/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 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-14 23:48:26,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-14 23:48:26,375 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-14 23:48:26,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-14 23:48:26,433 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-14 23:48:26,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-14 23:48:26,435 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-14 23:48:26,436 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-14 23:48:26,439 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-14 23:48:26,439 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-14 23:48:26,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-14 23:48:26,447 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-14 23:48:26,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-14 23:48:26,449 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-14 23:48:26,449 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-14 23:48:26,451 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-14 23:48:26,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-14 23:48:26,470 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 [2021-06-14 23:48:26,505 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-14 23:48:26,506 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-14 23:48:26,506 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-14 23:48:26,506 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-14 23:48:26,508 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-14 23:48:26,508 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-14 23:48:26,509 INFO L138 SettingsManager]: * Use SBE=true [2021-06-14 23:48:26,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-14 23:48:26,509 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-14 23:48:26,509 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-14 23:48:26,510 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-14 23:48:26,510 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-14 23:48:26,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-14 23:48:26,510 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-14 23:48:26,510 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-14 23:48:26,511 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-14 23:48:26,511 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-14 23:48:26,511 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-14 23:48:26,511 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-14 23:48:26,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-14 23:48:26,511 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-14 23:48:26,511 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-14 23:48:26,511 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-14 23:48:26,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 23:48:26,512 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-14 23:48:26,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-14 23:48:26,512 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-14 23:48:26,512 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-14 23:48:26,512 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-14 23:48:26,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-14 23:48:26,513 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-14 23:48:26,513 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-14 23:48:26,513 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-14 23:48:26,513 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-14 23:48:26,513 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-14 23:48:26,513 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-14 23:48:26,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-14 23:48:26,871 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-14 23:48:26,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-14 23:48:26,875 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-14 23:48:26,876 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-14 23:48:26,876 INFO L432 ainManager$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 [2021-06-14 23:48:26,898 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-trans.wvr.bpl' [2021-06-14 23:48:26,920 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-14 23:48:26,921 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-14 23:48:26,922 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-14 23:48:26,922 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-14 23:48:26,922 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-14 23:48:26,933 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 14.06 11:48:26" (1/1) ... [2021-06-14 23:48:26,942 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 14.06 11:48:26" (1/1) ... [2021-06-14 23:48:26,949 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-14 23:48:26,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-14 23:48:26,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-14 23:48:26,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-14 23:48:26,957 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 14.06 11:48:26" (1/1) ... [2021-06-14 23:48:26,958 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 14.06 11:48:26" (1/1) ... [2021-06-14 23:48:26,969 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 14.06 11:48:26" (1/1) ... [2021-06-14 23:48:26,969 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 14.06 11:48:26" (1/1) ... [2021-06-14 23:48:26,977 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 14.06 11:48:26" (1/1) ... [2021-06-14 23:48:26,979 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 14.06 11:48:26" (1/1) ... [2021-06-14 23:48:26,980 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 14.06 11:48:26" (1/1) ... [2021-06-14 23:48:26,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-14 23:48:26,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-14 23:48:26,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-14 23:48:26,982 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-14 23:48:26,987 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 11:48:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 23:48:27,062 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-14 23:48:27,063 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-14 23:48:27,063 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-14 23:48:27,063 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-14 23:48:27,063 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-14 23:48:27,063 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-14 23:48:27,063 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-14 23:48:27,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-14 23:48:27,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-14 23:48:27,064 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-14 23:48:27,064 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-14 23:48:27,064 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-14 23:48:27,065 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-14 23:48:27,364 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-14 23:48:27,364 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-06-14 23:48:27,364 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-14 23:48:27,365 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-06-14 23:48:27,365 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2021-06-14 23:48:27,366 INFO L202 PluginConnector]: Adding new model array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 11:48:27 BoogieIcfgContainer [2021-06-14 23:48:27,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-14 23:48:27,368 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-14 23:48:27,368 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-14 23:48:27,370 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-14 23:48:27,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 11:48:26" (1/2) ... [2021-06-14 23:48:27,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76aaf41b and model type array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 11:48:27, skipping insertion in model container [2021-06-14 23:48:27,372 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 14.06 11:48:27" (2/2) ... [2021-06-14 23:48:27,373 INFO L111 eAbstractionObserver]: Analyzing ICFG array-int-trans.wvr.bpl [2021-06-14 23:48:27,377 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-14 23:48:27,377 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-14 23:48:27,378 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-14 23:48:27,378 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-14 23:48:27,421 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-14 23:48:27,439 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 [2021-06-14 23:48:27,506 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 23:48:27,506 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 23:48:27,506 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 23:48:27,507 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 23:48:27,507 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 23:48:27,507 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 23:48:27,507 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 23:48:27,507 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-14 23:48:27,615 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:48:27,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:48:27,619 INFO L82 PathProgramCache]: Analyzing trace with hash -1133665786, now seen corresponding path program 1 times [2021-06-14 23:48:27,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:48:27,626 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350522038] [2021-06-14 23:48:27,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:48:27,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:48:27,788 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-14 23:48:27,789 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:48:27,789 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350522038] [2021-06-14 23:48:27,790 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350522038] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:48:27,790 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [231546736] [2021-06-14 23:48:27,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:48:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:48:27,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-14 23:48:27,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:48:28,004 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-14 23:48:28,004 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [231546736] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:48:28,004 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:48:28,005 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-06-14 23:48:28,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388008343] [2021-06-14 23:48:28,009 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-14 23:48:28,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:48:28,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-14 23:48:28,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-06-14 23:48:28,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:48:28,022 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:48:28,023 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 23:48:28,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:48:28,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:48:28,348 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-06-14 23:48:28,348 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:48:28,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:48:28,349 INFO L82 PathProgramCache]: Analyzing trace with hash -783240814, now seen corresponding path program 1 times [2021-06-14 23:48:28,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:48:28,349 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852365210] [2021-06-14 23:48:28,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:48:28,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:48:28,902 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:48:28,903 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:48:28,903 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852365210] [2021-06-14 23:48:28,905 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852365210] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:48:28,906 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1344026768] [2021-06-14 23:48:28,906 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 [2021-06-14 23:48:28,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:48:28,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-14 23:48:28,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:48:29,422 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:29,422 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:29,426 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 [2021-06-14 23:48:29,429 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:29,434 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:29,435 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 [2021-06-14 23:48:29,437 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-14 23:48:29,500 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:48:29,506 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:29,506 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:29,507 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 [2021-06-14 23:48:29,508 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:29,513 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:29,514 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 [2021-06-14 23:48:29,515 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:29,583 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:48:29,600 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. [2021-06-14 23:48:29,600 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:155, output treesize:143 [2021-06-14 23:48:30,153 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 10=[array_0]} [2021-06-14 23:48:30,167 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:30,167 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 [2021-06-14 23:48:30,171 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-06-14 23:48:30,183 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:30,183 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 [2021-06-14 23:48:30,185 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:30,191 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:30,192 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 [2021-06-14 23:48:30,194 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-14 23:48:30,201 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:30,202 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 [2021-06-14 23:48:30,206 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-06-14 23:48:30,222 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:30,223 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 [2021-06-14 23:48:30,225 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:30,232 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:30,233 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 [2021-06-14 23:48:30,237 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:30,244 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:30,245 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 28 treesize of output 22 [2021-06-14 23:48:30,248 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2021-06-14 23:48:30,255 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:30,256 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 [2021-06-14 23:48:30,257 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:30,265 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:30,265 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 [2021-06-14 23:48:30,267 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:30,276 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 [2021-06-14 23:48:30,278 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:30,627 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 77 [2021-06-14 23:48:30,628 INFO L628 ElimStorePlain]: treesize reduction 148, result has 71.4 percent of original size [2021-06-14 23:48:30,640 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:30,645 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:30,645 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 [2021-06-14 23:48:30,646 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:30,653 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:30,654 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:30,654 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 [2021-06-14 23:48:30,656 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:30,661 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:30,662 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:30,663 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 [2021-06-14 23:48:30,664 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:30,675 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:48:30,682 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:30,683 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:30,683 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 [2021-06-14 23:48:30,684 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:30,689 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:30,690 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:30,690 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 44 treesize of output 19 [2021-06-14 23:48:30,691 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:30,706 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:48:30,712 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:30,712 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:30,713 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 21 treesize of output 7 [2021-06-14 23:48:30,717 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:30,723 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:30,723 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:30,724 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 [2021-06-14 23:48:30,725 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:30,736 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:48:30,743 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:30,743 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:30,744 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 [2021-06-14 23:48:30,744 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:30,750 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:30,751 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:30,751 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 [2021-06-14 23:48:30,752 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:30,758 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:30,759 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:30,759 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 [2021-06-14 23:48:30,762 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:30,768 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:30,768 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 [2021-06-14 23:48:30,769 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:30,781 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:48:30,922 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-06-14 23:48:30,922 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:48:30,954 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-06-14 23:48:30,955 INFO L247 ElimStorePlain]: Needed 22 recursive calls to eliminate 6 variables, input treesize:419, output treesize:179 [2021-06-14 23:48:31,138 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2021-06-14 23:48:31,243 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:48:31,244 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1344026768] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:48:31,244 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:48:31,244 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 16 [2021-06-14 23:48:31,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617496289] [2021-06-14 23:48:31,245 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-14 23:48:31,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:48:31,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-14 23:48:31,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2021-06-14 23:48:31,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:48:31,246 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:48:31,246 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.875) internal successors, (30), 16 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 23:48:31,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:48:31,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:48:31,876 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2021-06-14 23:48:32,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:48:32,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:48:32,404 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:48:32,406 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:48:32,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:48:32,406 INFO L82 PathProgramCache]: Analyzing trace with hash 1489998726, now seen corresponding path program 2 times [2021-06-14 23:48:32,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:48:32,407 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555779113] [2021-06-14 23:48:32,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:48:32,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:48:32,685 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:48:32,686 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:48:32,686 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555779113] [2021-06-14 23:48:32,686 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555779113] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:48:32,686 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755147719] [2021-06-14 23:48:32,686 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:48:32,736 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 23:48:32,736 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 23:48:32,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-14 23:48:32,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:48:33,004 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 [2021-06-14 23:48:33,006 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-14 23:48:33,011 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 [2021-06-14 23:48:33,012 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:33,016 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 [2021-06-14 23:48:33,017 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:33,022 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 [2021-06-14 23:48:33,023 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:33,027 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 [2021-06-14 23:48:33,029 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2021-06-14 23:48:33,033 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 19 treesize of output 15 [2021-06-14 23:48:33,037 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:33,042 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 [2021-06-14 23:48:33,043 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:33,047 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 [2021-06-14 23:48:33,048 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:33,054 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 [2021-06-14 23:48:33,055 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:33,059 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 [2021-06-14 23:48:33,060 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:33,164 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 37 [2021-06-14 23:48:33,172 INFO L628 ElimStorePlain]: treesize reduction 136, result has 51.1 percent of original size [2021-06-14 23:48:33,182 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 5 xjuncts. [2021-06-14 23:48:33,182 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 2 variables, input treesize:317, output treesize:142 [2021-06-14 23:48:33,564 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:33,565 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:33,565 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 [2021-06-14 23:48:33,567 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:33,573 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:33,573 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:33,574 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 15 treesize of output 11 [2021-06-14 23:48:33,575 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:33,580 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:33,589 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:33,590 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 26 treesize of output 20 [2021-06-14 23:48:33,595 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:33,601 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:33,602 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:33,602 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 [2021-06-14 23:48:33,604 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:33,610 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:33,610 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:33,611 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 [2021-06-14 23:48:33,615 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:33,620 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:33,621 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:33,622 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 [2021-06-14 23:48:33,623 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:33,630 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:33,630 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:33,630 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 [2021-06-14 23:48:33,635 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:33,645 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:33,646 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:33,647 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 [2021-06-14 23:48:33,648 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:33,661 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 23:48:33,662 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:33,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:33,668 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:33,668 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 [2021-06-14 23:48:33,670 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:33,675 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:33,676 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:33,677 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 [2021-06-14 23:48:33,678 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:33,682 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:33,683 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 [2021-06-14 23:48:33,684 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:33,827 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 44 [2021-06-14 23:48:33,828 INFO L628 ElimStorePlain]: treesize reduction 122, result has 49.2 percent of original size [2021-06-14 23:48:33,832 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:33,833 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:33,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-14 23:48:33,834 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:33,838 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:33,839 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 [2021-06-14 23:48:33,840 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:33,887 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:48:33,896 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-06-14 23:48:33,896 INFO L247 ElimStorePlain]: Needed 15 recursive calls to eliminate 7 variables, input treesize:405, output treesize:50 [2021-06-14 23:48:34,008 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:48:34,009 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [755147719] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:48:34,009 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:48:34,009 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 17 [2021-06-14 23:48:34,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405432590] [2021-06-14 23:48:34,009 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-14 23:48:34,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:48:34,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-14 23:48:34,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2021-06-14 23:48:34,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:48:34,011 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:48:34,011 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 17 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 23:48:34,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:48:34,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:48:34,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:48:34,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:48:34,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:48:34,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:48:35,171 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:48:35,174 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:48:35,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:48:35,175 INFO L82 PathProgramCache]: Analyzing trace with hash -1196384300, now seen corresponding path program 3 times [2021-06-14 23:48:35,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:48:35,176 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699290022] [2021-06-14 23:48:35,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:48:35,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:48:35,537 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:48:35,537 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:48:35,537 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699290022] [2021-06-14 23:48:35,537 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699290022] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:48:35,537 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319862967] [2021-06-14 23:48:35,538 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:48:35,576 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-06-14 23:48:35,576 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 23:48:35,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-14 23:48:35,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:48:35,802 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 [2021-06-14 23:48:35,803 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:35,807 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 [2021-06-14 23:48:35,808 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:35,811 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 [2021-06-14 23:48:35,812 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:35,816 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 [2021-06-14 23:48:35,817 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:35,820 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 [2021-06-14 23:48:35,821 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:35,825 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 26 treesize of output 20 [2021-06-14 23:48:35,827 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:35,893 INFO L628 ElimStorePlain]: treesize reduction 55, result has 60.4 percent of original size [2021-06-14 23:48:35,894 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-14 23:48:35,894 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:199, output treesize:84 [2021-06-14 23:48:36,087 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:36,088 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:36,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-14 23:48:36,089 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:36,093 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:36,093 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 [2021-06-14 23:48:36,095 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-14 23:48:36,143 INFO L628 ElimStorePlain]: treesize reduction 59, result has 52.0 percent of original size [2021-06-14 23:48:36,146 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:36,146 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:36,147 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 [2021-06-14 23:48:36,148 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:36,151 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:36,151 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 [2021-06-14 23:48:36,152 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:36,161 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:48:36,181 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:48:36,184 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 [2021-06-14 23:48:36,185 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:36,202 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:48:36,202 INFO L518 ElimStorePlain]: Eliminatee v_prenex_12 vanished before elimination [2021-06-14 23:48:36,205 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-14 23:48:36,205 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:119, output treesize:18 [2021-06-14 23:48:36,230 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:48:36,230 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1319862967] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:48:36,230 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:48:36,230 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 17 [2021-06-14 23:48:36,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359391962] [2021-06-14 23:48:36,231 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-14 23:48:36,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:48:36,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-14 23:48:36,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2021-06-14 23:48:36,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:48:36,231 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:48:36,232 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 17 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 23:48:36,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:48:36,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:48:36,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:48:36,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:48:37,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:48:37,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:48:37,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:48:37,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:48:37,303 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable100 [2021-06-14 23:48:37,304 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:48:37,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:48:37,304 INFO L82 PathProgramCache]: Analyzing trace with hash 1567452548, now seen corresponding path program 4 times [2021-06-14 23:48:37,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:48:37,305 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491472241] [2021-06-14 23:48:37,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:48:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:48:37,481 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:48:37,481 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:48:37,481 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491472241] [2021-06-14 23:48:37,481 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491472241] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:48:37,481 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1637725156] [2021-06-14 23:48:37,481 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:48:37,517 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 23:48:37,518 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 23:48:37,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-14 23:48:37,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:48:37,725 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:37,725 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:37,726 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 [2021-06-14 23:48:37,727 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:37,730 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 [2021-06-14 23:48:37,731 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:37,736 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:37,737 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:37,737 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 [2021-06-14 23:48:37,738 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:37,741 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 [2021-06-14 23:48:37,742 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:37,746 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 [2021-06-14 23:48:37,749 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:37,752 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 [2021-06-14 23:48:37,753 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:37,821 INFO L628 ElimStorePlain]: treesize reduction 34, result has 67.9 percent of original size [2021-06-14 23:48:37,826 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2021-06-14 23:48:37,826 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:159, output treesize:64 [2021-06-14 23:48:38,016 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:38,016 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:38,017 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 [2021-06-14 23:48:38,018 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:38,021 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 [2021-06-14 23:48:38,023 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:38,026 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:38,026 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:38,026 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 [2021-06-14 23:48:38,029 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:38,032 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 [2021-06-14 23:48:38,033 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:38,067 INFO L628 ElimStorePlain]: treesize reduction 38, result has 41.5 percent of original size [2021-06-14 23:48:38,068 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-14 23:48:38,069 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 23:48:38,069 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:103, output treesize:13 [2021-06-14 23:48:38,095 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:48:38,095 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1637725156] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:48:38,096 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:48:38,096 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16 [2021-06-14 23:48:38,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761106642] [2021-06-14 23:48:38,096 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-14 23:48:38,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:48:38,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-14 23:48:38,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2021-06-14 23:48:38,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:48:38,097 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:48:38,097 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.8125) internal successors, (29), 16 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 23:48:38,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:48:38,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:48:38,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:48:38,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:48:38,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:48:38,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:48:38,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:48:38,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:48:38,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:48:38,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:48:38,873 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable114 [2021-06-14 23:48:38,873 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:48:38,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:48:38,873 INFO L82 PathProgramCache]: Analyzing trace with hash 1526617790, now seen corresponding path program 5 times [2021-06-14 23:48:38,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:48:38,874 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392402100] [2021-06-14 23:48:38,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:48:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:48:39,046 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:48:39,046 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:48:39,046 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392402100] [2021-06-14 23:48:39,046 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392402100] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:48:39,046 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1517643137] [2021-06-14 23:48:39,046 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:48:39,078 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 23:48:39,078 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 23:48:39,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-14 23:48:39,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:48:39,191 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 [2021-06-14 23:48:39,193 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:39,196 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 [2021-06-14 23:48:39,197 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:39,218 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:48:39,221 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. [2021-06-14 23:48:39,221 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:67, output treesize:53 [2021-06-14 23:48:39,358 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:39,359 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:39,359 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 [2021-06-14 23:48:39,360 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:39,364 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:39,365 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:39,365 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 [2021-06-14 23:48:39,366 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:39,370 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:39,371 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:39,371 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 [2021-06-14 23:48:39,372 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:39,376 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:39,377 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 [2021-06-14 23:48:39,378 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-06-14 23:48:39,468 INFO L628 ElimStorePlain]: treesize reduction 38, result has 72.7 percent of original size [2021-06-14 23:48:39,474 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:39,475 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:39,475 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 [2021-06-14 23:48:39,476 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:39,480 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:39,481 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:39,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-14 23:48:39,482 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:39,491 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:48:39,494 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:39,496 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 [2021-06-14 23:48:39,497 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:39,534 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:48:39,537 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-14 23:48:39,537 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 6 variables, input treesize:149, output treesize:55 [2021-06-14 23:48:39,644 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:48:39,645 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1517643137] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:48:39,645 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:48:39,645 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16 [2021-06-14 23:48:39,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549171109] [2021-06-14 23:48:39,645 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-14 23:48:39,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:48:39,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-14 23:48:39,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2021-06-14 23:48:39,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:48:39,646 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:48:39,646 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.875) internal successors, (30), 16 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 23:48:39,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:48:39,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:48:39,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:48:39,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:48:39,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:48:39,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:48:40,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:48:40,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:48:40,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:48:40,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:48:40,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:48:40,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:48:40,400 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable123 [2021-06-14 23:48:40,401 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:48:40,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:48:40,401 INFO L82 PathProgramCache]: Analyzing trace with hash 1689755688, now seen corresponding path program 6 times [2021-06-14 23:48:40,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:48:40,401 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061328530] [2021-06-14 23:48:40,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:48:40,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:48:40,520 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:48:40,520 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:48:40,520 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061328530] [2021-06-14 23:48:40,522 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061328530] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:48:40,522 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [231393020] [2021-06-14 23:48:40,522 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 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:48:40,554 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-06-14 23:48:40,554 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 23:48:40,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-14 23:48:40,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:48:40,636 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 [2021-06-14 23:48:40,637 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:40,640 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 [2021-06-14 23:48:40,641 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:40,658 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:48:40,659 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 23:48:40,659 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:53, output treesize:39 [2021-06-14 23:48:40,734 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:40,735 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 [2021-06-14 23:48:40,736 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:40,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-14 23:48:40,741 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:40,759 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-14 23:48:40,759 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-14 23:48:40,760 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 23:48:40,760 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-14 23:48:40,782 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:48:40,782 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [231393020] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:48:40,782 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:48:40,782 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 15 [2021-06-14 23:48:40,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721736995] [2021-06-14 23:48:40,783 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-14 23:48:40,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:48:40,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-14 23:48:40,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-06-14 23:48:40,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:48:40,785 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:48:40,785 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.8666666666666667) internal successors, (28), 15 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 23:48:40,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:48:40,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:48:40,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:48:40,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:48:40,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:48:40,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:48:40,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:48:40,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:48:41,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:48:41,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:48:41,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:48:41,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:48:41,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:48:41,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:48:41,201 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable135 [2021-06-14 23:48:41,201 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:48:41,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:48:41,201 INFO L82 PathProgramCache]: Analyzing trace with hash 843478960, now seen corresponding path program 7 times [2021-06-14 23:48:41,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:48:41,202 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351565998] [2021-06-14 23:48:41,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:48:41,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:48:41,657 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:48:41,658 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:48:41,658 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351565998] [2021-06-14 23:48:41,658 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351565998] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:48:41,658 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149783677] [2021-06-14 23:48:41,658 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:48:41,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:48:41,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 35 conjunts are in the unsatisfiable core [2021-06-14 23:48:41,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:48:42,375 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 79 [2021-06-14 23:48:42,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:42,661 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:42,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:42,663 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:42,664 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:42,665 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:42,666 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 47 treesize of output 33 [2021-06-14 23:48:42,667 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:42,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:42,674 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:42,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:42,676 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:42,676 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 37 treesize of output 25 [2021-06-14 23:48:42,678 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:43,024 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2021-06-14 23:48:43,025 INFO L628 ElimStorePlain]: treesize reduction 67, result has 79.9 percent of original size [2021-06-14 23:48:43,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:43,031 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:43,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:43,032 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:43,034 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:43,035 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:43,035 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 49 treesize of output 35 [2021-06-14 23:48:43,037 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:43,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:43,044 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:43,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:43,045 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:43,046 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 47 treesize of output 33 [2021-06-14 23:48:43,047 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:43,130 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:48:43,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:43,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:43,140 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:43,141 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:43,141 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 39 treesize of output 27 [2021-06-14 23:48:43,142 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:43,242 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:48:43,267 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 3 dim-1 vars, End of recursive call: 10 dim-0 vars, and 5 xjuncts. [2021-06-14 23:48:43,268 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 9 variables, input treesize:370, output treesize:229 [2021-06-14 23:48:43,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:43,879 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:43,881 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:43,882 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 29 treesize of output 21 [2021-06-14 23:48:43,883 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:43,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:43,889 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:43,890 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 31 treesize of output 23 [2021-06-14 23:48:43,892 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:44,067 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-06-14 23:48:44,068 INFO L628 ElimStorePlain]: treesize reduction 48, result has 79.0 percent of original size [2021-06-14 23:48:44,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:44,075 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:44,076 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:44,077 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 30 treesize of output 22 [2021-06-14 23:48:44,081 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:44,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:44,088 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:44,088 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 [2021-06-14 23:48:44,089 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:44,138 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:48:44,142 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:44,143 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:44,143 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 11 treesize of output 3 [2021-06-14 23:48:44,144 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:44,147 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:44,148 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 [2021-06-14 23:48:44,148 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:44,196 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:48:44,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:44,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:44,201 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:44,201 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 [2021-06-14 23:48:44,204 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2021-06-14 23:48:44,253 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:48:44,257 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:44,258 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:44,258 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 [2021-06-14 23:48:44,259 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:44,262 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:44,262 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 [2021-06-14 23:48:44,263 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:44,312 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:48:44,316 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:44,316 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:44,317 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 [2021-06-14 23:48:44,318 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:44,321 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:44,321 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 11 treesize of output 3 [2021-06-14 23:48:44,322 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:44,330 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:48:44,377 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:48:44,380 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-14 23:48:44,380 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 12 variables, input treesize:265, output treesize:31 [2021-06-14 23:48:44,454 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:48:44,455 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149783677] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:48:44,455 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:48:44,455 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 21 [2021-06-14 23:48:44,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418615613] [2021-06-14 23:48:44,455 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-14 23:48:44,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:48:44,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-14 23:48:44,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=374, Unknown=0, NotChecked=0, Total=420 [2021-06-14 23:48:44,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:48:44,456 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:48:44,456 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.619047619047619) internal successors, (34), 21 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 23:48:44,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:48:44,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:48:44,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:48:44,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:48:44,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:48:44,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:48:44,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:48:44,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:48:45,010 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 59 [2021-06-14 23:48:45,254 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 91 [2021-06-14 23:48:45,479 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 92 [2021-06-14 23:48:45,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:48:45,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:48:45,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:48:45,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:48:45,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:48:45,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:48:45,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:48:45,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:48:45,995 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:48:45,995 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:48:45,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:48:45,995 