,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:45:38,813 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:45:38,814 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:45:38,814 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126754857] [2021-07-14 20:45:38,814 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126754857] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:45:38,814 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929510067] [2021-07-14 20:45:38,814 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 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:45:38,868 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 20:45:38,869 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:45:38,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 95 conjunts are in the unsatisfiable core [2021-07-14 20:45:38,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:45:39,460 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:39,461 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:39,461 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-14 20:45:39,462 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:39,465 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:39,465 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:39,465 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 20:45:39,466 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:39,469 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:39,469 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2021-07-14 20:45:39,470 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:39,524 INFO L628 ElimStorePlain]: treesize reduction 34, result has 63.8 percent of original size [2021-07-14 20:45:39,526 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-07-14 20:45:39,526 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:115, output treesize:60 [2021-07-14 20:45:40,852 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-07-14 20:45:41,109 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-07-14 20:45:41,390 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-07-14 20:45:41,446 INFO L446 ElimStorePlain]: Different costs {0=[array_4, v_prenex_259], 9=[array_0, v_prenex_258]} [2021-07-14 20:45:41,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 59 [2021-07-14 20:45:41,476 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:41,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 61 [2021-07-14 20:45:41,482 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-14 20:45:41,561 INFO L628 ElimStorePlain]: treesize reduction 118, result has 50.4 percent of original size [2021-07-14 20:45:41,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 46 [2021-07-14 20:45:41,567 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:41,584 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:45:41,586 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:41,586 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:41,587 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 20:45:41,587 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:41,589 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:41,590 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 20:45:41,590 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:41,597 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:45:41,612 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:45:41,612 INFO L518 ElimStorePlain]: Eliminatee v_prenex_258 vanished before elimination [2021-07-14 20:45:41,613 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 20:45:41,613 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:346, output treesize:18 [2021-07-14 20:45:41,680 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:45:41,680 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929510067] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:45:41,680 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:45:41,680 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 34] total 58 [2021-07-14 20:45:41,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431105747] [2021-07-14 20:45:41,680 INFO L462 AbstractCegarLoop]: Interpolant automaton has 58 states [2021-07-14 20:45:41,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:45:41,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-07-14 20:45:41,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=3150, Unknown=0, NotChecked=0, Total=3306 [2021-07-14 20:45:41,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:45:41,681 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:45:41,682 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 58 states, 58 states have (on average 1.2586206896551724) internal successors, (73), 58 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:45:41,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:45:41,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:41,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:45:41,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:41,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:45:41,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:45:41,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:41,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:45:41,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:45:41,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:41,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:45:41,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:41,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:41,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:45:41,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:45:41,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:45:41,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:45:41,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:45:41,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:45:41,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:45:41,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:45:41,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:45:41,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:45:41,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:45:41,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:45:41,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 20:45:41,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:45:41,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:45:41,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:45:41,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:45:41,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 20:45:41,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 20:45:41,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:45:41,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:45:41,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 20:45:41,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:45:41,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:41,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:45:45,093 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 70 [2021-07-14 20:45:45,555 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 76 [2021-07-14 20:45:45,864 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 81 [2021-07-14 20:45:46,201 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 86 [2021-07-14 20:45:46,542 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 90 [2021-07-14 20:45:46,925 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 96 [2021-07-14 20:45:47,309 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 101 [2021-07-14 20:45:47,730 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 106 [2021-07-14 20:45:48,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:45:48,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:48,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:45:48,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:48,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:45:48,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:45:48,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:48,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:45:48,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:45:48,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:48,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:45:48,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:48,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:48,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:45:48,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:45:48,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:45:48,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:45:48,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:45:48,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:45:48,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:45:48,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:45:48,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:45:48,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:45:48,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:45:48,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:45:48,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 20:45:48,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:45:48,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:45:48,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:45:48,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:45:48,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 20:45:48,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 20:45:48,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:45:48,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:45:48,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 20:45:48,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:45:48,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:48,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 20:45:48,275 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable746,39 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:45:48,276 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:45:48,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:45:48,276 INFO L82 PathProgramCache]: Analyzing trace with hash -1000008004, now seen corresponding path program 35 times [2021-07-14 20:45:48,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:45:48,276 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704688113] [2021-07-14 20:45:48,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:45:48,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:45:48,875 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 10 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:45:48,875 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:45:48,875 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704688113] [2021-07-14 20:45:48,875 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704688113] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:45:48,875 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [172318924] [2021-07-14 20:45:48,875 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 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:45:48,958 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-14 20:45:48,958 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:45:48,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 68 conjunts are in the unsatisfiable core [2021-07-14 20:45:48,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:45:49,104 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:49,104 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 20:45:49,105 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:49,107 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 20:45:49,107 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:49,120 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:45:49,120 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 20:45:49,120 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 20:45:49,469 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:49,469 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 20:45:49,470 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:49,472 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:45:49,473 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 20:45:49,473 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:49,475 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:45:49,475 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:49,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 20:45:49,478 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:45:49,493 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-07-14 20:45:49,493 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 20:45:49,493 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 20:45:49,493 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-14 20:45:49,535 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 10 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:45:49,535 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [172318924] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:45:49,535 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:45:49,535 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 46 [2021-07-14 20:45:49,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967471569] [2021-07-14 20:45:49,535 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-07-14 20:45:49,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:45:49,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-07-14 20:45:49,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=1951, Unknown=0, NotChecked=0, Total=2070 [2021-07-14 20:45:49,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:45:49,536 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:45:49,536 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 1.2608695652173914) internal successors, (58), 46 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:45:49,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:45:49,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:49,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:45:49,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:49,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:45:49,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:45:49,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:49,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:45:49,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:45:49,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:49,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:45:49,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:49,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:49,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:45:49,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:45:49,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:45:49,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:45:49,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:45:49,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:45:49,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:45:49,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:45:49,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:45:49,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:45:49,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:45:49,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:45:49,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 20:45:49,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:45:49,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:45:49,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:45:49,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:45:49,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 20:45:49,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 20:45:49,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:45:49,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:45:49,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 20:45:49,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:45:49,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:49,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 20:45:49,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:45:52,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:45:52,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:52,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:45:52,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:52,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:45:52,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:45:52,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:52,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:45:52,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:45:52,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:52,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:45:52,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:52,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:45:52,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:45:52,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:45:52,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:45:52,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:45:52,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:45:52,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:45:52,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:45:52,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:45:52,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:45:52,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:45:52,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:45:52,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:45:52,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 20:45:52,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:45:52,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:45:52,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:45:52,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:45:52,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 20:45:52,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 20:45:52,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:45:52,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:45:52,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 20:45:52,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:45:52,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:45:52,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 20:45:52,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 20:45:52,821 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable792,40 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:45:52,821 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:45:52,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:45:52,821 INFO L82 PathProgramCache]: Analyzing trace with hash 1342914824, now seen corresponding path program 36 times [2021-07-14 20:45:52,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:45:52,821 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955177601] [2021-07-14 20:45:52,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:45:52,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:45:54,093 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:45:54,093 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:45:54,093 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955177601] [2021-07-14 20:45:54,093 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955177601] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:45:54,093 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1327788806] [2021-07-14 20:45:54,093 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 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:45:54,160 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-14 20:45:54,160 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:45:54,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 132 conjunts are in the unsatisfiable core [2021-07-14 20:45:54,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:45:56,013 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2021-07-14 20:45:56,673 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2021-07-14 20:45:57,516 WARN L205 SmtUtils]: Spent 567.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2021-07-14 20:45:58,462 WARN L205 SmtUtils]: Spent 644.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2021-07-14 20:45:59,443 WARN L205 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 327 [2021-07-14 20:46:00,673 WARN L205 SmtUtils]: Spent 884.00 ms on a formula simplification that was a NOOP. DAG size: 331 [2021-07-14 20:46:01,830 WARN L205 SmtUtils]: Spent 903.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2021-07-14 20:46:03,229 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 339 [2021-07-14 20:46:04,784 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 205 [2021-07-14 20:46:06,630 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 347 [2021-07-14 20:46:06,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,903 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:06,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,914 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:06,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,924 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:06,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,927 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:06,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,936 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:06,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,944 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:06,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,950 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:06,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,956 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:06,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:06,957 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:06,958 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:06,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 45 disjoint index pairs (out of 190 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 127 [2021-07-14 20:46:06,961 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:07,278 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 411 [2021-07-14 20:46:07,278 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:46:07,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,294 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:07,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,300 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:07,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,319 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:07,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,321 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:07,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,330 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:07,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,333 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:07,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,337 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:07,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,342 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:07,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,345 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:07,346 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:07,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 45 disjoint index pairs (out of 190 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 127 [2021-07-14 20:46:07,349 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:07,625 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2021-07-14 20:46:07,625 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:46:07,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,636 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:07,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,644 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:07,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,659 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:07,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,666 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:07,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,670 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:07,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,678 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:07,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,684 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:07,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,689 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:07,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,690 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:07,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,691 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:07,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 45 disjoint index pairs (out of 190 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 119 [2021-07-14 20:46:07,694 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:07,942 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 349 [2021-07-14 20:46:07,943 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:46:07,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,955 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:07,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,967 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:07,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,971 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:07,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,980 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:07,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,983 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:07,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,993 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:07,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:07,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,000 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:08,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,001 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:08,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,004 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:08,005 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:08,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 45 disjoint index pairs (out of 190 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 119 [2021-07-14 20:46:08,008 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:08,228 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2021-07-14 20:46:08,229 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:46:08,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,240 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:08,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,248 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:08,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,262 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:08,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,265 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:08,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,275 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:08,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,279 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:08,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,282 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:08,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,285 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:08,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,286 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:08,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,288 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:08,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 45 disjoint index pairs (out of 190 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 135 [2021-07-14 20:46:08,293 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:08,538 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2021-07-14 20:46:08,538 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:46:08,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,553 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:08,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,558 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:08,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,571 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:08,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,573 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:08,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,585 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:08,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,587 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:08,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,592 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:08,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,596 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:08,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:46:08,599 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:08,599 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:08,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 45 disjoint index pairs (out of 190 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 127 [2021-07-14 20:46:08,602 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:08,805 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 266 [2021-07-14 20:46:08,806 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:46:08,820 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: 6 dim-0 vars, and 6 xjuncts. [2021-07-14 20:46:08,820 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 12 variables, input treesize:1177, output treesize:733 [2021-07-14 20:46:09,362 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 234 [2021-07-14 20:46:11,204 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 238 [2021-07-14 20:46:11,756 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 301 [2021-07-14 20:46:12,323 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 301 [2021-07-14 20:46:12,954 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 301 [2021-07-14 20:46:13,527 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 301 [2021-07-14 20:46:14,120 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 301 [2021-07-14 20:46:14,714 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 301 [2021-07-14 20:46:15,326 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 301 [2021-07-14 20:46:15,949 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 301 [2021-07-14 20:46:16,579 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 301 [2021-07-14 20:46:16,761 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_306, array_4, v_prenex_296, v_prenex_298, v_prenex_300, v_prenex_302, v_prenex_304], 55=[v_prenex_305, array_0, v_prenex_295, v_prenex_297, v_prenex_299, v_prenex_301, v_prenex_303]} [2021-07-14 20:46:16,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 84 [2021-07-14 20:46:16,818 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:16,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 86 [2021-07-14 20:46:16,833 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:17,583 WARN L205 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 342 [2021-07-14 20:46:17,583 INFO L628 ElimStorePlain]: treesize reduction 492, result has 65.3 percent of original size [2021-07-14 20:46:17,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 84 [2021-07-14 20:46:17,596 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-07-14 20:46:17,880 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 306 [2021-07-14 20:46:17,880 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:46:17,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 69 [2021-07-14 20:46:17,894 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:18,144 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-07-14 20:46:18,144 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:46:18,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 84 [2021-07-14 20:46:18,191 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:18,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 