INFO L82 PathProgramCache]: Analyzing trace with hash 378704168, now seen corresponding path program 8 times [2021-06-14 23:48:45,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:48:45,995 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159089104] [2021-06-14 23:48:45,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:48:46,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:48:46,370 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:48:46,370 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:48:46,370 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159089104] [2021-06-14 23:48:46,370 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159089104] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:48:46,370 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [85728159] [2021-06-14 23:48:46,370 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:48:46,407 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 23:48:46,407 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 23:48:46,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-14 23:48:46,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:48:46,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:46,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2021-06-14 23:48:46,592 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-14 23:48:46,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:46,597 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 26 [2021-06-14 23:48:46,598 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:46,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:46,603 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 18 [2021-06-14 23:48:46,605 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:46,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:46,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 20 [2021-06-14 23:48:46,610 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:46,648 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:48:46,649 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-14 23:48:46,649 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:175, output treesize:119 [2021-06-14 23:48:46,916 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:46,917 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 15 treesize of output 11 [2021-06-14 23:48:46,918 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:46,922 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:46,922 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 [2021-06-14 23:48:46,923 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:46,927 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:46,927 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 [2021-06-14 23:48:46,928 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:46,932 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:46,933 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 [2021-06-14 23:48:46,934 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:46,938 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:46,939 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 19 treesize of output 15 [2021-06-14 23:48:46,940 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:46,944 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:46,944 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 [2021-06-14 23:48:46,945 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:46,950 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:46,950 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 [2021-06-14 23:48:46,951 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:46,957 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:46,957 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 [2021-06-14 23:48:46,959 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:46,964 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:46,965 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 [2021-06-14 23:48:46,966 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:46,969 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 23:48:46,970 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:46,973 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 23:48:46,974 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:46,977 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:46,978 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 [2021-06-14 23:48:46,979 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:46,981 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 23:48:46,982 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:46,985 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 23:48:46,986 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:47,041 INFO L628 ElimStorePlain]: treesize reduction 97, result has 39.0 percent of original size [2021-06-14 23:48:47,044 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:47,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-14 23:48:47,045 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:47,047 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 [2021-06-14 23:48:47,048 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:47,065 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:48:47,066 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-06-14 23:48:47,066 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 2 variables, input treesize:377, output treesize:46 [2021-06-14 23:48:47,135 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:48:47,136 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [85728159] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:48:47,136 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:48:47,136 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 21 [2021-06-14 23:48:47,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978023609] [2021-06-14 23:48:47,136 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-14 23:48:47,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:48:47,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-14 23:48:47,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-06-14 23:48:47,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:48:47,137 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:48:47,137 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.619047619047619) internal successors, (34), 21 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 23:48:47,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:48:47,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:48:47,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:48:47,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:48:47,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:48:47,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:48:47,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:48:47,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:48:47,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:48:47,681 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-06-14 23:48:47,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:48:47,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:48:47,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:48:47,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:48:47,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:48:47,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:48:47,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:48:47,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:48:47,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:48:48,067 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable206 [2021-06-14 23:48:48,067 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:48:48,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:48:48,067 INFO L82 PathProgramCache]: Analyzing trace with hash -1294791014, now seen corresponding path program 9 times [2021-06-14 23:48:48,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:48:48,068 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171170891] [2021-06-14 23:48:48,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:48:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:48:48,349 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:48:48,349 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:48:48,349 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171170891] [2021-06-14 23:48:48,349 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171170891] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:48:48,349 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [62005151] [2021-06-14 23:48:48,349 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:48:48,404 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-14 23:48:48,405 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 23:48:48,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-14 23:48:48,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:48:48,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:48,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:48,905 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:48,907 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:48,907 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 27 treesize of output 19 [2021-06-14 23:48:48,909 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:48,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:48,924 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:48,925 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:48,925 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 [2021-06-14 23:48:48,927 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:48,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:48,933 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:48,934 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:48,934 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 [2021-06-14 23:48:48,936 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:48,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:48,941 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:48,942 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:48,943 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 27 treesize of output 19 [2021-06-14 23:48:48,944 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:48,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:48,949 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:48,951 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:48,951 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 37 treesize of output 27 [2021-06-14 23:48:48,953 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:48,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:48,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:48,959 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:48,959 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 [2021-06-14 23:48:48,960 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:49,126 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2021-06-14 23:48:49,126 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.9 percent of original size [2021-06-14 23:48:49,132 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2021-06-14 23:48:49,132 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:313, output treesize:182 [2021-06-14 23:48:49,559 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:49,560 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:49,560 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 [2021-06-14 23:48:49,561 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-14 23:48:49,564 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:49,565 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 [2021-06-14 23:48:49,566 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:49,622 INFO L628 ElimStorePlain]: treesize reduction 75, result has 48.3 percent of original size [2021-06-14 23:48:49,625 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 [2021-06-14 23:48:49,627 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:49,651 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:48:49,651 INFO L518 ElimStorePlain]: Eliminatee v_prenex_41 vanished before elimination [2021-06-14 23:48:49,654 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:49,655 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:49,656 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 [2021-06-14 23:48:49,656 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:49,659 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:49,660 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 [2021-06-14 23:48:49,660 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:49,667 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:48:49,684 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:48:49,686 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-14 23:48:49,686 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 8 variables, input treesize:141, output treesize:18 [2021-06-14 23:48:49,719 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:48:49,719 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [62005151] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:48:49,719 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:48:49,719 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 23 [2021-06-14 23:48:49,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406383880] [2021-06-14 23:48:49,720 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-14 23:48:49,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:48:49,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-14 23:48:49,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=457, Unknown=0, NotChecked=0, Total=506 [2021-06-14 23:48:49,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:48:49,720 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:48:49,721 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.565217391304348) internal successors, (36), 23 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 23:48:49,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:48:49,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:48:49,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:48:49,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:48:49,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:48:49,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:48:49,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:48:49,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:48:49,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:48:49,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:48:50,294 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2021-06-14 23:48:50,641 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 78 [2021-06-14 23:48:51,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:48:51,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:48:51,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:48:51,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:48:51,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:48:51,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:48:51,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:48:51,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:48:51,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:48:51,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:48:51,699 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable223 [2021-06-14 23:48:51,700 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:48:51,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:48:51,700 INFO L82 PathProgramCache]: Analyzing trace with hash -1483155586, now seen corresponding path program 10 times [2021-06-14 23:48:51,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:48:51,700 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230809935] [2021-06-14 23:48:51,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:48:51,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:48:51,888 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:48:51,888 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:48:51,888 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230809935] [2021-06-14 23:48:51,888 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230809935] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:48:51,888 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916658416] [2021-06-14 23:48:51,888 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:48:51,929 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 23:48:51,929 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 23:48:51,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-14 23:48:51,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:48:52,118 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 [2021-06-14 23:48:52,119 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:52,122 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:52,123 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 17 treesize of output 13 [2021-06-14 23:48:52,124 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:52,128 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 [2021-06-14 23:48:52,129 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:52,132 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 23:48:52,133 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:52,135 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:52,136 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 16 treesize of output 12 [2021-06-14 23:48:52,137 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:52,140 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 [2021-06-14 23:48:52,141 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:52,186 INFO L628 ElimStorePlain]: treesize reduction 17, result has 72.1 percent of original size [2021-06-14 23:48:52,187 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-14 23:48:52,187 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:125, output treesize:44 [2021-06-14 23:48:52,316 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:52,316 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 [2021-06-14 23:48:52,317 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:52,319 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 [2021-06-14 23:48:52,320 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:52,322 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 [2021-06-14 23:48:52,323 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:52,325 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 17 treesize of output 13 [2021-06-14 23:48:52,326 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:52,344 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-06-14 23:48:52,344 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-14 23:48:52,344 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 23:48:52,345 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-14 23:48:52,381 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:48:52,381 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1916658416] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:48:52,382 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:48:52,382 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 25 [2021-06-14 23:48:52,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657453648] [2021-06-14 23:48:52,382 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-14 23:48:52,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:48:52,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-14 23:48:52,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=543, Unknown=0, NotChecked=0, Total=600 [2021-06-14 23:48:52,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:48:52,383 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:48:52,383 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.68) internal successors, (42), 25 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 23:48:52,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:48:52,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:48:52,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:48:52,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:48:52,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:48:52,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:48:52,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:48:52,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:48:52,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:48:52,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:48:52,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:48:53,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:48:53,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:48:53,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:48:53,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:48:53,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:48:53,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:48:53,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:48:53,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:48:53,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:48:53,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:48:53,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:48:53,476 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable240,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:48:53,477 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:48:53,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:48:53,477 INFO L82 PathProgramCache]: Analyzing trace with hash -642802170, now seen corresponding path program 11 times [2021-06-14 23:48:53,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:48:53,477 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875736933] [2021-06-14 23:48:53,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:48:53,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:48:53,629 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:48:53,629 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:48:53,629 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875736933] [2021-06-14 23:48:53,629 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875736933] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:48:53,629 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1927584323] [2021-06-14 23:48:53,629 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:48:53,662 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-14 23:48:53,662 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 23:48:53,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-14 23:48:53,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:48:53,758 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 [2021-06-14 23:48:53,759 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:53,761 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 [2021-06-14 23:48:53,762 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:53,779 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:48:53,779 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 23:48:53,779 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:57, output treesize:43 [2021-06-14 23:48:53,852 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 [2021-06-14 23:48:53,854 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:53,856 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 [2021-06-14 23:48:53,857 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:53,860 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:53,860 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 [2021-06-14 23:48:53,861 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:53,863 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 [2021-06-14 23:48:53,864 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:53,884 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-06-14 23:48:53,884 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-14 23:48:53,885 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 23:48:53,885 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-14 23:48:53,911 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:48:53,911 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1927584323] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:48:53,911 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:48:53,911 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-06-14 23:48:53,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677607468] [2021-06-14 23:48:53,913 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-14 23:48:53,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:48:53,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-14 23:48:53,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2021-06-14 23:48:53,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:48:53,913 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:48:53,913 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.75) internal successors, (28), 16 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 23:48:53,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:48:53,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:48:53,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:48:53,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:48:53,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:48:53,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:48:53,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:48:53,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:48:53,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:48:53,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:48:53,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:48:53,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:48:54,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:48:54,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:48:54,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:48:54,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:48:54,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:48:54,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:48:54,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:48:54,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:48:54,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:48:54,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:48:54,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:48:54,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:48:54,456 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable247 [2021-06-14 23:48:54,457 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:48:54,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:48:54,457 INFO L82 PathProgramCache]: Analyzing trace with hash -124865788, now seen corresponding path program 12 times [2021-06-14 23:48:54,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:48:54,457 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370981172] [2021-06-14 23:48:54,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:48:54,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:48:54,696 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:48:54,696 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:48:54,696 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370981172] [2021-06-14 23:48:54,696 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370981172] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:48:54,696 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1674395493] [2021-06-14 23:48:54,696 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:48:54,731 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-14 23:48:54,731 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 23:48:54,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 34 conjunts are in the unsatisfiable core [2021-06-14 23:48:54,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:48:54,906 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:54,906 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:54,907 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 [2021-06-14 23:48:54,907 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:54,912 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:54,913 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:54,913 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 [2021-06-14 23:48:54,914 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:54,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:54,919 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 [2021-06-14 23:48:54,920 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:54,992 INFO L628 ElimStorePlain]: treesize reduction 36, result has 67.9 percent of original size [2021-06-14 23:48:54,994 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. [2021-06-14 23:48:54,994 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:139, output treesize:76 [2021-06-14 23:48:55,411 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:55,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:55,412 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:55,414 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 46 treesize of output 34 [2021-06-14 23:48:55,418 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-06-14 23:48:55,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:55,424 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:55,426 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:55,426 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 [2021-06-14 23:48:55,428 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:55,434 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:55,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:55,436 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:55,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-06-14 23:48:55,438 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:55,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:55,442 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:55,443 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 [2021-06-14 23:48:55,444 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:55,531 INFO L628 ElimStorePlain]: treesize reduction 162, result has 33.3 percent of original size [2021-06-14 23:48:55,534 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:55,535 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:55,535 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 [2021-06-14 23:48:55,536 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:55,539 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:55,539 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 [2021-06-14 23:48:55,540 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:55,548 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:48:55,575 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:48:55,592 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 23:48:55,593 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:227, output treesize:44 [2021-06-14 23:48:55,713 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:48:55,713 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1674395493] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:48:55,714 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:48:55,714 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 23 [2021-06-14 23:48:55,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412029689] [2021-06-14 23:48:55,714 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-14 23:48:55,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:48:55,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-14 23:48:55,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2021-06-14 23:48:55,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:48:55,715 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:48:55,715 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 23:48:55,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:48:55,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:48:55,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:48:55,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:48:55,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:48:55,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:48:55,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:48:55,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:48:55,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:48:55,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:48:55,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:48:55,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:48:55,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:48:56,396 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-06-14 23:48:56,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:48:56,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:48:56,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:48:56,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:48:56,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:48:56,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:48:56,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:48:56,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:48:56,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:48:56,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:48:56,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:48:56,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:48:56,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:48:56,749 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable254,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:48:56,750 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:48:56,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:48:56,750 INFO L82 PathProgramCache]: Analyzing trace with hash -54555182, now seen corresponding path program 13 times [2021-06-14 23:48:56,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:48:56,750 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736801405] [2021-06-14 23:48:56,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:48:56,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:48:57,291 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:48:57,292 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:48:57,292 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736801405] [2021-06-14 23:48:57,292 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736801405] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:48:57,292 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958442510] [2021-06-14 23:48:57,292 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:48:57,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:48:57,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 47 conjunts are in the unsatisfiable core [2021-06-14 23:48:57,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:48:58,084 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2021-06-14 23:48:58,383 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 90 [2021-06-14 23:48:58,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:58,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:58,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:58,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:58,516 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:58,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:58,518 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:58,518 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:58,522 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:58,523 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:58,525 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:58,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 [2021-06-14 23:48:58,527 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:58,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:58,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:58,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:58,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:58,536 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:58,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:58,537 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:58,538 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:58,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 [2021-06-14 23:48:58,540 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:58,768 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 89 [2021-06-14 23:48:58,769 INFO L628 ElimStorePlain]: treesize reduction 73, result has 80.8 percent of original size [2021-06-14 23:48:58,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:58,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:58,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:58,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:58,778 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:58,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:58,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:58,780 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:58,781 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:58,785 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:58,787 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:58,787 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:58,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 [2021-06-14 23:48:58,790 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:58,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:58,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:58,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:58,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:58,798 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:58,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:58,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:58,801 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:58,801 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:58,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 [2021-06-14 23:48:58,804 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:58,876 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:48:58,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:58,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:58,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:58,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:58,883 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:58,883 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:58,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:48:58,884 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:58,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 [2021-06-14 23:48:58,887 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:58,959 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:48:58,968 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. [2021-06-14 23:48:58,969 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:414, output treesize:232 [2021-06-14 23:48:59,524 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_60, array_4, v_prenex_58], 6=[array_0, v_prenex_57, v_prenex_59]} [2021-06-14 23:48:59,531 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 [2021-06-14 23:48:59,533 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:59,537 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 [2021-06-14 23:48:59,538 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:59,635 INFO L628 ElimStorePlain]: treesize reduction 49, result has 77.8 percent of original size [2021-06-14 23:48:59,638 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 [2021-06-14 23:48:59,640 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-14 23:48:59,686 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:48:59,692 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 [2021-06-14 23:48:59,693 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:59,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-06-14 23:48:59,698 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:59,731 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:48:59,735 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:59,735 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:59,735 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 [2021-06-14 23:48:59,744 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:59,747 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:59,747 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 [2021-06-14 23:48:59,748 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:59,756 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:48:59,788 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:48:59,791 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:59,792 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:59,792 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 [2021-06-14 23:48:59,793 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:59,795 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:59,795 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 [2021-06-14 23:48:59,796 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:59,827 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:48:59,830 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:59,830 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:59,831 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 [2021-06-14 23:48:59,831 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:59,834 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:48:59,834 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 [2021-06-14 23:48:59,845 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-14 23:48:59,884 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:48:59,887 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 6 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-14 23:48:59,887 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 9 variables, input treesize:271, output treesize:31 [2021-06-14 23:48:59,952 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:48:59,952 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1958442510] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:48:59,952 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:48:59,952 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 28 [2021-06-14 23:48:59,952 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664259899] [2021-06-14 23:48:59,953 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-14 23:48:59,953 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:48:59,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-14 23:48:59,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-06-14 23:48:59,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:48:59,953 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:48:59,954 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.5) internal successors, (42), 28 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 23:48:59,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:48:59,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:48:59,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:48:59,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:48:59,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:48:59,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:48:59,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:48:59,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:48:59,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:48:59,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:48:59,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:48:59,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:48:59,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:48:59,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:49:00,650 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2021-06-14 23:49:00,998 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 98 [2021-06-14 23:49:01,248 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 98 [2021-06-14 23:49:01,583 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 102 [2021-06-14 23:49:01,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:49:01,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:49:01,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:49:01,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:49:01,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:49:01,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:49:01,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:49:01,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:01,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:01,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:49:01,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:01,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:49:01,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:49:01,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:49:02,112 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable270,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:49:02,113 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:49:02,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:49:02,113 INFO L82 PathProgramCache]: Analyzing trace with hash -1690550458, now seen corresponding path program 14 times [2021-06-14 23:49:02,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:49:02,113 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540689099] [2021-06-14 23:49:02,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:49:02,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:49:02,434 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:49:02,435 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:49:02,435 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540689099] [2021-06-14 23:49:02,435 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540689099] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:49:02,435 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [826879333] [2021-06-14 23:49:02,435 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:49:02,472 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 23:49:02,472 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 23:49:02,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 41 conjunts are in the unsatisfiable core [2021-06-14 23:49:02,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:49:02,981 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2021-06-14 23:49:03,220 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-06-14 23:49:03,333 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:03,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:03,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:03,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:03,336 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:03,339 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 57 treesize of output 41 [2021-06-14 23:49:03,342 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-06-14 23:49:03,349 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:03,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:03,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:03,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:03,352 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:03,355 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 47 treesize of output 33 [2021-06-14 23:49:03,356 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:03,363 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:03,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:03,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:03,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:03,366 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 47 treesize of output 33 [2021-06-14 23:49:03,367 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:03,473 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-06-14 23:49:03,474 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:49:03,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:03,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:03,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:03,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:03,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:03,482 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:03,486 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:03,487 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 47 treesize of output 33 [2021-06-14 23:49:03,488 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:03,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:03,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:03,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:03,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:03,496 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:03,500 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:03,500 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 37 treesize of output 25 [2021-06-14 23:49:03,502 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:03,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:03,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:03,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:03,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:03,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:03,514 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:03,515 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 37 treesize of output 25 [2021-06-14 23:49:03,516 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:03,597 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:49:03,634 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 2 dim-1 vars, End of recursive call: 12 dim-0 vars, and 6 xjuncts. [2021-06-14 23:49:03,635 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 10 variables, input treesize:359, output treesize:269 [2021-06-14 23:49:04,449 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2021-06-14 23:49:04,852 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:04,853 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:04,853 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 [2021-06-14 23:49:04,855 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-14 23:49:04,863 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:04,864 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:04,864 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 [2021-06-14 23:49:04,866 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:04,874 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:04,875 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:04,875 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 27 treesize of output 21 [2021-06-14 23:49:04,876 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:04,885 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:04,886 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:04,886 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 [2021-06-14 23:49:04,887 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:04,896 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:04,896 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:04,897 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 [2021-06-14 23:49:04,898 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:04,906 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:04,907 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:04,907 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 [2021-06-14 23:49:04,909 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:04,916 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:04,917 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:04,918 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 [2021-06-14 23:49:04,919 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:04,927 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:04,928 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:04,929 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 [2021-06-14 23:49:04,930 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:04,938 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:04,939 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:04,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-14 23:49:04,941 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:04,949 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:04,949 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:04,950 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 [2021-06-14 23:49:04,951 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:04,959 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:04,960 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:04,960 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 [2021-06-14 23:49:04,961 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:04,970 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:04,970 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:04,971 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 [2021-06-14 23:49:04,972 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:04,981 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:04,982 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:04,982 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 [2021-06-14 23:49:04,983 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:04,991 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:04,992 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 [2021-06-14 23:49:04,993 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:05,209 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 74 [2021-06-14 23:49:05,209 INFO L628 ElimStorePlain]: treesize reduction 199, result has 47.8 percent of original size [2021-06-14 23:49:05,215 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:05,215 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:05,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-14 23:49:05,217 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:05,224 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:05,224 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 [2021-06-14 23:49:05,225 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:05,301 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:49:05,306 INFO L550 ElimStorePlain]: Start of recursive call 1: 14 dim-0 vars, 2 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-14 23:49:05,307 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 16 variables, input treesize:541, output treesize:61 [2021-06-14 23:49:05,436 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:49:05,437 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [826879333] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:49:05,437 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:49:05,437 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 27 [2021-06-14 23:49:05,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037808221] [2021-06-14 23:49:05,437 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-14 23:49:05,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:49:05,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-14 23:49:05,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=644, Unknown=0, NotChecked=0, Total=702 [2021-06-14 23:49:05,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:49:05,438 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:49:05,438 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.4814814814814814) internal successors, (40), 27 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 23:49:05,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:49:05,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:49:05,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:49:05,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:49:05,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:49:05,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:49:05,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:49:05,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:05,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:05,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:49:05,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:05,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:49:05,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:49:05,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:49:05,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:49:06,614 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2021-06-14 23:49:06,931 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 73 [2021-06-14 23:49:07,409 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2021-06-14 23:49:07,706 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2021-06-14 23:49:07,959 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2021-06-14 23:49:08,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:49:08,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:49:08,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:49:08,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:49:08,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:49:08,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:49:08,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:49:08,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:08,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:08,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:49:08,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:08,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:49:08,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:49:08,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:49:08,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:49:08,400 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable324,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:49:08,400 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:49:08,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:49:08,401 INFO L82 PathProgramCache]: Analyzing trace with hash -1728050364, now seen corresponding path program 15 times [2021-06-14 23:49:08,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:49:08,401 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199340641] [2021-06-14 23:49:08,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:49:08,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:49:08,573 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:49:08,573 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:49:08,573 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199340641] [2021-06-14 23:49:08,574 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199340641] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:49:08,574 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868664950] [2021-06-14 23:49:08,574 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:49:08,609 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-14 23:49:08,609 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 23:49:08,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-14 23:49:08,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:49:08,718 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:08,719 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 [2021-06-14 23:49:08,719 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:08,722 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 [2021-06-14 23:49:08,723 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:08,738 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:49:08,739 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 23:49:08,739 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:53, output treesize:39 [2021-06-14 23:49:08,846 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:08,847 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 [2021-06-14 23:49:08,848 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:08,849 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 [2021-06-14 23:49:08,850 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:08,865 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-14 23:49:08,865 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-14 23:49:08,866 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 23:49:08,866 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-14 23:49:08,889 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:49:08,889 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1868664950] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:49:08,889 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:49:08,889 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 22 [2021-06-14 23:49:08,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205572555] [2021-06-14 23:49:08,890 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-14 23:49:08,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:49:08,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-14 23:49:08,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2021-06-14 23:49:08,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:49:08,890 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:49:08,891 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.5909090909090908) internal successors, (35), 22 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 23:49:08,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:49:08,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:49:08,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:49:08,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:49:08,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:49:08,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:49:08,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:49:08,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:08,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:08,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:49:08,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:08,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:49:08,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:49:08,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:49:08,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:49:08,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:49:09,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:49:09,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:49:09,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:49:09,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:49:09,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:49:09,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:49:09,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:49:09,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:09,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:09,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:49:09,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:09,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:49:09,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:49:09,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:49:09,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:49:09,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:49:09,563 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable376 [2021-06-14 23:49:09,563 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:49:09,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:49:09,564 INFO L82 PathProgramCache]: Analyzing trace with hash -2029293548, now seen corresponding path program 16 times [2021-06-14 23:49:09,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:49:09,564 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708961969] [2021-06-14 23:49:09,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:49:09,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:49:09,901 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:49:09,902 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:49:09,902 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708961969] [2021-06-14 23:49:09,902 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708961969] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:49:09,902 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [576347924] [2021-06-14 23:49:09,902 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:49:09,938 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 23:49:09,938 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 23:49:09,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 41 conjunts are in the unsatisfiable core [2021-06-14 23:49:09,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:49:10,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:10,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:10,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:10,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:10,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:10,455 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:10,459 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:10,459 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 37 treesize of output 25 [2021-06-14 23:49:10,460 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:10,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:10,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:10,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:10,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:10,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:10,467 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:10,471 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:10,471 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 38 treesize of output 26 [2021-06-14 23:49:10,472 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:10,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:10,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:10,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:10,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:10,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:10,479 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:10,482 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:10,484 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 47 treesize of output 33 [2021-06-14 23:49:10,486 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:10,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:10,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:10,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:10,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:10,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:10,492 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:10,492 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 48 treesize of output 34 [2021-06-14 23:49:10,494 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:10,611 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2021-06-14 23:49:10,612 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.3 percent of original size [2021-06-14 23:49:10,615 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2021-06-14 23:49:10,615 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:253, output treesize:111 [2021-06-14 23:49:11,102 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:11,102 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:11,102 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 [2021-06-14 23:49:11,103 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:11,108 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:11,109 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:11,109 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 25 treesize of output 19 [2021-06-14 23:49:11,110 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:11,115 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:11,116 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:11,116 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 34 treesize of output 26 [2021-06-14 23:49:11,117 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:11,123 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:11,123 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:11,123 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 35 treesize of output 27 [2021-06-14 23:49:11,126 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 4 xjuncts. [2021-06-14 23:49:11,131 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:11,132 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:11,132 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 [2021-06-14 23:49:11,133 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:11,139 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:11,139 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 15 treesize of output 11 [2021-06-14 23:49:11,140 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:11,239 INFO L628 ElimStorePlain]: treesize reduction 248, result has 25.3 percent of original size [2021-06-14 23:49:11,242 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:11,242 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:11,243 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 [2021-06-14 23:49:11,244 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:11,259 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:11,260 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 [2021-06-14 23:49:11,260 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:11,268 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:49:11,298 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:49:11,300 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 23:49:11,300 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 6 variables, input treesize:292, output treesize:38 [2021-06-14 23:49:11,398 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:49:11,399 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [576347924] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:49:11,399 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:49:11,399 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 28 [2021-06-14 23:49:11,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347630284] [2021-06-14 23:49:11,399 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-14 23:49:11,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:49:11,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-14 23:49:11,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=698, Unknown=0, NotChecked=0, Total=756 [2021-06-14 23:49:11,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:49:11,400 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:49:11,400 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.5) internal successors, (42), 28 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 23:49:11,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:49:11,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:49:11,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:49:11,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:49:11,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:49:11,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:49:11,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:49:11,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:11,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:11,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:49:11,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:11,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:49:11,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:49:11,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:49:11,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:49:11,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:49:11,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:49:13,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:49:13,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:49:13,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:49:13,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:49:13,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:49:13,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:49:13,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:49:13,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:13,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:13,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:49:13,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:13,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:49:13,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:49:13,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:49:13,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:49:13,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:49:13,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:49:13,851 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable379 [2021-06-14 23:49:13,852 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:49:13,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:49:13,852 INFO L82 PathProgramCache]: Analyzing trace with hash 1517069636, now seen corresponding path program 17 times [2021-06-14 23:49:13,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:49:13,852 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072832010] [2021-06-14 23:49:13,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:49:13,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:49:14,138 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:49:14,139 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:49:14,139 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072832010] [2021-06-14 23:49:14,139 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072832010] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:49:14,139 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446274987] [2021-06-14 23:49:14,139 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:49:14,195 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-14 23:49:14,195 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 23:49:14,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-14 23:49:14,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:49:14,479 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 [2021-06-14 23:49:14,481 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:14,484 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 [2021-06-14 23:49:14,485 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:14,487 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:14,488 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 [2021-06-14 23:49:14,489 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:14,491 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:14,491 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 [2021-06-14 23:49:14,492 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:14,494 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 23:49:14,495 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:14,497 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 [2021-06-14 23:49:14,498 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:14,536 INFO L628 ElimStorePlain]: treesize reduction 17, result has 72.1 percent of original size [2021-06-14 23:49:14,536 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-14 23:49:14,536 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:125, output treesize:44 [2021-06-14 23:49:14,701 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:14,702 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 [2021-06-14 23:49:14,702 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:14,705 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:14,706 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 [2021-06-14 23:49:14,707 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:14,709 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 [2021-06-14 23:49:14,710 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:14,712 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 23:49:14,713 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:14,729 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-06-14 23:49:14,729 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-14 23:49:14,730 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 23:49:14,730 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-14 23:49:14,771 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:49:14,771 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1446274987] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:49:14,771 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:49:14,771 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 31 [2021-06-14 23:49:14,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269695537] [2021-06-14 23:49:14,771 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-14 23:49:14,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:49:14,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-14 23:49:14,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=859, Unknown=0, NotChecked=0, Total=930 [2021-06-14 23:49:14,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:49:14,772 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:49:14,773 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.5483870967741935) internal successors, (48), 31 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 23:49:14,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:49:14,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:49:14,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:49:14,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:49:14,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:49:14,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:49:14,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:49:14,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:14,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:14,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:49:14,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:14,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:49:14,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:49:14,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:49:14,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:49:14,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:49:14,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:49:14,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:49:16,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:49:16,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:49:16,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:49:16,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:49:16,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:49:16,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:49:16,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:49:16,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:16,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:16,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:49:16,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:16,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:49:16,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:49:16,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:49:16,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:49:16,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:49:16,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:49:16,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:49:16,360 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable395,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:49:16,360 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:49:16,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:49:16,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1282384382, now seen corresponding path program 18 times [2021-06-14 23:49:16,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:49:16,361 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397203212] [2021-06-14 23:49:16,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:49:16,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:49:16,757 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:49:16,758 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:49:16,758 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397203212] [2021-06-14 23:49:16,758 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397203212] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:49:16,758 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1588481494] [2021-06-14 23:49:16,758 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 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:49:16,795 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-14 23:49:16,795 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 23:49:16,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 40 conjunts are in the unsatisfiable core [2021-06-14 23:49:16,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:49:17,020 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:17,021 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:17,021 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 [2021-06-14 23:49:17,022 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:17,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:17,029 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 [2021-06-14 23:49:17,030 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:17,060 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:49:17,064 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 2 xjuncts. [2021-06-14 23:49:17,064 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:79, output treesize:65 [2021-06-14 23:49:17,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:17,526 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:17,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:17,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:17,528 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:17,530 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 49 treesize of output 35 [2021-06-14 23:49:17,531 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-14 23:49:17,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:17,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:17,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:17,537 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:17,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:17,540 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:17,541 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 47 treesize of output 33 [2021-06-14 23:49:17,542 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:17,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:17,547 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:17,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:17,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:17,549 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:17,551 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 27 [2021-06-14 23:49:17,552 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:17,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:17,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:17,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:17,558 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:17,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:17,559 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 37 treesize of output 25 [2021-06-14 23:49:17,560 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:17,669 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2021-06-14 23:49:17,669 INFO L628 ElimStorePlain]: treesize reduction 44, result has 73.0 percent of original size [2021-06-14 23:49:17,673 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:17,673 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:17,674 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 [2021-06-14 23:49:17,674 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:17,678 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:17,678 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:17,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-14 23:49:17,679 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:17,682 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:17,683 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 [2021-06-14 23:49:17,683 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:17,691 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:49:17,738 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:49:17,740 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-14 23:49:17,740 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 6 variables, input treesize:261, output treesize:55 [2021-06-14 23:49:17,850 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:49:17,850 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1588481494] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:49:17,850 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:49:17,850 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 27 [2021-06-14 23:49:17,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968109108] [2021-06-14 23:49:17,851 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-14 23:49:17,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:49:17,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-14 23:49:17,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=645, Unknown=0, NotChecked=0, Total=702 [2021-06-14 23:49:17,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:49:17,852 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:49:17,852 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.4814814814814814) internal successors, (40), 27 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 23:49:17,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:49:17,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:49:17,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:49:17,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:49:17,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:49:17,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:49:17,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:49:17,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:17,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:17,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:49:17,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:17,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:49:17,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:49:17,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:49:17,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:49:17,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:49:17,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:49:17,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:49:17,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:49:18,840 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2021-06-14 23:49:19,237 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2021-06-14 23:49:19,460 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 90 [2021-06-14 23:49:19,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:49:19,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:49:19,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:49:19,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:49:19,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:49:19,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:49:19,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:49:19,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:19,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:19,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:49:19,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:19,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:49:19,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:49:19,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:49:19,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:49:19,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:49:19,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:49:19,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:49:19,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:49:19,827 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable402 [2021-06-14 23:49:19,827 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:49:19,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:49:19,827 INFO L82 PathProgramCache]: Analyzing trace with hash 761127272, now seen corresponding path program 19 times [2021-06-14 23:49:19,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:49:19,828 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381630334] [2021-06-14 23:49:19,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:49:19,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:49:20,089 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:49:20,089 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:49:20,089 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381630334] [2021-06-14 23:49:20,089 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381630334] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:49:20,089 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1306480454] [2021-06-14 23:49:20,089 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 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:49:20,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:49:20,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-14 23:49:20,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:49:20,261 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:20,262 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 [2021-06-14 23:49:20,263 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:20,265 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 [2021-06-14 23:49:20,265 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:20,281 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:49:20,282 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 23:49:20,282 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:53, output treesize:39 [2021-06-14 23:49:20,395 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:20,396 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 [2021-06-14 23:49:20,401 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:20,403 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 [2021-06-14 23:49:20,404 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:20,419 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-14 23:49:20,419 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-14 23:49:20,419 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 23:49:20,420 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-14 23:49:20,446 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:49:20,446 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1306480454] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:49:20,446 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:49:20,446 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 25 [2021-06-14 23:49:20,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607975190] [2021-06-14 23:49:20,447 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-14 23:49:20,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:49:20,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-14 23:49:20,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=542, Unknown=0, NotChecked=0, Total=600 [2021-06-14 23:49:20,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:49:20,447 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:49:20,447 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.52) internal successors, (38), 25 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 23:49:20,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:49:20,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:49:20,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:49:20,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:49:20,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:49:20,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:49:20,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:49:20,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:20,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:20,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:49:20,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:20,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:49:20,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:49:20,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:49:20,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:49:20,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:49:20,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:49:20,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:49:20,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:49:20,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:49:21,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:49:21,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:49:21,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:49:21,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:49:21,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:49:21,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:49:21,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:49:21,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:21,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:21,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:49:21,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:21,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:49:21,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:49:21,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:49:21,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:49:21,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:49:21,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:49:21,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:49:21,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:49:21,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:49:21,235 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable422 [2021-06-14 23:49:21,235 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:49:21,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:49:21,235 INFO L82 PathProgramCache]: Analyzing trace with hash 2120769136, now seen corresponding path program 20 times [2021-06-14 23:49:21,235 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:49:21,236 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451910234] [2021-06-14 23:49:21,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:49:21,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:49:21,868 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:49:21,868 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:49:21,868 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451910234] [2021-06-14 23:49:21,868 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451910234] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:49:21,868 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1597515427] [2021-06-14 23:49:21,868 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 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:49:21,908 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 23:49:21,908 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 23:49:21,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 59 conjunts are in the unsatisfiable core [2021-06-14 23:49:21,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:49:22,758 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 150 [2021-06-14 23:49:23,144 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 154 [2021-06-14 23:49:23,539 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 158 [2021-06-14 23:49:23,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:23,676 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:23,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:23,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:23,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:23,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:23,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:23,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:23,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:23,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:23,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:23,684 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:23,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:23,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:23,686 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:23,687 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:23,688 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:23,697 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:23,699 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:23,700 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:23,701 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 101 treesize of output 69 [2021-06-14 23:49:23,703 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:23,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:23,713 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:23,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:23,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:23,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:23,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:23,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:23,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:23,718 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:23,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:23,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:23,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:23,721 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:23,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:23,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:23,724 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:23,725 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:23,731 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:23,735 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:23,737 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:23,738 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 91 treesize of output 61 [2021-06-14 23:49:23,739 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:23,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:23,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:23,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:23,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:23,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:23,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:23,752 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:23,753 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:23,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:23,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:23,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:23,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:23,757 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:23,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:23,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:23,759 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:23,759 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 91 treesize of output 61 [2021-06-14 23:49:23,761 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:23,981 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2021-06-14 23:49:23,981 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:49:23,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:23,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:23,992 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:23,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:23,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:23,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:23,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:23,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:23,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:23,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:23,999 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:24,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:24,001 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:24,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:24,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:24,003 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:24,006 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:24,014 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:24,016 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:24,018 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:24,019 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 91 treesize of output 61 [2021-06-14 23:49:24,021 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:24,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:24,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:24,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:24,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:24,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:24,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:24,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:24,035 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:24,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:24,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:24,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:24,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:24,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:24,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:24,042 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:24,042 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:24,043 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:24,050 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:24,056 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:24,057 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:24,058 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 53 [2021-06-14 23:49:24,059 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:24,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:24,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:24,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:24,070 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:24,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:24,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:24,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:24,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:24,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:24,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:24,076 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:24,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:24,078 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:24,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:24,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:24,080 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:24,080 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 53 [2021-06-14 23:49:24,082 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:24,223 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2021-06-14 23:49:24,224 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:49:24,254 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 2 dim-1 vars, End of recursive call: 12 dim-0 vars, and 6 xjuncts. [2021-06-14 23:49:24,254 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 10 variables, input treesize:638, output treesize:482 [2021-06-14 23:49:25,054 WARN L205 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 175 [2021-06-14 23:49:26,686 WARN L205 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-06-14 23:49:27,209 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-06-14 23:49:27,736 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-06-14 23:49:27,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:27,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:27,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:27,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:27,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:27,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:27,958 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:27,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:27,964 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:27,966 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 62 treesize of output 44 [2021-06-14 23:49:27,968 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:27,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:27,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:27,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:27,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:27,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:27,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:27,985 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:27,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:27,986 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 [2021-06-14 23:49:27,989 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:28,520 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 224 [2021-06-14 23:49:28,520 INFO L628 ElimStorePlain]: treesize reduction 321, result has 64.6 percent of original size [2021-06-14 23:49:28,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:28,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:28,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:28,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:28,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:28,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:28,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:28,535 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:28,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:28,543 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:28,544 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 [2021-06-14 23:49:28,546 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:28,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:28,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:28,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:28,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:28,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:28,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:28,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:28,560 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:28,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:28,562 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 62 treesize of output 44 [2021-06-14 23:49:28,564 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:28,733 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-06-14 23:49:28,734 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:49:28,742 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:28,742 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 [2021-06-14 23:49:28,743 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:28,913 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-06-14 23:49:28,913 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:49:28,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:28,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:28,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:28,926 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:28,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:28,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:28,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:28,931 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:28,934 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 62 treesize of output 44 [2021-06-14 23:49:28,936 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:28,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:28,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:28,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:28,947 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:28,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:28,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:28,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:28,949 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 [2021-06-14 23:49:28,951 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:29,091 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2021-06-14 23:49:29,092 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:49:29,100 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:29,101 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:29,101 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 [2021-06-14 23:49:29,102 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:29,110 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:29,110 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 20 treesize of output 9 [2021-06-14 23:49:29,114 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:29,249 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2021-06-14 23:49:29,250 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:49:29,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:29,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:29,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:29,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:29,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:29,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:29,262 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 41 treesize of output 27 [2021-06-14 23:49:29,264 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:29,389 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2021-06-14 23:49:29,390 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:49:29,390 INFO L518 ElimStorePlain]: Eliminatee v_prenex_124 vanished before elimination [2021-06-14 23:49:29,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:29,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:29,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:29,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:29,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:29,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:29,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 27 [2021-06-14 23:49:29,404 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:29,519 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2021-06-14 23:49:29,519 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:49:29,519 INFO L518 ElimStorePlain]: Eliminatee v_prenex_126 vanished before elimination [2021-06-14 23:49:29,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:29,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:29,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:29,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:29,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:29,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:29,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:29,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:29,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:29,532 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:29,532 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 [2021-06-14 23:49:29,536 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2021-06-14 23:49:29,660 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-06-14 23:49:29,661 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:49:29,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:29,668 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:29,668 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 [2021-06-14 23:49:29,669 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:29,674 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:29,675 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 [2021-06-14 23:49:29,675 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:29,685 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:49:29,795 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-06-14 23:49:29,796 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:49:29,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:29,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:29,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:29,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:29,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:29,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:29,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:29,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:29,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:29,807 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:29,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-06-14 23:49:29,810 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 2 xjuncts. [2021-06-14 23:49:29,918 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-06-14 23:49:29,918 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:49:29,924 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:29,924 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:29,925 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 [2021-06-14 23:49:29,925 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:29,930 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:29,931 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 [2021-06-14 23:49:29,931 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:29,941 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:49:30,048 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-06-14 23:49:30,049 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:49:30,068 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:30,069 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:30,070 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 24 treesize of output 9 [2021-06-14 23:49:30,070 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:30,078 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:30,078 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 [2021-06-14 23:49:30,079 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:30,183 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-06-14 23:49:30,184 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:49:30,188 INFO L550 ElimStorePlain]: Start of recursive call 1: 14 dim-0 vars, 14 dim-1 vars, End of recursive call: and 11 xjuncts. [2021-06-14 23:49:30,188 INFO L247 ElimStorePlain]: Needed 20 recursive calls to eliminate 28 variables, input treesize:989, output treesize:85 [2021-06-14 23:49:30,278 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:49:30,278 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1597515427] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:49:30,278 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:49:30,278 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18] total 33 [2021-06-14 23:49:30,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174362880] [2021-06-14 23:49:30,279 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-06-14 23:49:30,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:49:30,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-06-14 23:49:30,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=980, Unknown=0, NotChecked=0, Total=1056 [2021-06-14 23:49:30,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:49:30,279 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:49:30,279 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 1.393939393939394) internal successors, (46), 33 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 23:49:30,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:49:30,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:49:30,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:49:30,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:49:30,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:49:30,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:49:30,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:49:30,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:30,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:30,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:49:30,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:30,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:49:30,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:49:30,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:49:30,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:49:30,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:49:30,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:49:30,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:49:30,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:49:30,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:49:30,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:49:31,609 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2021-06-14 23:49:31,981 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 108 [2021-06-14 23:49:33,976 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2021-06-14 23:49:35,719 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 188 DAG size of output: 184 [2021-06-14 23:49:36,908 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2021-06-14 23:49:38,054 WARN L205 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2021-06-14 23:49:38,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:49:38,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:49:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:49:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:49:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:49:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:49:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:49:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:49:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:49:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:49:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:49:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:49:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:49:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:49:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:49:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:49:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:49:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:49:38,373 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable425,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:49:38,373 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:49:38,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:49:38,373 INFO L82 PathProgramCache]: Analyzing trace with hash 1319993960, now seen corresponding path program 21 times [2021-06-14 23:49:38,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:49:38,374 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133480274] [2021-06-14 23:49:38,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:49:38,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:49:38,918 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:49:38,918 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:49:38,918 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133480274] [2021-06-14 23:49:38,918 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133480274] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:49:38,918 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1637684090] [2021-06-14 23:49:38,918 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 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:49:38,961 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-14 23:49:38,961 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 23:49:38,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-14 23:49:38,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:49:39,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:39,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:39,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:39,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:39,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:39,711 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:39,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:39,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:39,716 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:39,719 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 [2021-06-14 23:49:39,721 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:39,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:39,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:39,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:39,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:39,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:39,728 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:39,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:39,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:39,734 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:39,735 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 [2021-06-14 23:49:39,737 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:39,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:39,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:39,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:39,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:39,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:39,745 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:39,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:39,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:39,750 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:39,752 