86 [2021-07-14 20:46:18,202 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:18,386 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2021-07-14 20:46:18,387 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:46:18,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 69 [2021-07-14 20:46:18,398 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:18,558 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-07-14 20:46:18,559 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:46:18,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 84 [2021-07-14 20:46:18,569 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2021-07-14 20:46:18,713 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2021-07-14 20:46:18,713 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:46:18,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 86 [2021-07-14 20:46:18,757 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:18,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 84 [2021-07-14 20:46:18,766 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:18,852 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:46:18,858 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:18,858 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-07-14 20:46:18,859 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:18,955 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:46:18,961 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:18,961 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:18,962 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 20:46:18,963 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:18,968 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:18,968 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 20:46:18,969 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:18,978 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:46:19,058 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:46:19,058 INFO L518 ElimStorePlain]: Eliminatee v_prenex_295 vanished before elimination [2021-07-14 20:46:19,063 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:19,064 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:19,064 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-07-14 20:46:19,065 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:19,070 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:19,070 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-07-14 20:46:19,071 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:19,148 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:46:19,149 INFO L518 ElimStorePlain]: Eliminatee v_prenex_299 vanished before elimination [2021-07-14 20:46:19,154 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:19,154 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:19,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 20:46:19,155 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:19,159 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:19,159 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 20:46:19,160 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:19,169 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:46:19,245 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:46:19,249 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:19,249 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:19,250 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-07-14 20:46:19,250 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:19,254 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:19,255 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-07-14 20:46:19,255 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:19,327 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:46:19,341 INFO L550 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 14 dim-1 vars, End of recursive call: and 11 xjuncts. [2021-07-14 20:46:19,341 INFO L247 ElimStorePlain]: Needed 20 recursive calls to eliminate 21 variables, input treesize:1595, output treesize:99 [2021-07-14 20:46:19,559 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:46:19,559 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1327788806] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:46:19,560 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:46:19,560 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 36] total 71 [2021-07-14 20:46:19,560 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174423808] [2021-07-14 20:46:19,560 INFO L462 AbstractCegarLoop]: Interpolant automaton has 71 states [2021-07-14 20:46:19,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:46:19,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2021-07-14 20:46:19,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=4787, Unknown=0, NotChecked=0, Total=4970 [2021-07-14 20:46:19,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:46:19,561 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:46:19,561 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 71 states, 71 states have (on average 1.1971830985915493) internal successors, (85), 71 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:46:19,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:46:19,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:19,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:46:19,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:19,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:46:19,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:46:19,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:19,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:46:19,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:46:19,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:19,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:46:19,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:19,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:19,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:46:19,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:46:19,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:46:19,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:46:19,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:46:19,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:46:19,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:46:19,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:46:19,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:46:19,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:46:19,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:46:19,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:46:19,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 20:46:19,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:46:19,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:46:19,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:46:19,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:46:19,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 20:46:19,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 20:46:19,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:46:19,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:46:19,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 20:46:19,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:46:19,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:19,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-14 20:46:19,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 20:46:19,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:46:21,301 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2021-07-14 20:46:21,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:46:21,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:21,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:46:21,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:21,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:46:21,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:46:21,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:21,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:46:21,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:46:21,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:21,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:46:21,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:21,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:21,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:46:21,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:46:21,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:46:21,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:46:21,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:46:21,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:46:21,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:46:21,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:46:21,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:46:21,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:46:21,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:46:21,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:46:21,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 20:46:21,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:46:21,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:46:21,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:46:21,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:46:21,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 20:46:21,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 20:46:21,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:46:21,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:46:21,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 20:46:21,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:46:21,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:21,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 20:46:21,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 20:46:21,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:46:21,831 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable798,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:46:21,831 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:46:21,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:46:21,832 INFO L82 PathProgramCache]: Analyzing trace with hash -1737376686, now seen corresponding path program 37 times [2021-07-14 20:46:21,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:46:21,832 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933277260] [2021-07-14 20:46:21,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:46:21,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:46:22,666 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:46:22,666 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:46:22,666 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933277260] [2021-07-14 20:46:22,666 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933277260] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:46:22,666 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136479786] [2021-07-14 20:46:22,666 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 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:46:22,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:46:22,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 103 conjunts are in the unsatisfiable core [2021-07-14 20:46:22,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:46:22,944 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 15 treesize of output 11 [2021-07-14 20:46:22,945 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:22,953 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 17 treesize of output 13 [2021-07-14 20:46:22,953 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:22,961 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:46:22,961 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 20:46:22,961 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:39, output treesize:25 [2021-07-14 20:46:23,879 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:23,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 64 [2021-07-14 20:46:23,915 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:23,926 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:23,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 56 [2021-07-14 20:46:23,953 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:23,962 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:23,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 66 [2021-07-14 20:46:23,990 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-07-14 20:46:23,993 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 20:46:23,994 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:24,036 INFO L628 ElimStorePlain]: treesize reduction 32, result has 65.2 percent of original size [2021-07-14 20:46:24,039 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:24,039 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 20:46:24,040 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:24,042 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 20:46:24,043 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:24,050 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:46:24,068 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:46:24,069 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 20:46:24,069 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:377, output treesize:38 [2021-07-14 20:46:24,197 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:46:24,197 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [136479786] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:46:24,197 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:46:24,197 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 37] total 51 [2021-07-14 20:46:24,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053927986] [2021-07-14 20:46:24,198 INFO L462 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-07-14 20:46:24,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:46:24,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-07-14 20:46:24,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=2417, Unknown=0, NotChecked=0, Total=2550 [2021-07-14 20:46:24,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:46:24,199 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:46:24,199 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 1.2745098039215685) internal successors, (65), 51 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:46:24,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:46:24,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:24,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:46:24,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:24,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:46:24,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:46:24,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:24,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:46:24,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:46:24,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:24,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:46:24,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:24,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:24,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:46:24,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:46:24,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:46:24,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:46:24,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:46:24,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:46:24,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:46:24,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:46:24,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:46:24,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:46:24,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:46:24,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:46:24,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 20:46:24,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:46:24,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:46:24,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:46:24,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:46:24,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 20:46:24,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 