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 [2021-06-14 23:49:39,753 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:39,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:39,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:39,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:39,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:39,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:39,760 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:39,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:39,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:39,762 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 [2021-06-14 23:49:39,764 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-06-14 23:49:39,837 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:49:39,844 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. [2021-06-14 23:49:39,844 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:319, output treesize:175 [2021-06-14 23:49:40,318 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2021-06-14 23:49:41,209 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:41,210 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:41,210 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 [2021-06-14 23:49:41,211 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:41,220 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:41,221 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:41,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-14 23:49:41,222 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:41,246 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:41,247 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:41,249 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 [2021-06-14 23:49:41,250 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:41,259 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:41,260 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:41,261 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 18 treesize of output 14 [2021-06-14 23:49:41,262 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:41,271 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:41,271 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:41,272 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 19 treesize of output 15 [2021-06-14 23:49:41,273 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:41,281 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:41,282 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:41,282 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 [2021-06-14 23:49:41,284 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:41,293 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:41,294 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:41,294 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 [2021-06-14 23:49:41,295 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:41,304 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:41,305 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:41,305 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 [2021-06-14 23:49:41,307 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:41,316 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:41,316 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:41,317 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 [2021-06-14 23:49:41,317 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:41,324 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:41,324 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:41,325 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 16 treesize of output 12 [2021-06-14 23:49:41,325 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:41,332 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:41,332 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:41,333 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 [2021-06-14 23:49:41,333 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:41,340 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:41,340 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 [2021-06-14 23:49:41,341 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:41,673 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 82 [2021-06-14 23:49:41,674 INFO L628 ElimStorePlain]: treesize reduction 131, result has 66.4 percent of original size [2021-06-14 23:49:41,680 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:41,680 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:41,681 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 20 treesize of output 9 [2021-06-14 23:49:41,681 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:41,687 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:41,688 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:41,688 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 [2021-06-14 23:49:41,688 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:41,694 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:41,694 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 [2021-06-14 23:49:41,695 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:41,826 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-06-14 23:49:41,827 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:49:41,830 INFO L550 ElimStorePlain]: Start of recursive call 1: 12 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-06-14 23:49:41,831 INFO L247 ElimStorePlain]: Needed 16 recursive calls to eliminate 14 variables, input treesize:533, output treesize:103 [2021-06-14 23:49:42,006 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:49:42,006 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1637684090] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:49:42,006 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:49:42,006 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 32 [2021-06-14 23:49:42,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46223949] [2021-06-14 23:49:42,006 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-14 23:49:42,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:49:42,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-14 23:49:42,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=927, Unknown=0, NotChecked=0, Total=992 [2021-06-14 23:49:42,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:49:42,007 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:49:42,007 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 1.40625) internal successors, (45), 32 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 23:49:42,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:49:42,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:49:42,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:49:42,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:49:42,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:49:42,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:49:42,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:49:42,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:42,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:42,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:49:42,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:42,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:49:42,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:49:42,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:49:42,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:49:42,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:49:42,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:49:42,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:49:42,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:49:42,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:49:42,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:49:42,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:49:43,650 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 86 [2021-06-14 23:49:43,990 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 91 [2021-06-14 23:49:44,389 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2021-06-14 23:49:44,722 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 84 [2021-06-14 23:49:45,327 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 129 [2021-06-14 23:49:45,602 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 90 [2021-06-14 23:49:46,304 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 135 [2021-06-14 23:49:47,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:49:47,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:49:47,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:49:47,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:49:47,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:49:47,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:49:47,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:49:47,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:47,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:47,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:49:47,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:47,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:49:47,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:49:47,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:49:47,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:49:47,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:49:47,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:49:47,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:49:47,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:49:47,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:49:47,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:49:47,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 23:49:47,739 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable474 [2021-06-14 23:49:47,739 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:49:47,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:49:47,739 INFO L82 PathProgramCache]: Analyzing trace with hash -591107238, now seen corresponding path program 22 times [2021-06-14 23:49:47,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:49:47,740 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760197291] [2021-06-14 23:49:47,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:49:47,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:49:48,623 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:49:48,623 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:49:48,623 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760197291] [2021-06-14 23:49:48,624 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760197291] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:49:48,624 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611064578] [2021-06-14 23:49:48,624 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 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:49:48,665 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 23:49:48,665 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 23:49:48,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 49 conjunts are in the unsatisfiable core [2021-06-14 23:49:48,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:49:49,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:49,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:49,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:49,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:49,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:49,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:49,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:49,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:49,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:49,832 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:49,840 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:49,840 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 49 treesize of output 33 [2021-06-14 23:49:49,842 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:49,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:49,846 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:49,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:49,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:49,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:49,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:49,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:49,851 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:49,855 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 59 treesize of output 41 [2021-06-14 23:49:49,857 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:49,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:49,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:49,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:49,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:49,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:49,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:49,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:49,866 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:49,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:49,872 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:49,874 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 49 treesize of output 33 [2021-06-14 23:49:49,875 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:49,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:49,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:49,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:49,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:49,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:49,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:49,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:49,885 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:49,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:49,891 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:49,892 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 [2021-06-14 23:49:49,894 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:49,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:49,898 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:49,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:49,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:49,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:49,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:49,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:49,903 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:49,907 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 [2021-06-14 23:49:49,909 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:49,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:49,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:49,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:49,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:49,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:49,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:49,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:49,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:49,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:49:49,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:49,919 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 [2021-06-14 23:49:49,921 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:50,060 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2021-06-14 23:49:50,060 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.7 percent of original size [2021-06-14 23:49:50,065 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2021-06-14 23:49:50,065 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:415, output treesize:152 [2021-06-14 23:49:50,771 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:50,772 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:50,772 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 [2021-06-14 23:49:50,773 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:50,776 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:50,777 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 27 treesize of output 21 [2021-06-14 23:49:50,778 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-14 23:49:50,845 INFO L628 ElimStorePlain]: treesize reduction 65, result has 51.9 percent of original size [2021-06-14 23:49:50,848 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:50,849 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:50,849 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 [2021-06-14 23:49:50,850 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:50,852 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:50,853 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 [2021-06-14 23:49:50,853 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:50,861 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:49:50,881 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:49:50,883 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 [2021-06-14 23:49:50,884 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:50,903 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:49:50,903 INFO L518 ElimStorePlain]: Eliminatee v_prenex_158 vanished before elimination [2021-06-14 23:49:50,904 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-14 23:49:50,905 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 8 variables, input treesize:131, output treesize:18 [2021-06-14 23:49:50,956 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:49:50,957 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [611064578] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:49:50,957 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:49:50,957 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 35 [2021-06-14 23:49:50,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047147291] [2021-06-14 23:49:50,957 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-06-14 23:49:50,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:49:50,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-06-14 23:49:50,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=1115, Unknown=0, NotChecked=0, Total=1190 [2021-06-14 23:49:50,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:49:50,958 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:49:50,958 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 1.3714285714285714) internal successors, (48), 35 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 23:49:50,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:49:50,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:49:50,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:49:50,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:49:50,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:49:50,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:49:50,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:49:50,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:50,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:50,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:49:50,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:50,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:49:50,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:49:50,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:49:50,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:49:50,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:49:50,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:49:50,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:49:50,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:49:50,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:49:50,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:49:50,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 23:49:50,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:49:52,076 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2021-06-14 23:49:52,288 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 56 [2021-06-14 23:49:52,641 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 107 [2021-06-14 23:49:53,027 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 106 [2021-06-14 23:49:53,325 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 106 [2021-06-14 23:49:53,687 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2021-06-14 23:49:54,095 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2021-06-14 23:49:55,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:49:55,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:49:55,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:49:55,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:49:55,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:49:55,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:49:55,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:49:55,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:55,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:55,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:49:55,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:55,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:49:55,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:49:55,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:49:55,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:49:55,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:49:55,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:49:55,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:49:55,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:49:55,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:49:55,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:49:55,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-14 23:49:55,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:49:55,246 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable540,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:49:55,246 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:49:55,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:49:55,247 INFO L82 PathProgramCache]: Analyzing trace with hash -1143795010, now seen corresponding path program 23 times [2021-06-14 23:49:55,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:49:55,247 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775098298] [2021-06-14 23:49:55,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:49:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:49:55,557 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:49:55,557 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:49:55,557 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775098298] [2021-06-14 23:49:55,557 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775098298] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:49:55,557 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1095844750] [2021-06-14 23:49:55,557 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 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:49:55,602 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-14 23:49:55,602 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 23:49:55,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 38 conjunts are in the unsatisfiable core [2021-06-14 23:49:55,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:49:55,968 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 [2021-06-14 23:49:55,969 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:55,972 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:55,973 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:55,973 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 [2021-06-14 23:49:55,974 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:55,977 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 [2021-06-14 23:49:55,977 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:55,980 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:55,981 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:55,981 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 [2021-06-14 23:49:55,982 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:55,984 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 [2021-06-14 23:49:55,985 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:55,988 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 [2021-06-14 23:49:55,989 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:56,061 INFO L628 ElimStorePlain]: treesize reduction 34, result has 66.7 percent of original size [2021-06-14 23:49:56,062 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2021-06-14 23:49:56,063 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:155, output treesize:62 [2021-06-14 23:49:56,365 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:56,366 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:56,366 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 [2021-06-14 23:49:56,367 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:56,369 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 [2021-06-14 23:49:56,370 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:56,373 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 [2021-06-14 23:49:56,374 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:56,376 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:56,376 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 [2021-06-14 23:49:56,377 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:56,410 INFO L628 ElimStorePlain]: treesize reduction 36, result has 41.0 percent of original size [2021-06-14 23:49:56,410 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-14 23:49:56,411 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 23:49:56,411 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:99, output treesize:13 [2021-06-14 23:49:56,447 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:49:56,448 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1095844750] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:49:56,448 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:49:56,448 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 31 [2021-06-14 23:49:56,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343081305] [2021-06-14 23:49:56,448 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-14 23:49:56,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:49:56,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-14 23:49:56,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=856, Unknown=0, NotChecked=0, Total=930 [2021-06-14 23:49:56,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:49:56,449 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:49:56,449 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.4193548387096775) internal successors, (44), 31 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 23:49:56,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:49:56,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:49:56,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:49:56,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:49:56,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:49:56,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:49:56,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:49:56,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:56,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:56,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:49:56,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:56,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:49:56,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:49:56,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:49:56,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:49:56,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:49:56,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:49:56,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:49:56,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:49:56,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:49:56,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:49:56,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-14 23:49:56,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:49:56,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:49:57,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:49:57,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:49:57,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:49:57,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:49:57,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:49:57,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:49:57,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:49:57,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:57,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:57,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:49:57,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:57,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:49:57,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:49:57,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:49:57,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:49:57,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:49:57,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:49:57,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:49:57,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:49:57,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:49:57,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:49:57,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:49:57,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:49:57,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:49:57,860 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable563 [2021-06-14 23:49:57,860 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:49:57,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:49:57,861 INFO L82 PathProgramCache]: Analyzing trace with hash 1703569862, now seen corresponding path program 24 times [2021-06-14 23:49:57,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:49:57,861 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228742924] [2021-06-14 23:49:57,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:49:57,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:49:58,126 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:49:58,127 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:49:58,127 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228742924] [2021-06-14 23:49:58,127 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228742924] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:49:58,127 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [992867391] [2021-06-14 23:49:58,127 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 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:49:58,165 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-14 23:49:58,166 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 23:49:58,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 33 conjunts are in the unsatisfiable core [2021-06-14 23:49:58,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:49:58,314 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:58,315 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 [2021-06-14 23:49:58,316 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:58,318 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 [2021-06-14 23:49:58,318 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:58,335 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:49:58,336 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 23:49:58,336 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:53, output treesize:39 [2021-06-14 23:49:58,477 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:58,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-14 23:49:58,478 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:58,480 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:49:58,480 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 [2021-06-14 23:49:58,481 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:58,483 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 [2021-06-14 23:49:58,484 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:58,486 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 23:49:58,486 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:49:58,502 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-06-14 23:49:58,502 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-14 23:49:58,503 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 23:49:58,503 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-14 23:49:58,534 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:49:58,534 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [992867391] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:49:58,534 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:49:58,534 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 26 [2021-06-14 23:49:58,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432325320] [2021-06-14 23:49:58,534 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-14 23:49:58,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:49:58,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-14 23:49:58,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=590, Unknown=0, NotChecked=0, Total=650 [2021-06-14 23:49:58,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:49:58,535 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:49:58,535 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) [2021-06-14 23:49:58,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:49:58,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:49:58,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:49:58,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:49:58,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:49:58,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:49:58,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:49:58,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:58,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:58,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:49:58,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:58,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:49:58,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:49:58,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:49:58,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:49:58,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:49:58,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:49:58,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:49:58,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:49:58,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:49:58,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:49:58,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:49:58,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:49:58,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:49:58,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:49:59,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:49:59,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:49:59,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:49:59,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:49:59,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:49:59,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:49:59,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:49:59,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:59,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:59,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:49:59,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:49:59,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:49:59,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:49:59,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:49:59,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:49:59,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:49:59,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:49:59,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:49:59,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:49:59,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:49:59,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:49:59,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:49:59,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:49:59,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:49:59,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:49:59,389 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable572,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:49:59,389 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:49:59,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:49:59,390 INFO L82 PathProgramCache]: Analyzing trace with hash -639382844, now seen corresponding path program 25 times [2021-06-14 23:49:59,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:49:59,390 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16459357] [2021-06-14 23:49:59,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:49:59,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:49:59,810 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:49:59,810 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:49:59,810 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16459357] [2021-06-14 23:49:59,811 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16459357] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:49:59,811 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1144494421] [2021-06-14 23:49:59,811 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 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:49:59,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:49:59,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 49 conjunts are in the unsatisfiable core [2021-06-14 23:49:59,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:50:00,046 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 [2021-06-14 23:50:00,047 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:00,049 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 [2021-06-14 23:50:00,050 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:00,067 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:50:00,068 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 23:50:00,068 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:55, output treesize:41 [2021-06-14 23:50:00,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:00,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:00,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:00,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:00,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:00,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:00,397 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:00,398 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 [2021-06-14 23:50:00,400 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:00,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:00,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:00,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:00,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:00,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:00,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:00,410 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:00,412 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 [2021-06-14 23:50:00,414 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-14 23:50:00,417 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 23:50:00,418 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:00,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:00,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:00,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:00,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:00,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:00,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:00,424 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 [2021-06-14 23:50:00,426 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:00,469 INFO L628 ElimStorePlain]: treesize reduction 32, result has 65.2 percent of original size [2021-06-14 23:50:00,472 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:00,472 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 11 treesize of output 3 [2021-06-14 23:50:00,473 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:00,475 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 [2021-06-14 23:50:00,475 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:00,483 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:50:00,503 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:50:00,510 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 23:50:00,510 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:257, output treesize:38 [2021-06-14 23:50:00,611 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:50:00,611 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1144494421] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:50:00,611 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:50:00,611 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 31 [2021-06-14 23:50:00,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101127744] [2021-06-14 23:50:00,612 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-14 23:50:00,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:50:00,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-14 23:50:00,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=857, Unknown=0, NotChecked=0, Total=930 [2021-06-14 23:50:00,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:50:00,613 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:50:00,613 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.3870967741935485) internal successors, (43), 31 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) [2021-06-14 23:50:00,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:50:00,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:50:00,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:00,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:50:00,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:50:00,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:50:00,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:50:00,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:00,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:00,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:50:00,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:00,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:50:00,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:50:00,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:00,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:50:00,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:50:00,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:00,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:50:00,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:00,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:50:00,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:00,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:50:00,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:00,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:00,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:00,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:50:01,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:50:01,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:50:01,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:01,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:50:01,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:50:01,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:50:01,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:50:01,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:01,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:01,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:50:01,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:01,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:50:01,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:50:01,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:01,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:50:01,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:50:01,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:01,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:50:01,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:01,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:50:01,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:01,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:50:01,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:01,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:01,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:01,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:01,930 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable578 [2021-06-14 23:50:01,930 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:50:01,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:50:01,931 INFO L82 PathProgramCache]: Analyzing trace with hash 1654628500, now seen corresponding path program 26 times [2021-06-14 23:50:01,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:50:01,931 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063451672] [2021-06-14 23:50:01,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:50:01,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:50:02,236 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:50:02,236 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:50:02,236 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063451672] [2021-06-14 23:50:02,236 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063451672] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:50:02,236 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1914996418] [2021-06-14 23:50:02,236 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 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:50:02,277 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 23:50:02,277 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 23:50:02,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 38 conjunts are in the unsatisfiable core [2021-06-14 23:50:02,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:50:02,469 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:02,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-14 23:50:02,471 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:02,473 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 [2021-06-14 23:50:02,473 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:02,490 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:50:02,491 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 23:50:02,491 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:53, output treesize:39 [2021-06-14 23:50:02,677 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:02,678 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 [2021-06-14 23:50:02,679 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:02,681 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 [2021-06-14 23:50:02,682 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:02,684 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 [2021-06-14 23:50:02,685 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:02,687 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 [2021-06-14 23:50:02,688 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:02,706 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-06-14 23:50:02,706 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-14 23:50:02,706 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 23:50:02,706 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-14 23:50:02,740 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:50:02,741 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1914996418] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:50:02,741 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:50:02,741 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 30 [2021-06-14 23:50:02,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083499270] [2021-06-14 23:50:02,741 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-14 23:50:02,741 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:50:02,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-14 23:50:02,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=800, Unknown=0, NotChecked=0, Total=870 [2021-06-14 23:50:02,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:50:02,742 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:50:02,742 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) [2021-06-14 23:50:02,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:50:02,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:50:02,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:02,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:50:02,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:50:02,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:50:02,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:50:02,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:02,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:02,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:50:02,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:02,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:50:02,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:50:02,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:02,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:50:02,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:50:02,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:02,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:50:02,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:02,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:50:02,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:02,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:50:02,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:02,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:02,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:02,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:02,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:50:03,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:50:03,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:50:03,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:03,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:50:03,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:50:03,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:50:03,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:50:03,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:03,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:03,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:50:03,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:03,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:50:03,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:50:03,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:03,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:50:03,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:50:03,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:03,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:50:03,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:03,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:50:03,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:03,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:50:03,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:03,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:03,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:03,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:03,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:03,784 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable594,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:50:03,784 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:50:03,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:50:03,785 INFO L82 PathProgramCache]: Analyzing trace with hash -256472698, now seen corresponding path program 27 times [2021-06-14 23:50:03,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:50:03,785 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75830743] [2021-06-14 23:50:03,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:50:03,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:50:04,069 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:50:04,070 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:50:04,070 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75830743] [2021-06-14 23:50:04,070 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75830743] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:50:04,070 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1421269975] [2021-06-14 23:50:04,070 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:50:04,117 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-14 23:50:04,117 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 23:50:04,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 38 conjunts are in the unsatisfiable core [2021-06-14 23:50:04,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:50:04,304 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:04,305 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 [2021-06-14 23:50:04,305 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:04,308 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 16 treesize of output 12 [2021-06-14 23:50:04,308 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:04,325 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:50:04,326 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 23:50:04,326 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:53, output treesize:39 [2021-06-14 23:50:04,514 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:04,514 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 [2021-06-14 23:50:04,515 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:04,517 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 [2021-06-14 23:50:04,517 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:04,534 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-14 23:50:04,535 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-14 23:50:04,535 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 23:50:04,535 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-14 23:50:04,567 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:50:04,567 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1421269975] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:50:04,567 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:50:04,568 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 30 [2021-06-14 23:50:04,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100247250] [2021-06-14 23:50:04,568 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-14 23:50:04,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:50:04,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-14 23:50:04,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=800, Unknown=0, NotChecked=0, Total=870 [2021-06-14 23:50:04,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:50:04,569 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:50:04,569 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 30 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) [2021-06-14 23:50:04,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:50:04,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:50:04,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:04,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:50:04,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:50:04,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:50:04,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:50:04,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:04,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:04,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:50:04,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:04,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:50:04,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:50:04,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:04,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:50:04,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:50:04,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:04,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:50:04,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:04,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:50:04,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:04,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:50:04,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:04,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:04,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:04,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:04,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:04,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:50:05,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:50:05,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:50:05,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:05,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:50:05,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:50:05,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:50:05,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:50:05,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:05,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:05,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:50:05,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:05,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:50:05,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:50:05,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:05,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:50:05,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:50:05,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:05,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:50:05,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:05,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:50:05,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:05,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:50:05,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:05,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:05,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:05,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:05,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:05,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:05,781 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable601 [2021-06-14 23:50:05,781 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:50:05,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:50:05,781 INFO L82 PathProgramCache]: Analyzing trace with hash 639941138, now seen corresponding path program 28 times [2021-06-14 23:50:05,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:50:05,781 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903963989] [2021-06-14 23:50:05,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:50:05,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:50:06,589 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:50:06,590 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:50:06,590 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903963989] [2021-06-14 23:50:06,590 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903963989] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:50:06,590 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1049855712] [2021-06-14 23:50:06,590 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 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:50:06,654 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 23:50:06,654 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 23:50:06,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 71 conjunts are in the unsatisfiable core [2021-06-14 23:50:06,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:50:07,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,804 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:07,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,813 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:07,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 49 [2021-06-14 23:50:07,818 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-14 23:50:07,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,829 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:07,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,832 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 69 treesize of output 47 [2021-06-14 23:50:07,835 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:07,928 