20:46:24,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:46:24,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:46:24,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 20:46:24,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:46:24,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:24,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-14 20:46:24,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 20:46:24,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:46:24,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:46:28,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:46:28,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:28,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:46:28,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:28,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:46:28,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:46:28,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:28,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:46:28,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:46:28,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:28,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:46:28,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:28,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:28,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:46:28,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:46:28,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:46:28,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:46:28,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:46:28,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:46:28,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:46:28,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:46:28,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:46:28,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:46:28,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:46:28,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:46:28,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 20:46:28,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:46:28,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:46:28,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:46:28,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:46:28,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 20:46:28,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 20:46:28,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:46:28,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:46:28,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 20:46:28,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:46:28,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:28,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 20:46:28,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 20:46:28,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:46:28,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 20:46:28,217 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable865 [2021-07-14 20:46:28,218 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:46:28,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:46:28,218 INFO L82 PathProgramCache]: Analyzing trace with hash -1661517980, now seen corresponding path program 38 times [2021-07-14 20:46:28,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:46:28,218 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678260688] [2021-07-14 20:46:28,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:46:28,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:46:28,888 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 11 proven. 176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:46:28,888 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:46:28,888 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678260688] [2021-07-14 20:46:28,888 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678260688] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:46:28,888 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1106735371] [2021-07-14 20:46:28,888 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 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:46:28,948 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 20:46:28,948 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:46:28,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 74 conjunts are in the unsatisfiable core [2021-07-14 20:46:28,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:46:29,138 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:29,139 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 20:46:29,140 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:29,141 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 20:46:29,142 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:29,155 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:46:29,155 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 20:46:29,156 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 20:46:29,581 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:29,581 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 20:46:29,582 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:29,583 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 8 treesize of output 6 [2021-07-14 20:46:29,584 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:29,586 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:29,587 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 20:46:29,588 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:29,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 20:46:29,590 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:29,607 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-07-14 20:46:29,607 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 20:46:29,607 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 20:46:29,607 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-14 20:46:29,652 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 11 proven. 176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:46:29,652 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1106735371] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:46:29,652 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:46:29,653 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 50 [2021-07-14 20:46:29,653 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688355925] [2021-07-14 20:46:29,653 INFO L462 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-07-14 20:46:29,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:46:29,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-07-14 20:46:29,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=2320, Unknown=0, NotChecked=0, Total=2450 [2021-07-14 20:46:29,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:46:29,654 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:46:29,654 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 50 states, 50 states have (on average 1.24) internal successors, (62), 50 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:46:29,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:46:29,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:29,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:46:29,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:29,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:46:29,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:46:29,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:29,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:46:29,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:46:29,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:29,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:46:29,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:29,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:29,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:46:29,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:46:29,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:46:29,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:46:29,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:46:29,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:46:29,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:46:29,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:46:29,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:46:29,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:46:29,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:46:29,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:46:29,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 20:46:29,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:46:29,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:46:29,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:46:29,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:46:29,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 20:46:29,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 20:46:29,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:46:29,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:46:29,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 20:46:29,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:46:29,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:29,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-14 20:46:29,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 20:46:29,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:46:29,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 20:46:29,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:46:32,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:46:32,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:32,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:46:32,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:32,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:46:32,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:46:32,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:32,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:46:32,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:46:32,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:32,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:46:32,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:32,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:32,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:46:32,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:46:32,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:46:32,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:46:32,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:46:32,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:46:32,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:46:32,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:46:32,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:46:32,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:46:32,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:46:32,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:46:32,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 20:46:32,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:46:32,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:46:32,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:46:32,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:46:32,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 20:46:32,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 20:46:32,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:46:32,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:46:32,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 20:46:32,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:46:32,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:32,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 20:46:32,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 20:46:32,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:46:32,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-14 20:46:32,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:46:32,470 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable883 [2021-07-14 20:46:32,470 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:46:32,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:46:32,470 INFO L82 PathProgramCache]: Analyzing trace with hash -1546544188, now seen corresponding path program 39 times [2021-07-14 20:46:32,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:46:32,471 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420917931] [2021-07-14 20:46:32,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:46:32,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:46:33,164 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 177 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:46:33,165 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:46:33,165 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420917931] [2021-07-14 20:46:33,165 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420917931] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:46:33,165 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1942341690] [2021-07-14 20:46:33,165 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 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:46:33,238 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-14 20:46:33,238 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:46:33,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 70 conjunts are in the unsatisfiable core [2021-07-14 20:46:33,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:46:33,472 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 16 treesize of output 12 [2021-07-14 20:46:33,473 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:33,475 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 15 treesize of output 11 [2021-07-14 20:46:33,475 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:33,488 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:46:33,489 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 20:46:33,489 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 20:46:33,904 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:33,904 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 20:46:33,905 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:33,906 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 20:46:33,907 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:33,922 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 20:46:33,922 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 20:46:33,923 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:46:33,923 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 20:46:33,965 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 177 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:46:33,965 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1942341690] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:46:33,965 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:46:33,965 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36] total 48 [2021-07-14 20:46:33,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925128741] [2021-07-14 20:46:33,965 INFO L462 AbstractCegarLoop]: Interpolant automaton has 48 states [2021-07-14 20:46:33,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:46:33,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-07-14 20:46:33,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=2133, Unknown=0, NotChecked=0, Total=2256 [2021-07-14 20:46:33,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:46:33,966 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:46:33,966 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 48 states, 48 states have (on average 1.25) internal successors, (60), 48 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:46:33,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:46:33,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:33,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:46:33,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:33,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:46:33,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:46:33,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:33,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:46:33,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:46:33,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:33,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:46:33,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:33,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:33,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:46:33,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:46:33,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:46:33,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:46:33,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:46:33,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:46:33,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:46:33,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:46:33,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:46:33,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:46:33,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:46:33,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:46:33,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 20:46:33,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:46:33,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:46:33,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:46:33,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:46:33,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 20:46:33,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 20:46:33,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:46:33,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:46:33,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 20:46:33,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:46:33,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:33,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 20:46:33,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 20:46:33,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:46:33,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-07-14 20:46:33,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:46:33,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:46:36,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:46:36,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:36,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:46:36,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:36,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:46:36,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:46:36,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:36,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:46:36,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:46:36,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:36,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:46:36,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:36,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:36,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:46:36,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:46:36,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:46:36,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:46:36,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:46:36,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:46:36,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:46:36,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:46:36,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:46:36,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:46:36,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:46:36,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:46:36,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 20:46:36,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:46:36,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:46:36,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:46:36,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:46:36,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 20:46:36,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 20:46:36,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:46:36,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:46:36,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 20:46:36,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:46:36,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:36,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 20:46:36,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 20:46:36,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:46:36,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-14 20:46:36,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:46:36,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 20:46:36,290 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable889,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:46:36,290 INFO L430 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:46:36,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:46:36,291 INFO L82 PathProgramCache]: Analyzing trace with hash -40677838, now seen corresponding path program 40 times [2021-07-14 20:46:36,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:46:36,291 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866474707] [2021-07-14 20:46:36,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:46:36,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:46:37,016 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:46:37,016 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:46:37,016 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866474707] [2021-07-14 20:46:37,016 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866474707] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:46:37,016 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [725111295] [2021-07-14 20:46:37,016 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 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:46:37,116 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 20:46:37,116 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:46:37,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 74 conjunts are in the unsatisfiable core [2021-07-14 20:46:37,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:46:37,306 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 15 treesize of output 11 [2021-07-14 20:46:37,307 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:37,308 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 16 treesize of output 12 [2021-07-14 20:46:37,309 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:37,322 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:46:37,322 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 20:46:37,322 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 20:46:37,761 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:46:37,762 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 20:46:37,762 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:37,764 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 20:46:37,765 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:46:37,780 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 20:46:37,780 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 20:46:37,780 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:46:37,780 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 20:46:37,823 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:46:37,823 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [725111295] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:46:37,823 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:46:37,823 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 50 [2021-07-14 20:46:37,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024436476] [2021-07-14 20:46:37,824 INFO L462 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-07-14 20:46:37,824 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:46:37,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-07-14 20:46:37,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=2320, Unknown=0, NotChecked=0, Total=2450 [2021-07-14 20:46:37,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:46:37,824 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:46:37,825 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 50 states, 50 states have (on average 1.24) internal successors, (62), 50 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:46:37,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:46:37,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:37,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:46:37,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:37,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:46:37,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:46:37,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:37,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:46:37,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:46:37,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:37,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:46:37,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:37,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:37,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:46:37,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:46:37,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:46:37,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:46:37,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:46:37,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:46:37,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:46:37,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:46:37,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:46:37,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:46:37,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:46:37,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:46:37,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 20:46:37,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:46:37,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:46:37,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:46:37,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:46:37,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 20:46:37,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 20:46:37,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:46:37,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:46:37,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 20:46:37,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:46:37,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:37,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 20:46:37,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 20:46:37,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:46:37,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-07-14 20:46:37,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:46:37,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 20:46:37,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:46:39,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:46:39,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:39,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:46:39,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:39,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:46:39,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:46:39,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:39,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:46:39,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:46:39,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:39,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:46:39,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:39,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:46:39,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:46:39,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:46:39,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:46:39,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:46:39,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:46:39,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:46:39,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:46:39,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:46:39,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:46:39,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:46:39,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:46:39,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:46:39,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 20:46:39,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:46:39,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:46:39,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:46:39,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:46:39,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 20:46:39,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 20:46:39,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:46:39,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:46:39,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 20:46:39,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:46:39,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:46:39,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 20:46:39,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 20:46:39,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:46:39,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-14 20:46:39,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:46:39,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 20:46:39,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:46:40,199 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable892 [2021-07-14 20:46:40,199 INFO L430 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:46:40,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:46:40,199 INFO L82 PathProgramCache]: Analyzing trace with hash -603461244, now seen corresponding path program 41 times [2021-07-14 20:46:40,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:46:40,199 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215866011] [2021-07-14 20:46:40,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:46:40,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:46:41,901 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:46:41,902 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:46:41,902 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215866011] [2021-07-14 20:46:41,902 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215866011] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:46:41,902 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1199560476] [2021-07-14 20:46:41,902 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 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:46:41,977 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-07-14 20:46:41,977 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:46:41,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 143 conjunts are in the unsatisfiable core [2021-07-14 20:46:41,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:46:44,304 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2021-07-14 20:46:45,346 WARN L205 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 187 [2021-07-14 20:46:47,067 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 337 DAG size of output: 288 [2021-07-14 20:46:48,327 WARN L205 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 292 [2021-07-14 20:46:49,739 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 345 DAG size of output: 296 [2021-07-14 20:46:51,627 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 206 DAG size of output: 203 [2021-07-14 20:46:53,612 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2021-07-14 20:46:55,861 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 357 DAG size of output: 308 [2021-07-14 20:46:58,307 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 361 DAG size of output: 312 [2021-07-14 20:47:01,064 WARN L205 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 365 DAG size of output: 316 [2021-07-14 20:47:03,996 WARN L205 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 226 DAG size of output: 223 [2021-07-14 20:47:04,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,154 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,167 