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:50:07,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,942 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:07,952 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:07,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-14 23:50:07,955 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:07,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:07,968 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:07,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 41 [2021-06-14 23:50:07,971 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:08,019 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:50:08,025 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. [2021-06-14 23:50:08,025 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:331, output treesize:143 [2021-06-14 23:50:08,656 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-06-14 23:50:08,986 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-06-14 23:50:09,400 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-06-14 23:50:09,864 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2021-06-14 23:50:09,978 INFO L446 ElimStorePlain]: Different costs {15=[array_4], 45=[array_0]} [2021-06-14 23:50:09,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:09,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:09,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,014 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:10,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 49 [2021-06-14 23:50:10,022 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:10,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,043 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:10,048 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 79 treesize of output 55 [2021-06-14 23:50:10,051 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 4 xjuncts. [2021-06-14 23:50:10,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,068 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:10,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 50 [2021-06-14 23:50:10,074 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-14 23:50:10,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,095 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:10,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-14 23:50:10,101 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:10,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,118 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:10,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 49 [2021-06-14 23:50:10,125 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2021-06-14 23:50:10,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,142 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:10,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 47 [2021-06-14 23:50:10,148 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:10,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,165 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:10,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 57 [2021-06-14 23:50:10,172 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2021-06-14 23:50:10,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,190 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:10,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 42 [2021-06-14 23:50:10,198 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:10,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,217 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:10,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 41 [2021-06-14 23:50:10,224 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:10,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:10,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 47 [2021-06-14 23:50:10,239 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:10,554 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 85 [2021-06-14 23:50:10,555 INFO L628 ElimStorePlain]: treesize reduction 154, result has 70.3 percent of original size [2021-06-14 23:50:10,560 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:10,560 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:10,561 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 12 treesize of output 5 [2021-06-14 23:50:10,561 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:10,566 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:10,566 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:10,567 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 [2021-06-14 23:50:10,567 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:10,577 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:50:10,582 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:10,582 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:10,582 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 [2021-06-14 23:50:10,583 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:10,588 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:10,588 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:10,588 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 [2021-06-14 23:50:10,589 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:10,598 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:50:10,603 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:10,603 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:10,603 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 [2021-06-14 23:50:10,604 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:10,609 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:10,609 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:10,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 19 [2021-06-14 23:50:10,610 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:10,624 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:50:10,629 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:10,629 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:10,629 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 10 treesize of output 5 [2021-06-14 23:50:10,630 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:10,635 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:10,635 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:10,636 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 [2021-06-14 23:50:10,636 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:10,641 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:10,641 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:10,641 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 [2021-06-14 23:50:10,642 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:10,655 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:10,656 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:10,656 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 [2021-06-14 23:50:10,657 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:10,668 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:50:10,673 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:10,674 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 [2021-06-14 23:50:10,674 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:10,792 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-06-14 23:50:10,792 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:50:10,796 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-06-14 23:50:10,796 INFO L247 ElimStorePlain]: Needed 22 recursive calls to eliminate 7 variables, input treesize:859, output treesize:185 [2021-06-14 23:50:11,025 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2021-06-14 23:50:11,150 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:50:11,150 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1049855712] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:50:11,150 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:50:11,151 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21] total 40 [2021-06-14 23:50:11,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887572137] [2021-06-14 23:50:11,151 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-06-14 23:50:11,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:50:11,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-06-14 23:50:11,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=1478, Unknown=0, NotChecked=0, Total=1560 [2021-06-14 23:50:11,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:50:11,151 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:50:11,152 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.35) internal successors, (54), 40 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 23:50:11,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:50:11,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:50:11,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:11,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:50:11,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:50:11,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:50:11,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:50:11,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:11,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:11,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:50:11,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:11,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:50:11,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:50:11,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:11,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:50:11,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:50:11,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:11,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:50:11,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:11,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:50:11,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:11,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:50:11,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:11,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:11,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:11,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:11,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:11,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:11,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:50:13,321 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 87 [2021-06-14 23:50:13,903 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2021-06-14 23:50:14,965 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 82 [2021-06-14 23:50:15,586 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2021-06-14 23:50:16,161 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 101 [2021-06-14 23:50:16,860 WARN L205 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 106 [2021-06-14 23:50:17,629 WARN L205 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 152 [2021-06-14 23:50:18,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:50:18,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:50:18,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:18,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:50:18,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:50:18,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:50:18,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:50:18,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:18,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:18,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:50:18,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:18,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:50:18,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:50:18,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:18,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:50:18,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:50:18,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:18,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:50:18,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:18,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:50:18,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:18,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:50:18,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:18,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:18,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:18,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:18,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:18,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:18,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:50:18,226 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable604,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:50:18,226 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:50:18,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:50:18,226 INFO L82 PathProgramCache]: Analyzing trace with hash -1636001018, now seen corresponding path program 29 times [2021-06-14 23:50:18,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:50:18,227 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376673301] [2021-06-14 23:50:18,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:50:18,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:50:19,028 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:50:19,028 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:50:19,028 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376673301] [2021-06-14 23:50:19,028 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376673301] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:50:19,028 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1370242619] [2021-06-14 23:50:19,028 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 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:50:19,077 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-14 23:50:19,077 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 23:50:19,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 59 conjunts are in the unsatisfiable core [2021-06-14 23:50:19,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:50:19,663 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 80 [2021-06-14 23:50:19,944 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2021-06-14 23:50:20,547 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2021-06-14 23:50:20,953 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2021-06-14 23:50:21,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,145 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:21,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,157 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:21,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 47 [2021-06-14 23:50:21,163 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:21,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,181 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:21,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-14 23:50:21,186 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:21,330 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-06-14 23:50:21,330 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:50:21,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,340 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:21,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,349 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:21,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-14 23:50:21,356 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:21,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,365 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:21,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 41 [2021-06-14 23:50:21,372 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:21,476 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-06-14 23:50:21,477 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:50:21,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,488 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:21,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,497 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:21,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 49 [2021-06-14 23:50:21,503 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2021-06-14 23:50:21,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,518 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:21,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:21,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 47 [2021-06-14 23:50:21,522 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:21,601 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:50:21,629 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 3 dim-1 vars, End of recursive call: 12 dim-0 vars, and 6 xjuncts. [2021-06-14 23:50:21,629 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 9 variables, input treesize:475, output treesize:185 [2021-06-14 23:50:21,880 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 83 [2021-06-14 23:50:23,251 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:23,252 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:23,253 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 [2021-06-14 23:50:23,253 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:23,260 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:23,260 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:23,260 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 [2021-06-14 23:50:23,261 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:23,267 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:23,268 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:23,268 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 [2021-06-14 23:50:23,269 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:23,275 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:23,275 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:23,276 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 [2021-06-14 23:50:23,276 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:23,282 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:23,283 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:23,283 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 [2021-06-14 23:50:23,284 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:23,290 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:23,290 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:23,290 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 [2021-06-14 23:50:23,295 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:23,301 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:23,301 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:23,301 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 [2021-06-14 23:50:23,302 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:23,308 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:23,309 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:23,309 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 26 treesize of output 20 [2021-06-14 23:50:23,310 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:23,316 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:23,317 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:23,317 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 [2021-06-14 23:50:23,318 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:23,324 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:23,324 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:23,325 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 19 treesize of output 15 [2021-06-14 23:50:23,326 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:23,331 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:23,332 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:23,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-06-14 23:50:23,333 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:23,338 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:23,339 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 [2021-06-14 23:50:23,339 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:23,539 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 64 [2021-06-14 23:50:23,539 INFO L628 ElimStorePlain]: treesize reduction 137, result has 53.7 percent of original size [2021-06-14 23:50:23,544 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:23,545 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:23,545 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 [2021-06-14 23:50:23,546 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:23,550 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:23,551 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 [2021-06-14 23:50:23,551 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:23,625 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:50:23,629 INFO L550 ElimStorePlain]: Start of recursive call 1: 12 dim-0 vars, 2 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-14 23:50:23,629 INFO L247 ElimStorePlain]: Needed 15 recursive calls to eliminate 14 variables, input treesize:447, output treesize:58 [2021-06-14 23:50:23,818 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:50:23,818 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1370242619] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:50:23,819 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:50:23,819 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 37 [2021-06-14 23:50:23,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143775231] [2021-06-14 23:50:23,819 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-14 23:50:23,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:50:23,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-14 23:50:23,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=1256, Unknown=0, NotChecked=0, Total=1332 [2021-06-14 23:50:23,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:50:23,819 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:50:23,820 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 37 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 23:50:23,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:50:23,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:50:23,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:23,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:50:23,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:50:23,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:50:23,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:50:23,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:23,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:23,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:50:23,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:23,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:50:23,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:50:23,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:23,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:50:23,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:50:23,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:23,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:50:23,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:23,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:50:23,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:23,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:50:23,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:23,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:23,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:23,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:23,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:23,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:23,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:50:23,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:50:25,577 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 60 [2021-06-14 23:50:25,876 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 85 [2021-06-14 23:50:26,266 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 90 [2021-06-14 23:50:26,717 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 86 [2021-06-14 23:50:27,224 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 90 [2021-06-14 23:50:27,832 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-06-14 23:50:29,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:50:29,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:50:29,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:29,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:50:29,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:50:29,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:50:29,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:50:29,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:29,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:29,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:50:29,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:29,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:50:29,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:50:29,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:29,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:50:29,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:50:29,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:29,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:50:29,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:29,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:50:29,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:29,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:50:29,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:29,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:29,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:29,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:29,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:29,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:29,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:50:29,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 23:50:29,487 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable647,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:50:29,487 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:50:29,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:50:29,488 INFO L82 PathProgramCache]: Analyzing trace with hash -750596012, now seen corresponding path program 30 times [2021-06-14 23:50:29,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:50:29,488 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803770998] [2021-06-14 23:50:29,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:50:29,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:50:30,003 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:50:30,004 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:50:30,004 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803770998] [2021-06-14 23:50:30,004 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803770998] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:50:30,004 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [758818183] [2021-06-14 23:50:30,004 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 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:50:30,050 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-14 23:50:30,050 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 23:50:30,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 58 conjunts are in the unsatisfiable core [2021-06-14 23:50:30,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:50:31,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,384 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:31,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,392 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:31,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 40 [2021-06-14 23:50:31,401 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:31,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,407 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:31,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,415 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:31,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 40 [2021-06-14 23:50:31,422 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:31,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,429 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:31,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,436 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:31,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-14 23:50:31,443 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:31,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,449 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:31,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,456 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:31,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-14 23:50:31,464 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:31,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,478 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:31,489 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:31,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 47 [2021-06-14 23:50:31,491 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:31,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:31,507 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:31,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 48 [2021-06-14 23:50:31,510 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:31,678 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2021-06-14 23:50:31,678 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.8 percent of original size [2021-06-14 23:50:31,683 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2021-06-14 23:50:31,683 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:493, output treesize:161 [2021-06-14 23:50:32,343 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:32,344 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:32,344 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 [2021-06-14 23:50:32,345 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-14 23:50:32,348 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:32,348 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 [2021-06-14 23:50:32,349 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:32,382 INFO L628 ElimStorePlain]: treesize reduction 47, result has 44.0 percent of original size [2021-06-14 23:50:32,384 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:32,384 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 [2021-06-14 23:50:32,385 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:32,395 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:50:32,396 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 23:50:32,396 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:80, output treesize:11 [2021-06-14 23:50:32,446 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:50:32,447 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [758818183] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:50:32,447 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:50:32,447 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 40 [2021-06-14 23:50:32,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801622655] [2021-06-14 23:50:32,447 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-06-14 23:50:32,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:50:32,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-06-14 23:50:32,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1463, Unknown=0, NotChecked=0, Total=1560 [2021-06-14 23:50:32,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:50:32,448 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:50:32,448 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.35) internal successors, (54), 40 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 23:50:32,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:50:32,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:50:32,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:32,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:50:32,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:50:32,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:50:32,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:50:32,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:32,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:32,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:50:32,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:32,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:50:32,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:50:32,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:32,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:50:32,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:50:32,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:32,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:50:32,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:32,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:50:32,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:32,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:50:32,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:32,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:32,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:32,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:32,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:32,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:32,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:50:32,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 23:50:32,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:50:33,698 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2021-06-14 23:50:34,086 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 115 [2021-06-14 23:50:35,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:50:35,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:50:35,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:35,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:50:35,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:50:35,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:50:35,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:50:35,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:35,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:35,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:50:35,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:35,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:50:35,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:50:35,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:35,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:50:35,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:50:35,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:35,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:50:35,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:35,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:50:35,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:35,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:50:35,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:35,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:35,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:35,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:35,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:35,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:35,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:50:35,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 23:50:35,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:50:35,344 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable720 [2021-06-14 23:50:35,345 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:50:35,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:50:35,345 INFO L82 PathProgramCache]: Analyzing trace with hash -1792979708, now seen corresponding path program 31 times [2021-06-14 23:50:35,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:50:35,345 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536808124] [2021-06-14 23:50:35,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:50:35,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:50:35,767 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:50:35,767 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:50:35,767 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536808124] [2021-06-14 23:50:35,768 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536808124] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:50:35,768 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1515074547] [2021-06-14 23:50:35,768 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 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:50:35,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:50:35,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 44 conjunts are in the unsatisfiable core [2021-06-14 23:50:35,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:50:36,263 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 [2021-06-14 23:50:36,264 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:36,267 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 [2021-06-14 23:50:36,268 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:36,271 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 [2021-06-14 23:50:36,272 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:36,275 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:36,275 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:36,276 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 [2021-06-14 23:50:36,277 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:36,279 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 [2021-06-14 23:50:36,280 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:36,283 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:36,283 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 [2021-06-14 23:50:36,284 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:36,356 INFO L628 ElimStorePlain]: treesize reduction 34, result has 66.7 percent of original size [2021-06-14 23:50:36,370 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2021-06-14 23:50:36,370 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:155, output treesize:62 [2021-06-14 23:50:36,736 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:36,737 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:36,737 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 [2021-06-14 23:50:36,739 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:36,742 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 [2021-06-14 23:50:36,743 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:36,745 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 [2021-06-14 23:50:36,746 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:36,749 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:36,749 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 16 treesize of output 12 [2021-06-14 23:50:36,750 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:36,786 INFO L628 ElimStorePlain]: treesize reduction 36, result has 41.0 percent of original size [2021-06-14 23:50:36,786 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-14 23:50:36,787 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 23:50:36,787 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:99, output treesize:13 [2021-06-14 23:50:36,833 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:50:36,834 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1515074547] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:50:36,834 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:50:36,834 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 36 [2021-06-14 23:50:36,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761698709] [2021-06-14 23:50:36,834 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-14 23:50:36,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:50:36,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-14 23:50:36,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1174, Unknown=0, NotChecked=0, Total=1260 [2021-06-14 23:50:36,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:50:36,835 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:50:36,835 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 36 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 23:50:36,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:50:36,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:50:36,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:36,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:50:36,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:50:36,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:50:36,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:50:36,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:36,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:36,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:50:36,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:36,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:50:36,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:50:36,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:36,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:50:36,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:50:36,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:36,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:50:36,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:36,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:50:36,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:36,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:50:36,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:36,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:36,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:36,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:36,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:36,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:36,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:50:36,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 23:50:36,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:50:36,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:50:38,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:50:38,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:50:38,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:38,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:50:38,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:50:38,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:50:38,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:50:38,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:38,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:38,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:50:38,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:38,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:50:38,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:50:38,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:38,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:50:38,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:50:38,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:38,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:50:38,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:38,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:50:38,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:38,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:50:38,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:38,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:38,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:38,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:38,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:38,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:38,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:50:38,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 23:50:38,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:50:38,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:50:39,103 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable740 [2021-06-14 23:50:39,107 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:50:39,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:50:39,108 INFO L82 PathProgramCache]: Analyzing trace with hash 101186878, now seen corresponding path program 32 times [2021-06-14 23:50:39,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:50:39,108 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315731450] [2021-06-14 23:50:39,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:50:39,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:50:39,563 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:50:39,564 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:50:39,564 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315731450] [2021-06-14 23:50:39,564 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315731450] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:50:39,564 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [421347566] [2021-06-14 23:50:39,564 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 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:50:39,606 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 23:50:39,607 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 23:50:39,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 58 conjunts are in the unsatisfiable core [2021-06-14 23:50:39,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:50:40,001 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:40,001 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:40,001 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 15 treesize of output 11 [2021-06-14 23:50:40,002 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:40,005 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:40,005 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 17 treesize of output 13 [2021-06-14 23:50:40,006 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:40,037 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:50:40,041 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 2 xjuncts. [2021-06-14 23:50:40,041 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:79, output treesize:65 [2021-06-14 23:50:40,715 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-06-14 23:50:40,960 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-06-14 23:50:41,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:41,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:41,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:41,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:41,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:41,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:41,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:41,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:41,036 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:41,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:41,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:41,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:41,044 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:41,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 41 [2021-06-14 23:50:41,048 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:41,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:41,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:41,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:41,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:41,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:41,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:41,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:41,057 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:41,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:41,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:41,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:41,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:41,065 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:41,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-14 23:50:41,070 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:41,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:41,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:41,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:41,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:41,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:41,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:41,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:41,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:41,080 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:41,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:41,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:41,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:41,088 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:41,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 49 [2021-06-14 23:50:41,092 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-14 23:50:41,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:41,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:41,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:41,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:41,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:41,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:41,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:41,101 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:41,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:41,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:41,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:41,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:41,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 47 [2021-06-14 23:50:41,106 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:41,226 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2021-06-14 23:50:41,227 INFO L628 ElimStorePlain]: treesize reduction 44, result has 73.0 percent of original size [2021-06-14 23:50:41,230 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:41,231 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:41,231 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 9 treesize of output 3 [2021-06-14 23:50:41,234 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:41,237 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:41,238 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:41,238 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 [2021-06-14 23:50:41,239 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:41,242 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:41,242 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 [2021-06-14 23:50:41,243 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:41,251 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:50:41,315 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:50:41,317 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-14 23:50:41,317 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 6 variables, input treesize:349, output treesize:55 [2021-06-14 23:50:41,463 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:50:41,463 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [421347566] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:50:41,463 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:50:41,463 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 36 [2021-06-14 23:50:41,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344801616] [2021-06-14 23:50:41,463 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-14 23:50:41,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:50:41,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-14 23:50:41,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=1186, Unknown=0, NotChecked=0, Total=1260 [2021-06-14 23:50:41,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:50:41,464 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:50:41,464 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) [2021-06-14 23:50:41,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:50:41,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:50:41,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:41,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:50:41,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:50:41,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:50:41,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:50:41,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:41,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:41,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:50:41,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:41,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:50:41,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:50:41,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:41,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:50:41,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:50:41,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:41,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:50:41,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:41,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:50:41,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:41,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:50:41,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:41,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:41,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:41,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:41,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:41,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:41,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:50:41,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 23:50:41,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:50:41,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:50:41,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:50:43,961 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2021-06-14 23:50:44,236 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2021-06-14 23:50:44,573 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2021-06-14 23:50:44,965 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2021-06-14 23:50:45,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:50:45,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:50:45,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:45,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:50:45,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:50:45,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:50:45,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:50:45,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:45,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:45,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:50:45,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:45,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:50:45,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:50:45,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:45,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:50:45,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:50:45,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:45,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:50:45,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:45,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:50:45,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:45,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:50:45,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:45,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:45,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:45,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:45,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:45,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:45,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:50:45,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 23:50:45,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:50:45,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:50:45,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-14 23:50:45,436 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable750 [2021-06-14 23:50:45,437 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:50:45,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:50:45,437 INFO L82 PathProgramCache]: Analyzing trace with hash -272108888, now seen corresponding path program 33 times [2021-06-14 23:50:45,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:50:45,437 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458455881] [2021-06-14 23:50:45,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:50:45,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:50:45,917 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:50:45,917 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:50:45,917 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458455881] [2021-06-14 23:50:45,917 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458455881] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:50:45,917 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1035812858] [2021-06-14 23:50:45,917 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:50:45,963 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-14 23:50:45,963 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 23:50:45,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 44 conjunts are in the unsatisfiable core [2021-06-14 23:50:45,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:50:46,185 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:46,185 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 [2021-06-14 23:50:46,186 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:46,188 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 [2021-06-14 23:50:46,188 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:46,205 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:50:46,206 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 23:50:46,206 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:53, output treesize:39 [2021-06-14 23:50:46,420 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:46,421 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 [2021-06-14 23:50:46,422 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:46,423 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 16 treesize of output 12 [2021-06-14 23:50:46,424 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:46,440 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-14 23:50:46,441 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-14 23:50:46,441 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 23:50:46,441 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-14 23:50:46,476 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:50:46,476 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1035812858] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:50:46,477 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:50:46,477 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 35 [2021-06-14 23:50:46,477 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096827830] [2021-06-14 23:50:46,477 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-06-14 23:50:46,477 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:50:46,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-06-14 23:50:46,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=1108, Unknown=0, NotChecked=0, Total=1190 [2021-06-14 23:50:46,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:50:46,477 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:50:46,478 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 1.3714285714285714) internal successors, (48), 35 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 23:50:46,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:50:46,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:50:46,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:46,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:50:46,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:50:46,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:50:46,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:50:46,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:46,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:46,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:50:46,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:46,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:50:46,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:50:46,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:46,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:50:46,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:50:46,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:46,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:50:46,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:46,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:50:46,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:46,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:50:46,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:46,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:46,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:46,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:46,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:46,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:46,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:50:46,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 23:50:46,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:50:46,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:50:46,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-14 23:50:46,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:50:47,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:50:47,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:50:47,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:47,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:50:47,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:50:47,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:50:47,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:50:47,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:47,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:47,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:50:47,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:47,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:50:47,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:50:47,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:47,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:50:47,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:50:47,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:47,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:50:47,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:47,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:50:47,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:47,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:50:47,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:47,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:47,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:47,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:47,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:47,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:47,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:50:47,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 23:50:47,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:50:47,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:50:47,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-14 23:50:47,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:50:47,813 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable774 [2021-06-14 23:50:47,813 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:50:47,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:50:47,814 INFO L82 PathProgramCache]: Analyzing trace with hash 155219248, now seen corresponding path program 34 times [2021-06-14 23:50:47,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:50:47,814 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108980] [2021-06-14 23:50:47,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:50:47,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:50:49,365 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:50:49,366 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:50:49,366 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108980] [2021-06-14 23:50:49,366 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108980] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:50:49,366 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1912112389] [2021-06-14 23:50:49,366 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 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:50:49,413 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 23:50:49,413 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 23:50:49,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 83 conjunts are in the unsatisfiable core [2021-06-14 23:50:49,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:50:51,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,037 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:51,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,050 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:51,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 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 [2021-06-14 23:50:51,055 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-14 23:50:51,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,069 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:51,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 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 [2021-06-14 23:50:51,074 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:51,155 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:50:51,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,160 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:51,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,170 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:51,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 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 [2021-06-14 23:50:51,183 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:51,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,188 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:51,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:51,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 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 [2021-06-14 23:50:51,200 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:51,249 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:50:51,254 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. [2021-06-14 23:50:51,254 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:371, output treesize:139 [2021-06-14 23:50:51,971 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-06-14 23:50:52,346 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-06-14 23:50:52,800 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-06-14 23:50:53,244 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-06-14 23:50:53,754 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-06-14 23:50:53,887 INFO L446 ElimStorePlain]: Different costs {21=[array_4], 55=[array_0]} [2021-06-14 23:50:53,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,904 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:53,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 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 [2021-06-14 23:50:53,917 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:53,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,932 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:53,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 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 [2021-06-14 23:50:53,945 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-14 23:50:53,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,961 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:53,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 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 [2021-06-14 23:50:53,978 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-14 23:50:53,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:53,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,001 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:54,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 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 [2021-06-14 23:50:54,020 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 4 xjuncts. [2021-06-14 23:50:54,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,046 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:54,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 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 [2021-06-14 23:50:54,066 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:54,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,092 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:54,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 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 [2021-06-14 23:50:54,112 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:54,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,136 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:54,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 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 [2021-06-14 23:50:54,155 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2021-06-14 23:50:54,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,179 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:54,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 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 [2021-06-14 23:50:54,193 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:54,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,211 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:54,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 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 [2021-06-14 23:50:54,225 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:54,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:50:54,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 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 [2021-06-14 23:50:54,244 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:54,539 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 83 [2021-06-14 23:50:54,540 INFO L628 ElimStorePlain]: treesize reduction 152, result has 70.2 percent of original size [2021-06-14 23:50:54,545 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:54,546 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:54,546 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 [2021-06-14 23:50:54,546 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:54,551 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:54,551 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:54,552 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 [2021-06-14 23:50:54,552 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:54,561 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:50:54,580 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:54,581 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:54,581 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 10 treesize of output 5 [2021-06-14 23:50:54,582 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:54,587 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:54,587 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:54,588 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 [2021-06-14 23:50:54,588 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:54,593 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:54,594 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:54,594 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 [2021-06-14 23:50:54,595 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:54,599 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:54,600 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:54,600 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 [2021-06-14 23:50:54,600 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:54,610 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:50:54,614 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:54,615 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:54,615 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 [2021-06-14 23:50:54,615 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:54,620 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:54,620 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:54,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-06-14 23:50:54,621 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:54,630 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:50:54,635 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:54,636 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:54,636 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 [2021-06-14 23:50:54,636 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:54,641 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:54,641 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:54,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-06-14 23:50:54,642 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:54,646 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:50:54,647 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 [2021-06-14 23:50:54,647 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-14 23:50:54,660 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:50:54,777 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-06-14 23:50:54,777 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:50:54,781 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-06-14 23:50:54,781 INFO L247 ElimStorePlain]: Needed 22 recursive calls to eliminate 7 variables, input treesize:961, output treesize:185 [2021-06-14 23:50:55,031 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2021-06-14 23:50:55,177 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:50:55,177 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1912112389] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:50:55,177 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:50:55,177 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 24] total 47 [2021-06-14 23:50:55,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509985279] [2021-06-14 23:50:55,177 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-06-14 23:50:55,177 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:50:55,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-06-14 23:50:55,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=2065, Unknown=0, NotChecked=0, Total=2162 [2021-06-14 23:50:55,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:50:55,178 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:50:55,178 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 1.2765957446808511) internal successors, (60), 47 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 23:50:55,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:50:55,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:50:55,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:55,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:50:55,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:50:55,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:50:55,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:50:55,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:55,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:55,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:50:55,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:50:55,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:50:55,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:50:55,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:55,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:50:55,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:50:55,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:55,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:50:55,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:55,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:50:55,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:55,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:50:55,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:55,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:55,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:50:55,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:50:55,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:55,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:50:55,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:50:55,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 23:50:55,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:50:55,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:50:55,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-14 23:50:55,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:50:55,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:50:58,146 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2021-06-14 23:50:58,483 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 96 [2021-06-14 23:50:58,853 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 105 [2021-06-14 23:50:59,173 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 105 [2021-06-14 23:50:59,583 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 106 [2021-06-14 23:51:00,066 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 106 [2021-06-14 23:51:00,562 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 107 [2021-06-14 23:51:01,067 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 106 [2021-06-14 23:51:01,540 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 84 [2021-06-14 23:51:01,988 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 92 [2021-06-14 23:51:02,625 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 124 [2021-06-14 23:51:03,254 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 140 [2021-06-14 23:51:04,006 WARN L205 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 144 [2021-06-14 23:51:04,831 WARN L205 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 112 [2021-06-14 23:51:05,790 WARN L205 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 116 [2021-06-14 23:51:06,078 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2021-06-14 23:51:06,416 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 53 [2021-06-14 23:51:06,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:51:06,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:51:06,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:06,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:51:06,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:51:06,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:51:06,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:51:06,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:51:06,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:51:06,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:51:06,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:51:06,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:51:06,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:51:06,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:51:06,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:51:06,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:51:06,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:51:06,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:51:06,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:51:06,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:51:06,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:06,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:51:06,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:51:06,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:06,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:51:06,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:51:06,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:06,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:06,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:06,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 23:51:06,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:06,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:06,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-14 23:51:06,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:06,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 23:51:06,619 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable777 [2021-06-14 23:51:06,619 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:51:06,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:51:06,619 INFO L82 PathProgramCache]: Analyzing trace with hash 517489576, now seen corresponding path program 35 times [2021-06-14 23:51:06,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:51:06,620 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559085269] [2021-06-14 23:51:06,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:51:06,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:51:07,265 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:51:07,265 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:51:07,265 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559085269] [2021-06-14 23:51:07,266 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559085269] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:51:07,266 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1443459955] [2021-06-14 23:51:07,266 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 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:51:07,315 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-14 23:51:07,315 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 23:51:07,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 68 conjunts are in the unsatisfiable core [2021-06-14 23:51:07,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:51:08,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 38 [2021-06-14 23:51:08,022 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:08,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 38 [2021-06-14 23:51:08,038 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:08,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 36 [2021-06-14 23:51:08,055 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:08,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 44 [2021-06-14 23:51:08,072 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:08,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 [2021-06-14 23:51:08,093 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2021-06-14 23:51:08,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 40 [2021-06-14 23:51:08,109 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:08,124 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 50 treesize of output 36 [2021-06-14 23:51:08,127 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:08,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 44 [2021-06-14 23:51:08,144 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:08,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 38 [2021-06-14 23:51:08,161 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:08,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 [2021-06-14 23:51:08,166 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2021-06-14 23:51:08,242 INFO L628 ElimStorePlain]: treesize reduction 106, result has 51.4 percent of original size [2021-06-14 23:51:08,243 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-06-14 23:51:08,243 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 1 variables, input treesize:607, output treesize:112 [2021-06-14 23:51:08,796 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:08,796 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 [2021-06-14 23:51:08,797 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:08,800 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:08,801 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 [2021-06-14 23:51:08,801 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:08,804 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:08,805 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 26 treesize of output 20 [2021-06-14 23:51:08,806 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:08,809 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:08,809 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 [2021-06-14 23:51:08,810 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:08,813 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 23:51:08,814 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:08,817 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:08,817 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 [2021-06-14 23:51:08,818 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:08,822 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:08,822 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 [2021-06-14 23:51:08,822 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:08,825 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 23:51:08,826 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:08,828 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 23:51:08,829 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:08,831 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 23:51:08,832 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:08,835 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:08,835 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 25 treesize of output 19 [2021-06-14 23:51:08,836 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:08,838 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 23:51:08,838 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:08,877 INFO L628 ElimStorePlain]: treesize reduction 94, result has 27.7 percent of original size [2021-06-14 23:51:08,879 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 [2021-06-14 23:51:08,880 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:08,893 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:51:08,894 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-14 23:51:08,894 INFO L247 ElimStorePlain]: Needed 14 recursive calls to eliminate 2 variables, input treesize:333, output treesize:31 [2021-06-14 23:51:09,002 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:51:09,002 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1443459955] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:51:09,003 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:51:09,003 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 41 [2021-06-14 23:51:09,003 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704156645] [2021-06-14 23:51:09,003 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-06-14 23:51:09,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:51:09,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-06-14 23:51:09,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=1545, Unknown=0, NotChecked=0, Total=1640 [2021-06-14 23:51:09,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:51:09,003 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:51:09,004 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 41 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 23:51:09,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:51:09,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:51:09,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:09,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:51:09,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:51:09,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:51:09,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:51:09,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:51:09,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:51:09,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:51:09,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:51:09,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:51:09,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:51:09,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:51:09,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:51:09,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:51:09,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:51:09,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:51:09,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:51:09,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:51:09,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:09,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:51:09,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:51:09,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:09,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:51:09,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:51:09,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:09,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:09,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:09,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 23:51:09,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:09,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:09,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-14 23:51:09,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:09,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 23:51:09,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:51:11,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:51:11,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:51:11,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:11,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:51:11,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:51:11,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:51:11,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:51:11,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:51:11,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:51:11,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:51:11,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:51:11,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:51:11,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:51:11,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:51:11,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:51:11,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:51:11,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:51:11,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:51:11,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:51:11,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:51:11,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:11,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:51:11,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:51:11,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:11,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:51:11,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:51:11,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:11,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:11,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:11,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 23:51:11,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:11,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:11,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-14 23:51:11,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:11,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 23:51:11,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:51:11,580 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable824 [2021-06-14 23:51:11,581 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:51:11,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:51:11,581 INFO L82 PathProgramCache]: Analyzing trace with hash -2099726310, now seen corresponding path program 36 times [2021-06-14 23:51:11,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:51:11,581 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882413413] [2021-06-14 23:51:11,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:51:11,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:51:12,304 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:51:12,304 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:51:12,304 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882413413] [2021-06-14 23:51:12,304 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882413413] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:51:12,304 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1176000326] [2021-06-14 23:51:12,304 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 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:51:12,371 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-14 23:51:12,371 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 23:51:12,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 67 conjunts are in the unsatisfiable core [2021-06-14 23:51:12,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:51:13,086 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2021-06-14 23:51:14,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,398 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:14,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,411 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:14,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 55 [2021-06-14 23:51:14,423 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:14,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,438 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:14,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,452 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:14,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 47 [2021-06-14 23:51:14,457 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:14,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,475 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:14,491 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:14,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 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 [2021-06-14 23:51:14,493 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:14,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,500 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:14,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,511 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:14,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 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 [2021-06-14 23:51:14,523 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:14,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,570 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:14,585 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:14,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 47 [2021-06-14 23:51:14,588 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:14,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,611 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:14,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:14,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 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 [2021-06-14 23:51:14,616 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:14,781 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2021-06-14 23:51:14,781 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.7 percent of original size [2021-06-14 23:51:14,785 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2021-06-14 23:51:14,785 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:547, output treesize:152 [2021-06-14 23:51:15,739 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:15,740 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:15,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-14 23:51:15,741 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:15,745 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:15,745 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 [2021-06-14 23:51:15,746 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:15,808 INFO L628 ElimStorePlain]: treesize reduction 65, result has 44.4 percent of original size [2021-06-14 23:51:15,811 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:15,811 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 [2021-06-14 23:51:15,813 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-14 23:51:15,842 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:51:15,842 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-14 23:51:15,846 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:15,846 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:15,846 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 [2021-06-14 23:51:15,847 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:15,850 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:15,850 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 [2021-06-14 23:51:15,850 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:15,858 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:51:15,877 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:51:15,878 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-14 23:51:15,878 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 8 variables, input treesize:131, output treesize:18 [2021-06-14 23:51:15,948 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:51:15,948 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1176000326] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:51:15,948 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:51:15,948 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 47 [2021-06-14 23:51:15,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488186850] [2021-06-14 23:51:15,949 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-06-14 23:51:15,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:51:15,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-06-14 23:51:15,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=2061, Unknown=0, NotChecked=0, Total=2162 [2021-06-14 23:51:15,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:51:15,949 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:51:15,950 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 1.2765957446808511) internal successors, (60), 47 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 23:51:15,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:51:15,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:51:15,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:15,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:51:15,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:51:15,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:51:15,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:51:15,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:51:15,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:51:15,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:51:15,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:51:15,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:51:15,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:51:15,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:51:15,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:51:15,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:51:15,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:51:15,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:51:15,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:51:15,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:51:15,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:15,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:51:15,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:51:15,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:15,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:51:15,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:51:15,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:15,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:15,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:15,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 23:51:15,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:15,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:15,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-14 23:51:15,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:15,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 23:51:15,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:51:15,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:51:18,154 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 67 [2021-06-14 23:51:18,806 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 126 [2021-06-14 23:51:19,174 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 124 [2021-06-14 23:51:19,629 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 124 [2021-06-14 23:51:20,108 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 123 [2021-06-14 23:51:20,623 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 124 [2021-06-14 23:51:21,165 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 124 [2021-06-14 23:51:23,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:51:23,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:51:23,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:23,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:51:23,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:51:23,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:51:23,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:51:23,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:51:23,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:51:23,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:51:23,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:51:23,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:51:23,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:51:23,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:51:23,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:51:23,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:51:23,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:51:23,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:51:23,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:51:23,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:51:23,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:23,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:51:23,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:51:23,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:23,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:51:23,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:51:23,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:23,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:23,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:23,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 23:51:23,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:23,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:23,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-14 23:51:23,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:23,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 23:51:23,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:51:23,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 23:51:23,456 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable857,39 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:51:23,457 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:51:23,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:51:23,457 INFO L82 PathProgramCache]: Analyzing trace with hash -666345986, now seen corresponding path program 37 times [2021-06-14 23:51:23,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:51:23,457 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31707602] [2021-06-14 23:51:23,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:51:23,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:51:23,977 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 7 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:51:23,977 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:51:23,977 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31707602] [2021-06-14 23:51:23,977 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31707602] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:51:23,977 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2018666554] [2021-06-14 23:51:23,977 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 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:51:24,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:51:24,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-14 23:51:24,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:51:24,584 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 [2021-06-14 23:51:24,586 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:24,588 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:24,589 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:24,589 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 [2021-06-14 23:51:24,590 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:24,593 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 [2021-06-14 23:51:24,594 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:24,597 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 [2021-06-14 23:51:24,598 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:24,600 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 [2021-06-14 23:51:24,601 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:24,604 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:24,604 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 [2021-06-14 23:51:24,605 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:24,676 INFO L628 ElimStorePlain]: treesize reduction 34, result has 66.7 percent of original size [2021-06-14 23:51:24,678 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2021-06-14 23:51:24,678 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:155, output treesize:62 [2021-06-14 23:51:25,160 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 [2021-06-14 23:51:25,161 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:25,164 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:25,164 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:25,164 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 [2021-06-14 23:51:25,165 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:25,168 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:25,168 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:25,169 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 16 treesize of output 12 [2021-06-14 23:51:25,169 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:25,172 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 [2021-06-14 23:51:25,173 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:25,206 INFO L628 ElimStorePlain]: treesize reduction 36, result has 41.0 percent of original size [2021-06-14 23:51:25,206 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-14 23:51:25,208 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 23:51:25,208 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:99, output treesize:13 [2021-06-14 23:51:25,254 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 7 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:51:25,254 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2018666554] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:51:25,254 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:51:25,254 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 41 [2021-06-14 23:51:25,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109327695] [2021-06-14 23:51:25,255 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-06-14 23:51:25,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:51:25,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-06-14 23:51:25,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=1542, Unknown=0, NotChecked=0, Total=1640 [2021-06-14 23:51:25,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:51:25,256 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:51:25,256 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 41 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 23:51:25,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:51:25,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:51:25,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:25,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:51:25,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:51:25,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:51:25,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:51:25,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:51:25,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:51:25,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:51:25,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:51:25,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:51:25,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:51:25,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:51:25,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:51:25,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:51:25,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:51:25,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:51:25,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:51:25,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:51:25,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:25,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:51:25,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:51:25,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:25,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:51:25,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:51:25,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:25,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:25,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:25,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 23:51:25,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:25,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:25,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-14 23:51:25,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:25,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 23:51:25,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:51:25,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 23:51:25,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:51:27,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:51:27,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:51:27,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:27,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:51:27,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:51:27,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:51:27,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:51:27,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:51:27,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:51:27,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:51:27,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:51:27,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:51:27,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:51:27,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:51:27,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:51:27,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:51:27,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:51:27,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:51:27,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:51:27,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:51:27,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:27,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:51:27,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:51:27,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:27,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:51:27,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:51:27,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:27,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:27,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:27,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 23:51:27,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:27,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:27,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:51:27,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:27,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 23:51:27,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:51:27,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 23:51:27,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:51:27,202 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable882 [2021-06-14 23:51:27,203 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:51:27,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:51:27,203 INFO L82 PathProgramCache]: Analyzing trace with hash 790685062, now seen corresponding path program 38 times [2021-06-14 23:51:27,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:51:27,203 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974685326] [2021-06-14 23:51:27,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:51:27,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:51:27,724 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 6 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:51:27,724 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:51:27,724 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974685326] [2021-06-14 23:51:27,724 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974685326] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:51:27,724 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [780920084] [2021-06-14 23:51:27,724 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:51:27,780 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 23:51:27,780 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 23:51:27,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 45 conjunts are in the unsatisfiable core [2021-06-14 23:51:27,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:51:28,065 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:28,066 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 15 treesize of output 11 [2021-06-14 23:51:28,066 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:28,068 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 [2021-06-14 23:51:28,069 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:28,086 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:51:28,086 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 23:51:28,087 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:53, output treesize:39 [2021-06-14 23:51:28,334 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:28,334 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 [2021-06-14 23:51:28,335 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:28,337 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:28,337 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 16 treesize of output 12 [2021-06-14 23:51:28,338 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:28,340 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 [2021-06-14 23:51:28,341 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:28,342 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 23:51:28,343 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:28,359 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-06-14 23:51:28,359 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-14 23:51:28,360 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 23:51:28,360 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-14 23:51:28,399 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 6 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:51:28,399 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [780920084] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:51:28,399 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:51:28,399 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 36 [2021-06-14 23:51:28,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323200521] [2021-06-14 23:51:28,399 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-14 23:51:28,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:51:28,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-14 23:51:28,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1176, Unknown=0, NotChecked=0, Total=1260 [2021-06-14 23:51:28,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:51:28,400 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:51:28,400 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 36 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 23:51:28,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:51:28,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:51:28,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:28,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:51:28,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:51:28,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:51:28,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:51:28,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:51:28,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:51:28,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:51:28,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:51:28,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:51:28,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:51:28,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:51:28,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:51:28,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:51:28,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:51:28,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:51:28,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:51:28,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:51:28,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:28,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:51:28,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:51:28,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:28,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:51:28,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:51:28,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:28,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:28,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:28,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 23:51:28,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:28,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:28,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:51:28,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:28,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 23:51:28,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:51:28,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 23:51:28,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:51:28,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:51:29,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:51:29,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:51:29,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:29,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:51:29,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:51:29,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:51:29,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:51:29,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:51:29,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:51:29,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:51:29,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:51:29,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:51:29,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:51:29,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:51:29,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:51:29,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:51:29,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:51:29,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:51:29,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:51:29,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:51:29,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:29,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:51:29,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:51:29,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:29,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:51:29,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:51:29,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:29,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:29,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:29,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 23:51:29,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:29,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:29,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:51:29,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:29,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 