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,174 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,178 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,186 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,192 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,195 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,204 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,207 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,211 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,211 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,226 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,242 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,254 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,258 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,271 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,280 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,285 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,295 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,298 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,302 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,302 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,302 INFO L244 Elim1Store]: Index analysis took 162 ms [2021-07-14 20:47:04,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 55 disjoint index pairs (out of 231 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 205 treesize of output 139 [2021-07-14 20:47:04,306 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:47:04,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,327 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,340 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,347 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,351 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,359 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,365 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,368 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,376 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,380 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,384 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,384 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 55 disjoint index pairs (out of 231 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 131 [2021-07-14 20:47:04,387 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:47:04,823 WARN L205 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2021-07-14 20:47:04,823 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:47:04,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,833 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,843 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,856 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,861 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,869 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,876 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,885 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,888 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,894 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,895 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,895 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,898 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,914 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,936 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,943 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,950 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,961 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,971 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,974 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,980 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,981 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,982 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,982 INFO L244 Elim1Store]: Index analysis took 151 ms [2021-07-14 20:47:04,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 55 disjoint index pairs (out of 231 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 205 treesize of output 139 [2021-07-14 20:47:04,985 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:47:04,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,995 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:04,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:04,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,006 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:05,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,018 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:05,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,023 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:05,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,030 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:05,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,038 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:05,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,048 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:05,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,051 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:05,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,058 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:05,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,059 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:05,059 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:05,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 55 disjoint index pairs (out of 231 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 131 [2021-07-14 20:47:05,062 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:47:05,383 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2021-07-14 20:47:05,384 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:47:05,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,396 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:05,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,408 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:05,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,419 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:05,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,427 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:05,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,432 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:05,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,444 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:05,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,456 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:05,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,459 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:05,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,467 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:05,467 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:05,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,468 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:05,477 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:05,490 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:05,506 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:05,517 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:05,522 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:05,538 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:05,542 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:05,545 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:05,552 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:05,554 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:05,555 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:05,556 INFO L244 Elim1Store]: Index analysis took 164 ms [2021-07-14 20:47:05,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 55 disjoint index pairs (out of 231 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 207 treesize of output 141 [2021-07-14 20:47:05,559 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 20:47:05,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,570 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:05,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,582 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:05,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,591 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:05,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,600 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:05,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,604 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:05,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,615 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:05,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,618 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:05,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,621 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:05,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,628 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:05,628 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:05,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 20:47:05,629 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:05,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 55 disjoint index pairs (out of 231 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 205 treesize of output 139 [2021-07-14 20:47:05,632 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 20:47:05,870 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2021-07-14 20:47:05,870 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:47:05,882 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 6 dim-0 vars, and 6 xjuncts. [2021-07-14 20:47:05,883 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:1260, output treesize:694 [2021-07-14 20:47:06,553 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 240 [2021-07-14 20:47:08,257 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2021-07-14 20:47:08,829 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2021-07-14 20:47:09,400 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2021-07-14 20:47:10,011 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2021-07-14 20:47:10,609 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2021-07-14 20:47:11,218 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2021-07-14 20:47:11,842 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2021-07-14 20:47:12,500 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2021-07-14 20:47:13,141 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2021-07-14 20:47:13,795 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2021-07-14 20:47:14,448 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2021-07-14 20:47:14,604 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_338, array_4, v_prenex_340, v_prenex_342, v_prenex_344, v_prenex_336], 66=[v_prenex_339, array_0, v_prenex_341, v_prenex_343, v_prenex_335, v_prenex_337]} [2021-07-14 20:47:14,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 93 [2021-07-14 20:47:14,668 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:47:14,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 91 [2021-07-14 20:47:14,684 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:47:15,357 WARN L205 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 309 [2021-07-14 20:47:15,358 INFO L628 ElimStorePlain]: treesize reduction 493, result has 60.6 percent of original size [2021-07-14 20:47:15,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 91 [2021-07-14 20:47:15,370 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-07-14 20:47:15,581 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2021-07-14 20:47:15,581 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:47:15,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 76 [2021-07-14 20:47:15,593 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:47:15,782 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-07-14 20:47:15,782 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:47:15,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 91 [2021-07-14 20:47:15,794 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2021-07-14 20:47:15,977 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2021-07-14 20:47:15,977 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:47:15,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 76 [2021-07-14 20:47:15,988 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 20:47:16,136 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2021-07-14 20:47:16,136 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:47:16,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 86 [2021-07-14 20:47:16,195 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 20:47:16,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 84 [2021-07-14 20:47:16,207 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 20:47:16,292 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:47:16,292 INFO L518 ElimStorePlain]: Eliminatee v_prenex_339 vanished before elimination [2021-07-14 20:47:16,298 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:16,299 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:16,299 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 20:47:16,300 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 20:47:16,306 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:16,306 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 20:47:16,307 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 20:47:16,316 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:47:16,394 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:47:16,399 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:16,400 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:16,400 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 20:47:16,401 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 20:47:16,405 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:16,406 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 20:47:16,406 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 20:47:16,415 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:47:16,486 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:47:16,486 INFO L518 ElimStorePlain]: Eliminatee v_prenex_343 vanished before elimination [2021-07-14 20:47:16,491 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:16,491 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:16,492 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-07-14 20:47:16,492 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 20:47:16,497 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:16,497 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-07-14 20:47:16,498 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 20:47:16,565 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:47:16,569 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:16,569 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:16,570 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-07-14 20:47:16,570 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 20:47:16,574 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:16,574 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-07-14 20:47:16,575 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-14 20:47:16,636 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:47:16,640 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 12 dim-1 vars, End of recursive call: and 10 xjuncts. [2021-07-14 20:47:16,640 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 18 variables, input treesize:1443, output treesize:73 [2021-07-14 20:47:16,815 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:47:16,815 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1199560476] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:47:16,815 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:47:16,815 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 39] total 76 [2021-07-14 20:47:16,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146627865] [2021-07-14 20:47:16,815 INFO L462 AbstractCegarLoop]: Interpolant automaton has 76 states [2021-07-14 20:47:16,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:47:16,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2021-07-14 20:47:16,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=5516, Unknown=0, NotChecked=0, Total=5700 [2021-07-14 20:47:16,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:47:16,817 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:47:16,817 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 76 states, 76 states have (on average 1.1973684210526316) internal successors, (91), 76 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:47:16,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:47:16,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:47:16,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:47:16,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:47:16,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:47:16,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:47:16,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:47:16,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:47:16,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:47:16,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:47:16,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:47:16,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:47:16,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:47:16,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:47:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:47:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:47:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:47:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:47:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:47:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:47:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:47:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:47:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:47:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:47:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:47:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 20:47:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:47:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:47:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:47:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:47:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 20:47:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 20:47:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:47:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:47:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 20:47:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:47:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:47:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 20:47:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 20:47:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:47:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-07-14 20:47:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:47:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 20:47:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:47:16,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:47:19,241 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 89 [2021-07-14 20:47:19,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:47:19,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:47:19,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:47:19,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:47:19,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:47:19,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:47:19,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:47:19,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:47:19,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:47:19,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:47:19,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:47:19,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:47:19,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:47:19,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:47:19,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:47:19,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:47:19,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:47:19,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:47:19,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:47:19,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:47:19,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:47:19,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:47:19,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:47:19,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:47:19,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:47:19,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 20:47:19,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:47:19,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:47:19,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:47:19,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:47:19,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 20:47:19,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 20:47:19,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:47:19,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:47:19,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 20:47:19,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:47:19,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:47:19,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 20:47:19,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 20:47:19,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:47:19,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-14 20:47:19,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:47:19,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 20:47:19,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:47:19,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:47:19,938 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable895 [2021-07-14 20:47:19,939 INFO L430 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:47:19,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:47:19,939 INFO L82 PathProgramCache]: Analyzing trace with hash 703410682, now seen corresponding path program 42 times [2021-07-14 20:47:19,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:47:19,939 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659938113] [2021-07-14 20:47:19,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:47:19,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:47:21,130 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:47:21,130 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:47:21,130 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659938113] [2021-07-14 20:47:21,130 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659938113] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:47:21,130 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352051134] [2021-07-14 20:47:21,131 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 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:47:21,215 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-14 20:47:21,215 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:47:21,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 116 conjunts are in the unsatisfiable core [2021-07-14 20:47:21,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:47:21,423 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:21,423 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-14 20:47:21,424 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:47:21,426 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:21,427 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2021-07-14 20:47:21,427 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:47:21,430 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 20:47:21,430 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:47:21,468 INFO L628 ElimStorePlain]: treesize reduction 28, result has 63.2 percent of original size [2021-07-14 20:47:21,468 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 20:47:21,468 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:97, output treesize:48 [2021-07-14 20:47:22,796 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:22,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 55 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 77 [2021-07-14 20:47:22,825 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-07-14 20:47:22,840 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:22,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 55 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 69 [2021-07-14 20:47:22,869 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:47:22,891 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:22,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 55 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 61 [2021-07-14 20:47:22,914 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 20:47:22,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 55 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 69 [2021-07-14 20:47:22,921 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 20:47:22,983 INFO L628 ElimStorePlain]: treesize reduction 144, result has 34.2 percent of original size [2021-07-14 20:47:22,986 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:22,986 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 20:47:22,987 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 20:47:22,989 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 20:47:22,989 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 20:47:22,996 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:47:23,019 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:47:23,020 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 20:47:23,020 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:439, output treesize:47 [2021-07-14 20:47:23,164 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:47:23,164 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [352051134] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:47:23,164 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:47:23,164 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 41] total 56 [2021-07-14 20:47:23,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738624112] [2021-07-14 20:47:23,164 INFO L462 AbstractCegarLoop]: Interpolant automaton has 56 states [2021-07-14 20:47:23,164 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:47:23,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2021-07-14 20:47:23,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=2921, Unknown=0, NotChecked=0, Total=3080 [2021-07-14 20:47:23,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:47:23,165 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:47:23,165 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 56 states, 56 states have (on average 1.25) internal successors, (70), 56 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:47:23,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:47:23,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:47:23,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:47:23,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:47:23,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:47:23,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:47:23,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:47:23,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:47:23,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:47:23,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:47:23,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:47:23,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:47:23,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:47:23,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:47:23,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:47:23,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:47:23,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:47:23,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:47:23,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:47:23,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:47:23,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:47:23,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:47:23,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:47:23,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:47:23,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:47:23,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 20:47:23,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:47:23,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:47:23,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:47:23,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:47:23,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 20:47:23,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 20:47:23,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:47:23,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:47:23,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 20:47:23,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:47:23,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:47:23,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 20:47:23,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 20:47:23,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:47:23,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-07-14 20:47:23,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:47:23,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 20:47:23,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:47:23,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:47:23,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:47:25,400 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-07-14 20:47:25,587 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-07-14 20:47:25,792 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2021-07-14 20:47:25,996 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-07-14 20:47:26,200 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-07-14 20:47:26,409 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2021-07-14 20:47:26,621 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2021-07-14 20:47:26,841 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2021-07-14 20:47:27,062 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2021-07-14 20:47:27,289 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2021-07-14 20:47:27,490 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2021-07-14 20:47:27,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:47:27,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:47:27,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:47:27,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:47:27,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:47:27,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:47:27,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:47:27,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:47:27,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:47:27,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:47:27,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:47:27,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:47:27,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:47:27,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:47:27,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:47:27,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:47:27,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:47:27,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:47:27,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:47:27,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:47:27,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:47:27,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:47:27,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:47:27,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:47:27,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:47:27,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 20:47:27,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:47:27,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:47:27,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:47:27,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:47:27,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 