23:51:29,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:51:29,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 23:51:29,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:51:29,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 23:51:29,817 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable891,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:51:29,817 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:51:29,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:51:29,817 INFO L82 PathProgramCache]: Analyzing trace with hash 419844740, now seen corresponding path program 39 times [2021-06-14 23:51:29,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:51:29,817 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679321014] [2021-06-14 23:51:29,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:51:29,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:51:30,472 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:51:30,473 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:51:30,473 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679321014] [2021-06-14 23:51:30,473 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679321014] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:51:30,473 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [123886143] [2021-06-14 23:51:30,473 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:51:30,538 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-14 23:51:30,538 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 23:51:30,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 67 conjunts are in the unsatisfiable core [2021-06-14 23:51:30,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:51:31,024 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:31,025 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:31,025 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 [2021-06-14 23:51:31,026 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:31,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:31,029 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 [2021-06-14 23:51:31,030 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:31,061 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:51:31,065 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 2 xjuncts. [2021-06-14 23:51:31,065 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:79, output treesize:65 [2021-06-14 23:51:31,763 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-06-14 23:51:32,038 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-06-14 23:51:32,341 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-06-14 23:51:32,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,431 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:32,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,441 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:32,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 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 [2021-06-14 23:51:32,456 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-14 23:51:32,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,467 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:32,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,477 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:32,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 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 [2021-06-14 23:51:32,485 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:32,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,495 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:32,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,506 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:32,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 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 [2021-06-14 23:51:32,514 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:32,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,520 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:32,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:32,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 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 [2021-06-14 23:51:32,531 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:32,638 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 51 [2021-06-14 23:51:32,638 INFO L628 ElimStorePlain]: treesize reduction 44, result has 73.0 percent of original size [2021-06-14 23:51:32,642 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:32,643 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:32,643 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 [2021-06-14 23:51:32,644 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:32,648 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:32,648 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:32,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-14 23:51:32,649 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:32,652 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:32,653 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 [2021-06-14 23:51:32,653 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:32,661 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:51:32,708 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:51:32,710 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-14 23:51:32,710 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 10 variables, input treesize:393, output treesize:55 [2021-06-14 23:51:32,872 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:51:32,872 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [123886143] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:51:32,873 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:51:32,873 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 41 [2021-06-14 23:51:32,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233288669] [2021-06-14 23:51:32,873 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-06-14 23:51:32,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:51:32,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-06-14 23:51:32,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1556, Unknown=0, NotChecked=0, Total=1640 [2021-06-14 23:51:32,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:51:32,874 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:51:32,874 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) [2021-06-14 23:51:32,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:51:32,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:51:32,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:32,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:51:32,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:51:32,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:51:32,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:51:32,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:51:32,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:51:32,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:51:32,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:51:32,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:51:32,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:51:32,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:51:32,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:51:32,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:51:32,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:51:32,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:51:32,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:51:32,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:51:32,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:32,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:51:32,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:51:32,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:32,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:51:32,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:51:32,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:32,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:32,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:32,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 23:51:32,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:32,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:32,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:51:32,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:32,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 23:51:32,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:51:32,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 23:51:32,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:51:32,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 23:51:32,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:51:36,092 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2021-06-14 23:51:36,391 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2021-06-14 23:51:36,756 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 95 [2021-06-14 23:51:37,212 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 101 [2021-06-14 23:51:37,728 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2021-06-14 23:51:37,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:51:37,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:51:37,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:37,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:51:37,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:51:37,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:51:37,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:51:37,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:51:37,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:51:37,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:51:37,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:51:37,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:51:37,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:51:37,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:51:37,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:51:37,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:51:37,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:51:37,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:51:37,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:51:37,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:51:37,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:37,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:51:37,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:51:37,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:37,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:51:37,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:51:37,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:37,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:37,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:37,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 23:51:37,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:37,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:37,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:51:37,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:37,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 23:51:37,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:51:37,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 23:51:37,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:51:37,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 23:51:37,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 23:51:38,147 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable897 [2021-06-14 23:51:38,147 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:51:38,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:51:38,147 INFO L82 PathProgramCache]: Analyzing trace with hash 130945236, now seen corresponding path program 40 times [2021-06-14 23:51:38,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:51:38,147 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355573259] [2021-06-14 23:51:38,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:51:38,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:51:38,685 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 7 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:51:38,686 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:51:38,686 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355573259] [2021-06-14 23:51:38,686 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355573259] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:51:38,686 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1411324800] [2021-06-14 23:51:38,686 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 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:51:38,734 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 23:51:38,734 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 23:51:38,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-14 23:51:38,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:51:39,030 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:39,030 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 [2021-06-14 23:51:39,031 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:39,033 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 [2021-06-14 23:51:39,034 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:39,050 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:51:39,051 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 23:51:39,051 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:53, output treesize:39 [2021-06-14 23:51:39,349 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:39,349 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 [2021-06-14 23:51:39,350 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:39,352 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:39,352 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 16 treesize of output 12 [2021-06-14 23:51:39,353 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:39,355 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 23:51:39,355 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:39,357 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 [2021-06-14 23:51:39,358 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:39,374 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-06-14 23:51:39,374 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-14 23:51:39,374 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 23:51:39,374 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-14 23:51:39,416 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 7 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:51:39,416 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1411324800] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:51:39,416 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:51:39,416 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 40 [2021-06-14 23:51:39,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801431136] [2021-06-14 23:51:39,417 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-06-14 23:51:39,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:51:39,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-06-14 23:51:39,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=1466, Unknown=0, NotChecked=0, Total=1560 [2021-06-14 23:51:39,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:51:39,417 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:51:39,417 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.3) internal successors, (52), 40 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 23:51:39,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:51:39,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:51:39,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:39,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:51:39,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:51:39,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:51:39,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:51:39,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:51:39,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:51:39,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:51:39,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:51:39,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:51:39,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:51:39,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:51:39,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:51:39,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:51:39,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:51:39,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:51:39,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:51:39,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:51:39,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:39,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:51:39,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:51:39,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:39,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:51:39,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:51:39,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:39,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:39,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:39,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 23:51:39,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:39,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:39,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:51:39,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:39,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 23:51:39,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:51:39,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 23:51:39,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:51:39,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 23:51:39,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 23:51:39,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:51:40,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:51:40,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:51:40,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:40,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:51:40,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:51:40,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:51:40,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:51:40,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:51:40,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:51:40,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:51:40,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:51:40,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:51:40,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:51:40,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:51:40,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:51:40,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:51:40,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:51:40,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:51:40,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:51:40,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:51:40,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:40,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:51:40,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:51:40,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:40,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:51:40,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:51:40,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:40,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:40,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:40,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 23:51:40,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:40,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:40,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:51:40,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:40,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 23:51:40,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:51:40,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 23:51:40,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:51:40,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 23:51:40,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 23:51:40,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:51:41,185 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable921,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:51:41,185 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:51:41,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:51:41,186 INFO L82 PathProgramCache]: Analyzing trace with hash 1808696646, now seen corresponding path program 41 times [2021-06-14 23:51:41,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:51:41,186 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036699078] [2021-06-14 23:51:41,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:51:41,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:51:41,749 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:51:41,749 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:51:41,749 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036699078] [2021-06-14 23:51:41,749 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036699078] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:51:41,749 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [258813131] [2021-06-14 23:51:41,749 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 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:51:41,816 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-14 23:51:41,817 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 23:51:41,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-14 23:51:41,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:51:42,111 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:42,111 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 [2021-06-14 23:51:42,112 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:42,114 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 15 treesize of output 11 [2021-06-14 23:51:42,114 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:42,131 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:51:42,132 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 23:51:42,132 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:53, output treesize:39 [2021-06-14 23:51:42,401 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:42,402 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 16 treesize of output 12 [2021-06-14 23:51:42,402 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:42,404 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 [2021-06-14 23:51:42,405 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:42,420 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-14 23:51:42,421 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-14 23:51:42,421 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 23:51:42,421 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-14 23:51:42,460 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:51:42,460 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [258813131] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:51:42,460 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:51:42,460 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 40 [2021-06-14 23:51:42,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112369596] [2021-06-14 23:51:42,460 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-06-14 23:51:42,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:51:42,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-06-14 23:51:42,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=1466, Unknown=0, NotChecked=0, Total=1560 [2021-06-14 23:51:42,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:51:42,461 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:51:42,461 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.325) internal successors, (53), 40 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 23:51:42,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:51:42,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:51:42,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:42,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:51:42,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:51:42,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:51:42,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:51:42,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:51:42,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:51:42,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:51:42,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:51:42,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:51:42,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:51:42,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:51:42,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:51:42,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:51:42,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:51:42,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:51:42,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:51:42,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:51:42,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:42,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:51:42,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:51:42,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:42,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:51:42,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:51:42,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:42,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:42,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:42,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 23:51:42,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:42,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:42,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:51:42,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:42,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 23:51:42,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:51:42,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 23:51:42,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:51:42,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 23:51:42,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 23:51:42,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:51:42,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:51:44,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:51:44,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:51:44,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:44,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:51:44,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:51:44,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:51:44,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:51:44,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:51:44,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:51:44,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:51:44,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:51:44,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:51:44,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:51:44,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:51:44,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:51:44,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:51:44,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:51:44,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:51:44,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:51:44,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:51:44,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:44,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:51:44,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:51:44,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:44,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:51:44,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:51:44,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:44,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:51:44,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:44,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 23:51:44,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:44,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:44,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:51:44,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:51:44,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 23:51:44,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:51:44,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 23:51:44,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:51:44,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 23:51:44,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 23:51:44,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:51:44,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:51:44,293 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable927,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:51:44,293 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:51:44,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:51:44,293 INFO L82 PathProgramCache]: Analyzing trace with hash 235681362, now seen corresponding path program 42 times [2021-06-14 23:51:44,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:51:44,294 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092359621] [2021-06-14 23:51:44,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:51:44,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:51:45,896 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:51:45,896 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:51:45,896 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092359621] [2021-06-14 23:51:45,896 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092359621] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:51:45,896 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378182458] [2021-06-14 23:51:45,897 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:51:45,951 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-14 23:51:45,951 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 23:51:45,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 96 conjunts are in the unsatisfiable core [2021-06-14 23:51:45,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:51:47,698 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 260 [2021-06-14 23:51:48,263 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2021-06-14 23:51:48,932 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2021-06-14 23:51:49,659 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2021-06-14 23:51:50,436 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2021-06-14 23:51:51,314 WARN L205 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-06-14 23:51:51,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,781 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:51,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,795 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:51,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,804 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:51,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,808 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:51,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,816 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:51,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,821 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:51,822 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:51,828 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:51,845 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:51,855 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:51,860 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:51,868 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:51,875 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:51,876 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:51,877 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 157 treesize of output 103 [2021-06-14 23:51:51,879 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:51,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,897 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:51,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,910 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:51,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,915 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:51,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,924 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:51,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,932 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:51,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:51,936 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:51,937 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:51,943 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:51,957 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:51,963 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:51,974 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:51,983 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:51,988 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:51,989 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:51,990 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 147 treesize of output 95 [2021-06-14 23:51:51,992 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:52,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,005 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:52,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,014 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:52,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,022 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:52,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:52,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,033 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:52,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,034 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:52,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,036 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:52,036 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 147 treesize of output 95 [2021-06-14 23:51:52,038 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:52,300 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2021-06-14 23:51:52,301 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:51:52,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,318 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:52,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,328 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:52,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,330 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:52,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,337 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:52,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,344 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:52,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,345 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:52,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,346 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:52,354 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:52,366 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:52,368 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:52,376 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:52,384 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:52,385 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:52,387 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:52,387 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 157 treesize of output 103 [2021-06-14 23:51:52,390 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:52,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,402 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:52,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,413 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:52,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,419 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:52,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,428 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:52,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,429 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:52,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,434 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:52,434 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:52,437 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:52,449 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:52,456 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:52,467 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:52,468 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:52,475 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:52,475 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:52,476 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 167 treesize of output 111 [2021-06-14 23:51:52,480 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:52,489 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:52,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,502 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:52,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,512 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:52,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,515 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:52,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,518 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:52,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,522 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:52,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:51:52,523 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:51:52,524 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 157 treesize of output 103 [2021-06-14 23:51:52,525 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 23:51:52,754 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2021-06-14 23:51:52,755 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:51:52,789 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 2 dim-1 vars, End of recursive call: 12 dim-0 vars, and 6 xjuncts. [2021-06-14 23:51:52,789 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 10 variables, input treesize:1048, output treesize:694 [2021-06-14 23:51:55,246 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 304 DAG size of output: 207 [2021-06-14 23:51:58,969 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 211 DAG size of output: 198 [2021-06-14 23:52:00,524 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 239 [2021-06-14 23:52:01,578 WARN L205 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2021-06-14 23:52:02,894 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 239 [2021-06-14 23:52:04,421 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 239 [2021-06-14 23:52:05,357 WARN L205 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2021-06-14 23:52:05,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:05,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:05,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:05,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:05,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:05,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:05,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:05,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:05,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:05,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:05,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:05,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:05,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:05,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:05,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:05,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:05,523 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:05,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:05,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:05,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:05,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:05,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:05,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:05,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:05,544 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:05,552 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 91 treesize of output 61 [2021-06-14 23:52:05,555 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:52:05,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:05,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:05,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:05,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:05,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:05,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:05,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:05,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:05,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:05,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:05,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:05,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:05,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:05,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:05,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:05,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:05,576 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:05,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:05,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:05,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:05,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:05,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:05,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:05,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:05,582 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 93 treesize of output 63 [2021-06-14 23:52:05,585 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-14 23:52:05,990 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 173 [2021-06-14 23:52:05,991 INFO L628 ElimStorePlain]: treesize reduction 282, result has 60.6 percent of original size [2021-06-14 23:52:05,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,033 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:06,058 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:06,059 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 86 treesize of output 58 [2021-06-14 23:52:06,062 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:52:06,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,089 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:06,090 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 84 treesize of output 56 [2021-06-14 23:52:06,093 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:52:06,195 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2021-06-14 23:52:06,195 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:52:06,202 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:06,203 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:06,203 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 [2021-06-14 23:52:06,203 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 23:52:06,210 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:06,211 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 [2021-06-14 23:52:06,211 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 23:52:06,309 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:52:06,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,325 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:06,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,331 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 95 treesize of output 65 [2021-06-14 23:52:06,334 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-14 23:52:06,410 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:52:06,415 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:06,416 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 [2021-06-14 23:52:06,416 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-14 23:52:06,491 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:52:06,496 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:06,497 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 12 treesize of output 5 [2021-06-14 23:52:06,497 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-14 23:52:06,572 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:52:06,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,591 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:06,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:06,594 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 93 treesize of output 63 [2021-06-14 23:52:06,597 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2021-06-14 23:52:06,661 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:52:06,666 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:06,666 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:06,666 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 [2021-06-14 23:52:06,667 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-14 23:52:06,671 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:06,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-14 23:52:06,672 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-14 23:52:06,681 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:52:06,740 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:52:06,743 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 8 dim-1 vars, End of recursive call: and 7 xjuncts. [2021-06-14 23:52:06,743 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 16 variables, input treesize:844, output treesize:43 [2021-06-14 23:52:06,888 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:52:06,888 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378182458] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:52:06,888 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:52:06,889 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 27] total 52 [2021-06-14 23:52:06,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410549355] [2021-06-14 23:52:06,889 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-06-14 23:52:06,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:52:06,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-06-14 23:52:06,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=2532, Unknown=0, NotChecked=0, Total=2652 [2021-06-14 23:52:06,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:52:06,890 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:52:06,890 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 1.2307692307692308) internal successors, (64), 52 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 23:52:06,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:52:06,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:52:06,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:52:06,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:52:06,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:52:06,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:52:06,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:52:06,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:52:06,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:52:06,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:52:06,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:52:06,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:52:06,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:52:06,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:52:06,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:52:06,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:52:06,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:52:06,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:52:06,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:52:06,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:52:06,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:52:06,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:52:06,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:52:06,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:52:06,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:52:06,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:52:06,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:52:06,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:52:06,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:52:06,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 23:52:06,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:52:06,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:52:06,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:52:06,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:52:06,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 23:52:06,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:52:06,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 23:52:06,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:52:06,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 23:52:06,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 23:52:06,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:52:06,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:52:06,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:52:11,207 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 88 [2021-06-14 23:52:12,077 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 165 [2021-06-14 23:52:13,048 WARN L205 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 274 [2021-06-14 23:52:14,270 WARN L205 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 176 [2021-06-14 23:52:15,803 WARN L205 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 283 [2021-06-14 23:52:17,512 WARN L205 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 185 [2021-06-14 23:52:19,532 WARN L205 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2021-06-14 23:52:21,788 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 198 DAG size of output: 193 [2021-06-14 23:52:26,013 WARN L205 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 231 DAG size of output: 211 [2021-06-14 23:52:28,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:52:28,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:52:28,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:52:28,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:52:28,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:52:28,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:52:28,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:52:28,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:52:28,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:52:28,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:52:28,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:52:28,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:52:28,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:52:28,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:52:28,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:52:28,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:52:28,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:52:28,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:52:28,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:52:28,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:52:28,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:52:28,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:52:28,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:52:28,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:52:28,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:52:28,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:52:28,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:52:28,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:52:28,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:52:28,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 23:52:28,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:52:28,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:52:28,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:52:28,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:52:28,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 23:52:28,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:52:28,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 23:52:28,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:52:28,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 23:52:28,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 23:52:28,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:52:28,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:52:28,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:52:28,417 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable930 [2021-06-14 23:52:28,417 INFO L430 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:52:28,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:52:28,417 INFO L82 PathProgramCache]: Analyzing trace with hash -1283152186, now seen corresponding path program 43 times [2021-06-14 23:52:28,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:52:28,417 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752713568] [2021-06-14 23:52:28,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:52:28,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:52:29,447 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 8 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:52:29,448 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:52:29,448 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752713568] [2021-06-14 23:52:29,448 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752713568] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:52:29,448 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [20194845] [2021-06-14 23:52:29,448 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 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:52:29,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:52:29,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 76 conjunts are in the unsatisfiable core [2021-06-14 23:52:29,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:52:30,947 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-06-14 23:52:31,286 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-06-14 23:52:31,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,362 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:31,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,382 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:31,384 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 93 treesize of output 63 [2021-06-14 23:52:31,387 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-14 23:52:31,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,408 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:31,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,429 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:31,431 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 91 treesize of output 61 [2021-06-14 23:52:31,438 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:52:31,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,460 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:31,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,480 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:31,482 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 81 treesize of output 53 [2021-06-14 23:52:31,485 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:52:31,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,505 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:31,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:31,508 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 83 treesize of output 55 [2021-06-14 23:52:31,511 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:52:31,580 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:52:31,586 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-06-14 23:52:31,586 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:431, output treesize:155 [2021-06-14 23:52:32,389 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 83 [2021-06-14 23:52:32,948 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-06-14 23:52:34,169 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-06-14 23:52:34,625 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:34,625 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:34,626 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 [2021-06-14 23:52:34,627 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:52:34,639 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:34,640 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:34,640 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 [2021-06-14 23:52:34,648 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:52:34,657 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:34,658 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:34,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-14 23:52:34,659 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:52:34,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:34,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:34,668 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 [2021-06-14 23:52:34,669 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:52:34,676 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:34,677 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:34,677 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 [2021-06-14 23:52:34,679 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 23:52:34,688 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:34,688 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:34,689 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 [2021-06-14 23:52:34,689 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 23:52:34,697 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:34,698 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:34,698 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 [2021-06-14 23:52:34,699 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-14 23:52:34,707 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:34,707 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:34,707 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 [2021-06-14 23:52:34,708 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-14 23:52:34,716 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:34,717 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:34,717 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 [2021-06-14 23:52:34,718 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-14 23:52:34,726 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:34,726 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:34,726 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 19 treesize of output 15 [2021-06-14 23:52:34,727 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-14 23:52:34,735 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:34,735 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:34,736 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 [2021-06-14 23:52:34,736 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-14 23:52:34,744 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:34,744 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 [2021-06-14 23:52:34,745 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-14 23:52:35,094 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 74 [2021-06-14 23:52:35,095 INFO L628 ElimStorePlain]: treesize reduction 116, result has 64.8 percent of original size [2021-06-14 23:52:35,102 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:35,103 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:35,103 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 [2021-06-14 23:52:35,104 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-14 23:52:35,111 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:35,111 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:35,111 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 [2021-06-14 23:52:35,112 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-14 23:52:35,119 