20:47:27,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 20:47:27,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:47:27,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:47:27,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 20:47:27,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:47:27,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:47:27,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 20:47:27,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 20:47:27,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:47:27,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-14 20:47:27,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:47:27,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 20:47:27,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:47:27,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:47:27,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 20:47:27,747 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable988 [2021-07-14 20:47:27,747 INFO L430 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:47:27,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:47:27,747 INFO L82 PathProgramCache]: Analyzing trace with hash -305116754, now seen corresponding path program 43 times [2021-07-14 20:47:27,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:47:27,747 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034529361] [2021-07-14 20:47:27,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:47:27,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:47:28,526 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:47:28,527 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:47:28,527 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034529361] [2021-07-14 20:47:28,527 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034529361] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:47:28,527 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [386366390] [2021-07-14 20:47:28,527 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 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:47:28,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:47:28,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 80 conjunts are in the unsatisfiable core [2021-07-14 20:47:28,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:47:28,785 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 15 treesize of output 11 [2021-07-14 20:47:28,785 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:47:28,787 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 16 treesize of output 12 [2021-07-14 20:47:28,788 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:47:28,801 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 20:47:28,801 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 20:47:28,801 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 20:47:29,327 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 20:47:29,328 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 20:47:29,329 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 20:47:29,330 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 20:47:29,331 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 20:47:29,346 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 20:47:29,346 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 20:47:29,347 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 20:47:29,347 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 20:47:29,393 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:47:29,393 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [386366390] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:47:29,394 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 20:47:29,394 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 40] total 54 [2021-07-14 20:47:29,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084733279] [2021-07-14 20:47:29,394 INFO L462 AbstractCegarLoop]: Interpolant automaton has 54 states [2021-07-14 20:47:29,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:47:29,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2021-07-14 20:47:29,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=2721, Unknown=0, NotChecked=0, Total=2862 [2021-07-14 20:47:29,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:47:29,395 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:47:29,395 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 54 states, 54 states have (on average 1.2222222222222223) internal successors, (66), 54 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 20:47:29,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:47:29,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:47:29,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:47:29,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:47:29,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:47:29,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:47:29,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:47:29,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:47:29,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:47:29,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:47:29,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:47:29,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:47:29,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:47:29,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:47:29,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:47:29,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:47:29,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:47:29,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:47:29,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:47:29,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:47:29,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:47:29,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:47:29,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:47:29,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:47:29,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:47:29,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 20:47:29,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:47:29,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:47:29,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:47:29,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:47:29,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 20:47:29,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 20:47:29,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:47:29,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:47:29,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 20:47:29,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:47:29,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:47:29,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 20:47:29,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 20:47:29,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:47:29,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2021-07-14 20:47:29,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:47:29,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 20:47:29,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:47:29,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:47:29,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 20:47:29,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:47:31,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 20:47:31,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:47:31,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:47:31,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:47:31,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 20:47:31,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:47:31,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:47:31,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:47:31,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 20:47:31,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:47:31,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 20:47:31,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:47:31,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 20:47:31,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:47:31,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 20:47:31,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:47:31,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 20:47:31,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:47:31,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 20:47:31,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 20:47:31,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 20:47:31,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:47:31,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 20:47:31,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 20:47:31,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:47:31,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 20:47:31,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 20:47:31,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 20:47:31,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 20:47:31,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 20:47:31,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 20:47:31,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 20:47:31,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 20:47:31,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:47:31,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 20:47:31,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 20:47:31,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 20:47:31,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 20:47:31,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 20:47:31,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:47:31,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-07-14 20:47:31,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 20:47:31,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 20:47:31,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 20:47:31,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 20:47:31,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 20:47:31,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 20:47:31,816 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1007,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:47:31,816 INFO L430 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 20:47:31,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:47:31,817 INFO L82 PathProgramCache]: Analyzing trace with hash -211133048, now seen corresponding path program 44 times [2021-07-14 20:47:31,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:47:31,817 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78961174] [2021-07-14 20:47:31,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:47:31,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:47:33,828 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:47:33,828 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:47:33,829 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78961174] [2021-07-14 20:47:33,829 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78961174] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 20:47:33,829 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [848169504] [2021-07-14 20:47:33,829 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:47:33,892 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 20:47:33,892 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 20:47:33,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 155 conjunts are in the unsatisfiable core [2021-07-14 20:47:33,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 20:47:36,474 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-07-14 20:47:37,577 WARN L205 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 305 [2021-07-14 20:47:38,851 WARN L205 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 309 [2021-07-14 20:47:40,660 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 366 DAG size of output: 313 [2021-07-14 20:47:42,406 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 215 DAG size of output: 212 [2021-07-14 20:47:44,475 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 374 DAG size of output: 321 [2021-07-14 20:47:46,771 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 378 DAG size of output: 325 [2021-07-14 20:47:49,351 WARN L205 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 227 DAG size of output: 224 [2021-07-14 20:47:52,262 WARN L205 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 386 DAG size of output: 333 [2021-07-14 20:47:55,585 WARN L205 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 235 DAG size of output: 232 [2021-07-14 20:47:59,303 WARN L205 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2021-07-14 20:48:00,932 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-07-14 20:48:00,935 WARN L348 FreeRefinementEngine]: Global settings require throwing the following exception [2021-07-14 20:48:01,135 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1010,49 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 20:48:01,136 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:626) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:371) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:173) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:140) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:360) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:305) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:582) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:201) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:297) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:190) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:597) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:367) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:238) ... 53 more [2021-07-14 20:48:01,139 INFO L168 Benchmark]: Toolchain (without parser) took 279133.32 ms. Allocated memory was 197.1 MB in the beginning and 594.5 MB in the end (delta: 397.4 MB). Free memory was 177.3 MB in the beginning and 500.2 MB in the end (delta: -322.9 MB). Peak memory consumption was 412.6 MB. Max. memory is 8.0 GB. [2021-07-14 20:48:01,140 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 197.1 MB. Free memory is still 178.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 20:48:01,140 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.59 ms. Allocated memory is still 197.1 MB. Free memory was 177.2 MB in the beginning and 175.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 20:48:01,140 INFO L168 Benchmark]: Boogie Preprocessor took 24.28 ms. Allocated memory is still 197.1 MB. Free memory was 175.8 MB in the beginning and 174.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 20:48:01,140 INFO L168 Benchmark]: RCFGBuilder took 291.26 ms. Allocated memory is still 197.1 MB. Free memory was 174.7 MB in the beginning and 153.0 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-07-14 20:48:01,140 INFO L168 Benchmark]: TraceAbstraction took 278795.47 ms. Allocated memory was 197.1 MB in the beginning and 594.5 MB in the end (delta: 397.4 MB). Free memory was 152.5 MB in the beginning and 500.2 MB in the end (delta: -347.7 MB). Peak memory consumption was 387.4 MB. Max. memory is 8.0 GB. [2021-07-14 20:48:01,140 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 197.1 MB. Free memory is still 178.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 18.59 ms. Allocated memory is still 197.1 MB. Free memory was 177.2 MB in the beginning and 175.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 24.28 ms. Allocated memory is still 197.1 MB. Free memory was 175.8 MB in the beginning and 174.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 291.26 ms. Allocated memory is still 197.1 MB. Free memory was 174.7 MB in the beginning and 153.0 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 278795.47 ms. Allocated memory was 197.1 MB in the beginning and 594.5 MB in the end (delta: 397.4 MB). Free memory was 152.5 MB in the beginning and 500.2 MB in the end (delta: -347.7 MB). Peak memory consumption was 387.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...