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:35,119 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 [2021-06-14 23:52:35,120 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-14 23:52:35,260 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-06-14 23:52:35,260 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:52:35,264 INFO L550 ElimStorePlain]: Start of recursive call 1: 12 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-06-14 23:52:35,264 INFO L247 ElimStorePlain]: Needed 16 recursive calls to eliminate 14 variables, input treesize:473, output treesize:76 [2021-06-14 23:52:35,507 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:52:35,507 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [20194845] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:52:35,507 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:52:35,507 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 47 [2021-06-14 23:52:35,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852391215] [2021-06-14 23:52:35,507 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-06-14 23:52:35,507 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:52:35,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-06-14 23:52:35,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=2051, Unknown=0, NotChecked=0, Total=2162 [2021-06-14 23:52:35,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:52:35,508 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:52:35,508 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 1.2765957446808511) internal successors, (60), 47 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 23:52:35,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:52:35,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:52:35,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:52:35,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:52:35,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:52:35,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:52:35,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:52:35,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:52:35,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:52:35,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:52:35,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:52:35,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:52:35,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:52:35,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:52:35,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:52:35,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:52:35,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:52:35,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:52:35,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:52:35,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:52:35,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:52:35,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:52:35,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:52:35,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:52:35,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:52:35,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:52:35,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:52:35,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:52:35,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:52:35,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 23:52:35,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:52:35,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:52:35,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:52:35,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:52:35,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 23:52:35,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:52:35,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 23:52:35,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:52:35,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 23:52:35,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 23:52:35,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:52:35,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:52:35,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:52:35,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:52:39,076 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 86 [2021-06-14 23:52:39,572 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 91 [2021-06-14 23:52:40,174 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2021-06-14 23:52:40,846 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 84 [2021-06-14 23:52:41,572 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 89 [2021-06-14 23:52:42,366 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 94 [2021-06-14 23:52:43,006 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 83 [2021-06-14 23:52:43,852 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 132 [2021-06-14 23:52:44,394 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2021-06-14 23:52:44,842 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2021-06-14 23:52:45,255 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2021-06-14 23:52:45,700 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2021-06-14 23:52:46,166 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2021-06-14 23:52:46,578 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2021-06-14 23:52:47,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:52:47,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:52:47,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:52:47,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:52:47,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:52:47,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:52:47,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:52:47,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:52:47,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:52:47,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:52:47,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:52:47,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:52:47,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:52:47,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:52:47,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:52:47,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:52:47,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:52:47,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:52:47,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:52:47,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:52:47,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:52:47,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:52:47,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:52:47,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:52:47,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:52:47,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:52:47,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:52:47,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:52:47,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:52:47,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 23:52:47,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:52:47,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:52:47,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:52:47,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:52:47,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 23:52:47,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:52:47,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 23:52:47,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:52:47,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 23:52:47,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 23:52:47,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:52:47,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:52:47,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:52:47,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:52:47,342 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1028 [2021-06-14 23:52:47,343 INFO L430 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:52:47,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:52:47,343 INFO L82 PathProgramCache]: Analyzing trace with hash -812466028, now seen corresponding path program 44 times [2021-06-14 23:52:47,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:52:47,343 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134259570] [2021-06-14 23:52:47,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:52:47,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:52:48,496 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:52:48,497 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:52:48,497 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134259570] [2021-06-14 23:52:48,497 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134259570] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:52:48,497 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [632556667] [2021-06-14 23:52:48,497 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 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:52:48,546 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-14 23:52:48,546 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 23:52:48,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 76 conjunts are in the unsatisfiable core [2021-06-14 23:52:48,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:52:49,583 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2021-06-14 23:52:50,506 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-06-14 23:52:50,777 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-06-14 23:52:51,062 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-06-14 23:52:51,685 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-06-14 23:52:51,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,755 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:51,778 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:51,779 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 82 treesize of output 54 [2021-06-14 23:52:51,782 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:52:51,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,807 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:51,831 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:51,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 53 [2021-06-14 23:52:51,834 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:52:51,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,852 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:51,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,871 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:51,878 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 81 treesize of output 53 [2021-06-14 23:52:51,881 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:52:51,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,906 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:51,930 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:51,931 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 92 treesize of output 62 [2021-06-14 23:52:51,934 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:52:51,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,951 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:51,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,970 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:51,977 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 82 treesize of output 54 [2021-06-14 23:52:51,980 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 23:52:51,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:51,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:52,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:52,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:52,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:52,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:52,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:52:52,003 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:52,004 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 91 treesize of output 61 [2021-06-14 23:52:52,007 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 23:52:52,176 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2021-06-14 23:52:52,176 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.7 percent of original size [2021-06-14 23:52:52,180 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2021-06-14 23:52:52,180 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:613, output treesize:152 [2021-06-14 23:52:53,488 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:53,489 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:53,489 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 [2021-06-14 23:52:53,490 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:52:53,494 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:53,494 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 [2021-06-14 23:52:53,495 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:52:53,549 INFO L628 ElimStorePlain]: treesize reduction 65, result has 44.4 percent of original size [2021-06-14 23:52:53,549 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-14 23:52:53,552 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:53,552 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 [2021-06-14 23:52:53,553 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-14 23:52:53,580 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:52:53,583 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:53,584 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:53,584 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 [2021-06-14 23:52:53,585 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:52:53,588 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:52:53,588 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 [2021-06-14 23:52:53,588 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 23:52:53,597 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:52:53,618 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:52:53,619 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-14 23:52:53,619 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 8 variables, input treesize:131, output treesize:18 [2021-06-14 23:52:53,710 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:52:53,710 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [632556667] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:52:53,710 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:52:53,710 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 53 [2021-06-14 23:52:53,710 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863545413] [2021-06-14 23:52:53,710 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-06-14 23:52:53,710 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:52:53,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-06-14 23:52:53,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=2642, Unknown=0, NotChecked=0, Total=2756 [2021-06-14 23:52:53,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:52:53,711 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:52:53,711 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 1.2452830188679245) internal successors, (66), 53 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 23:52:53,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:52:53,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:52:53,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:52:53,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:52:53,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:52:53,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:52:53,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:52:53,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:52:53,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:52:53,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:52:53,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:52:53,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:52:53,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:52:53,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:52:53,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:52:53,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:52:53,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:52:53,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:52:53,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:52:53,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:52:53,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:52:53,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:52:53,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:52:53,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:52:53,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:52:53,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:52:53,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:52:53,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:52:53,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:52:53,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 23:52:53,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:52:53,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:52:53,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:52:53,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:52:53,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 23:52:53,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:52:53,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 23:52:53,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:52:53,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 23:52:53,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 23:52:53,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:52:53,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:52:53,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:52:53,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:52:53,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:52:57,200 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2021-06-14 23:52:58,133 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 134 [2021-06-14 23:52:58,615 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 137 [2021-06-14 23:52:59,263 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 137 [2021-06-14 23:52:59,924 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 139 [2021-06-14 23:53:00,667 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 137 [2021-06-14 23:53:01,397 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 139 [2021-06-14 23:53:02,227 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 137 [2021-06-14 23:53:02,903 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2021-06-14 23:53:05,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:53:05,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:53:05,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:05,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:53:05,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:53:05,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:53:05,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:53:05,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:53:05,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:53:05,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:53:05,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:53:05,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:53:05,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:53:05,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:53:05,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:53:05,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:53:05,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:53:05,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:53:05,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:53:05,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:53:05,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:05,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:53:05,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:53:05,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:05,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:53:05,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:53:05,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:05,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:05,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:53:05,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 23:53:05,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:53:05,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:53:05,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:53:05,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:53:05,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 23:53:05,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:53:05,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 23:53:05,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:53:05,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 23:53:05,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 23:53:05,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:53:05,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:53:05,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:53:05,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:53:05,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 23:53:05,496 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1103 [2021-06-14 23:53:05,496 INFO L430 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:53:05,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:53:05,496 INFO L82 PathProgramCache]: Analyzing trace with hash 584017092, now seen corresponding path program 45 times [2021-06-14 23:53:05,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:53:05,497 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460630499] [2021-06-14 23:53:05,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:53:05,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:53:06,146 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 8 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:53:06,146 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:53:06,146 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460630499] [2021-06-14 23:53:06,146 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460630499] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:53:06,146 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1578948261] [2021-06-14 23:53:06,146 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 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:53:06,201 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-14 23:53:06,201 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 23:53:06,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 56 conjunts are in the unsatisfiable core [2021-06-14 23:53:06,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:53:06,923 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:06,924 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:06,924 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 [2021-06-14 23:53:06,925 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:53:06,928 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 [2021-06-14 23:53:06,929 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:53:06,932 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 [2021-06-14 23:53:06,933 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:53:06,936 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 [2021-06-14 23:53:06,937 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:53:06,939 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 [2021-06-14 23:53:06,940 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 23:53:06,943 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:06,943 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 [2021-06-14 23:53:06,944 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 23:53:07,021 INFO L628 ElimStorePlain]: treesize reduction 34, result has 66.7 percent of original size [2021-06-14 23:53:07,023 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2021-06-14 23:53:07,023 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:155, output treesize:62 [2021-06-14 23:53:07,677 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:07,678 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:07,678 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 [2021-06-14 23:53:07,679 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:53:07,682 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:07,682 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:07,683 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 [2021-06-14 23:53:07,684 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:53:07,687 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 [2021-06-14 23:53:07,688 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:53:07,691 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 [2021-06-14 23:53:07,692 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:53:07,730 INFO L628 ElimStorePlain]: treesize reduction 36, result has 41.0 percent of original size [2021-06-14 23:53:07,730 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-14 23:53:07,731 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 23:53:07,732 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:99, output treesize:13 [2021-06-14 23:53:07,788 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 8 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:53:07,789 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1578948261] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:53:07,789 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:53:07,789 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 46 [2021-06-14 23:53:07,789 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087636255] [2021-06-14 23:53:07,789 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-06-14 23:53:07,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:53:07,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-06-14 23:53:07,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=1960, Unknown=0, NotChecked=0, Total=2070 [2021-06-14 23:53:07,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:53:07,790 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:53:07,790 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 1.2826086956521738) internal successors, (59), 46 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 23:53:07,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:53:07,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:53:07,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:07,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:53:07,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:53:07,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:53:07,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:53:07,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:53:07,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:53:07,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:53:07,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:53:07,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:53:07,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:53:07,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:53:07,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:53:07,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:53:07,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:53:07,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:53:07,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:53:07,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:53:07,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:07,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:53:07,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:53:07,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:07,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:53:07,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:53:07,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:07,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:07,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:53:07,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 23:53:07,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:53:07,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:53:07,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:53:07,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:53:07,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 23:53:07,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:53:07,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 23:53:07,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:53:07,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 23:53:07,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 23:53:07,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:53:07,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:53:07,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:53:07,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:53:07,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 23:53:07,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:53:10,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:53:10,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:53:10,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:10,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:53:10,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:53:10,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:53:10,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:53:10,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:53:10,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:53:10,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:53:10,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:53:10,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:53:10,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:53:10,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:53:10,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:53:10,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:53:10,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:53:10,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:53:10,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:53:10,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:53:10,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:10,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:53:10,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:53:10,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:10,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:53:10,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:53:10,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:10,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:10,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:53:10,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 23:53:10,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:53:10,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:53:10,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:53:10,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:53:10,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 23:53:10,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:53:10,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 23:53:10,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:53:10,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 23:53:10,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:53:10,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:53:10,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:53:10,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:53:10,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-14 23:53:10,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 23:53:10,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:53:11,152 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1125,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:53:11,153 INFO L430 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:53:11,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:53:11,153 INFO L82 PathProgramCache]: Analyzing trace with hash -1866241922, now seen corresponding path program 46 times [2021-06-14 23:53:11,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:53:11,153 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931212991] [2021-06-14 23:53:11,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:53:11,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:53:11,951 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:53:11,951 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:53:11,951 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931212991] [2021-06-14 23:53:11,951 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931212991] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:53:11,951 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139469061] [2021-06-14 23:53:11,951 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:53:12,002 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-14 23:53:12,002 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 23:53:12,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 76 conjunts are in the unsatisfiable core [2021-06-14 23:53:12,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:53:12,640 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:12,641 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:12,641 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 [2021-06-14 23:53:12,642 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:53:12,646 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:12,646 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 [2021-06-14 23:53:12,647 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:53:12,685 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:53:12,689 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 2 xjuncts. [2021-06-14 23:53:12,689 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:79, output treesize:65 [2021-06-14 23:53:13,565 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-06-14 23:53:13,859 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-06-14 23:53:14,208 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-06-14 23:53:14,639 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-06-14 23:53:14,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,741 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:14,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,757 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:14,767 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 91 treesize of output 61 [2021-06-14 23:53:14,770 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:53:14,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,778 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:14,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,792 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:14,808 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 83 treesize of output 55 [2021-06-14 23:53:14,811 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:53:14,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,822 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:14,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,838 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:14,850 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 93 treesize of output 63 [2021-06-14 23:53:14,853 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-14 23:53:14,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,860 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:14,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:14,874 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 81 treesize of output 53 [2021-06-14 23:53:14,877 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:53:15,009 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 51 [2021-06-14 23:53:15,009 INFO L628 ElimStorePlain]: treesize reduction 44, result has 73.0 percent of original size [2021-06-14 23:53:15,015 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:15,015 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:15,016 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 [2021-06-14 23:53:15,016 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 23:53:15,021 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:15,021 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:15,022 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 [2021-06-14 23:53:15,022 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 23:53:15,032 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:53:15,037 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:15,037 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 [2021-06-14 23:53:15,037 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-14 23:53:15,096 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:53:15,098 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-14 23:53:15,098 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 10 variables, input treesize:437, output treesize:55 [2021-06-14 23:53:15,296 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:53:15,297 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139469061] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:53:15,297 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:53:15,297 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 46 [2021-06-14 23:53:15,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950651318] [2021-06-14 23:53:15,297 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-06-14 23:53:15,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:53:15,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-06-14 23:53:15,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=1976, Unknown=0, NotChecked=0, Total=2070 [2021-06-14 23:53:15,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:53:15,298 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:53:15,298 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 46 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 23:53:15,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:53:15,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:53:15,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:15,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:53:15,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:53:15,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:53:15,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:53:15,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:53:15,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:53:15,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:53:15,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:53:15,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:53:15,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:53:15,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:53:15,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:53:15,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:53:15,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:53:15,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:53:15,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:53:15,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:53:15,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:15,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:53:15,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:53:15,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:15,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:53:15,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:53:15,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:15,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:15,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:53:15,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 23:53:15,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:53:15,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:53:15,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:53:15,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:53:15,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 23:53:15,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:53:15,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 23:53:15,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:53:15,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 23:53:15,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:53:15,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:53:15,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:53:15,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:53:15,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-14 23:53:15,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 23:53:15,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:53:15,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:53:19,595 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2021-06-14 23:53:20,018 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-06-14 23:53:20,423 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2021-06-14 23:53:20,934 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 95 [2021-06-14 23:53:21,423 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2021-06-14 23:53:22,046 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2021-06-14 23:53:22,779 WARN L205 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 109 [2021-06-14 23:53:23,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:53:23,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:53:23,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:23,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:53:23,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:53:23,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:53:23,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:53:23,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:53:23,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:53:23,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:53:23,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:53:23,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:53:23,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:53:23,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:53:23,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:53:23,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:53:23,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:53:23,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:53:23,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:53:23,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:53:23,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:23,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:53:23,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:53:23,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:23,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:53:23,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:53:23,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:23,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:23,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:53:23,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 23:53:23,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:53:23,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:53:23,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:53:23,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:53:23,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 23:53:23,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:53:23,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 23:53:23,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:53:23,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 23:53:23,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:53:23,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:53:23,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:53:23,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:53:23,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-14 23:53:23,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 23:53:23,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:53:23,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 23:53:23,255 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1135 [2021-06-14 23:53:23,255 INFO L430 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:53:23,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:53:23,255 INFO L82 PathProgramCache]: Analyzing trace with hash -2018264550, now seen corresponding path program 47 times [2021-06-14 23:53:23,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:53:23,255 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091306660] [2021-06-14 23:53:23,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:53:23,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:53:23,867 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 8 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:53:23,867 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:53:23,867 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091306660] [2021-06-14 23:53:23,867 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091306660] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:53:23,867 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [951666689] [2021-06-14 23:53:23,867 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 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:53:23,940 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-14 23:53:23,940 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 23:53:23,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 56 conjunts are in the unsatisfiable core [2021-06-14 23:53:23,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:53:24,319 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:24,319 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 [2021-06-14 23:53:24,320 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:53:24,322 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 [2021-06-14 23:53:24,323 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:53:24,342 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:53:24,342 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 23:53:24,342 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:53, output treesize:39 [2021-06-14 23:53:24,866 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 [2021-06-14 23:53:24,868 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:53:24,871 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:24,871 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 [2021-06-14 23:53:24,873 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:53:24,876 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:24,876 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 [2021-06-14 23:53:24,877 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:53:24,879 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-14 23:53:24,880 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:53:24,899 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-06-14 23:53:24,900 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-14 23:53:24,900 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 23:53:24,900 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-14 23:53:24,951 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 8 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:53:24,952 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [951666689] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:53:24,952 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:53:24,952 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 45 [2021-06-14 23:53:24,952 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980054762] [2021-06-14 23:53:24,952 INFO L462 AbstractCegarLoop]: Interpolant automaton has 45 states [2021-06-14 23:53:24,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:53:24,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-06-14 23:53:24,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=1874, Unknown=0, NotChecked=0, Total=1980 [2021-06-14 23:53:24,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:53:24,957 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:53:24,957 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 45 states, 45 states have (on average 1.2666666666666666) internal successors, (57), 45 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 23:53:24,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:53:24,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:53:24,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:24,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:53:24,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:53:24,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:53:24,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:53:24,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:53:24,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:53:24,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:53:24,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:53:24,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:53:24,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:53:24,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:53:24,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:53:24,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:53:24,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:53:24,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:53:24,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:53:24,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:53:24,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:24,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:53:24,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:53:24,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:24,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:53:24,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:53:24,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:24,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:24,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:53:24,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 23:53:24,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:53:24,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:53:24,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:53:24,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:53:24,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 23:53:24,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:53:24,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 23:53:24,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:53:24,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 23:53:24,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:53:24,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:53:24,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:53:24,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:53:24,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-14 23:53:24,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 23:53:24,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:53:24,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 23:53:24,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:53:27,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:53:27,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:53:27,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:27,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:53:27,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:53:27,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:53:27,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:53:27,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:53:27,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:53:27,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:53:27,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:53:27,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:53:27,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:53:27,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:53:27,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:53:27,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:53:27,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:53:27,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:53:27,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:53:27,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:53:27,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:27,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:53:27,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:53:27,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:27,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:53:27,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:53:27,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:27,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:27,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:53:27,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 23:53:27,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:53:27,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:53:27,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:53:27,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:53:27,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 23:53:27,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:53:27,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 23:53:27,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:53:27,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 23:53:27,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:53:27,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:53:27,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:53:27,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:53:27,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-14 23:53:27,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 23:53:27,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:53:27,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 23:53:27,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:53:27,474 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1161,50 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:53:27,474 INFO L430 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:53:27,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:53:27,474 INFO L82 PathProgramCache]: Analyzing trace with hash -1547578392, now seen corresponding path program 48 times [2021-06-14 23:53:27,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:53:27,474 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705329489] [2021-06-14 23:53:27,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:53:27,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:53:28,205 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:53:28,205 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:53:28,205 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705329489] [2021-06-14 23:53:28,205 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705329489] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:53:28,205 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [169624065] [2021-06-14 23:53:28,205 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 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:53:28,257 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-14 23:53:28,257 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-14 23:53:28,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 56 conjunts are in the unsatisfiable core [2021-06-14 23:53:28,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:53:28,662 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:28,662 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 [2021-06-14 23:53:28,663 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:53:28,665 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 [2021-06-14 23:53:28,666 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:53:28,685 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:53:28,686 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-14 23:53:28,686 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:53, output treesize:39 [2021-06-14 23:53:29,058 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:29,059 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 [2021-06-14 23:53:29,059 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:53:29,061 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 [2021-06-14 23:53:29,062 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:53:29,080 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-14 23:53:29,080 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-14 23:53:29,080 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-14 23:53:29,080 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-14 23:53:29,128 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:53:29,129 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [169624065] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:53:29,129 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:53:29,129 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 45 [2021-06-14 23:53:29,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460304296] [2021-06-14 23:53:29,129 INFO L462 AbstractCegarLoop]: Interpolant automaton has 45 states [2021-06-14 23:53:29,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:53:29,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-06-14 23:53:29,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=1874, Unknown=0, NotChecked=0, Total=1980 [2021-06-14 23:53:29,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:53:29,130 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:53:29,130 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 45 states, 45 states have (on average 1.288888888888889) internal successors, (58), 45 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 23:53:29,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:53:29,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:53:29,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:29,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:53:29,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:53:29,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:53:29,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:53:29,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:53:29,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:53:29,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:53:29,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:53:29,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:53:29,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:53:29,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:53:29,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:53:29,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:53:29,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:53:29,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:53:29,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:53:29,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:53:29,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:29,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:53:29,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:53:29,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:29,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:53:29,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:53:29,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:29,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:29,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:53:29,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 23:53:29,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:53:29,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:53:29,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:53:29,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:53:29,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 23:53:29,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:53:29,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 23:53:29,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:53:29,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 23:53:29,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:53:29,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:53:29,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:53:29,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:53:29,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-14 23:53:29,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 23:53:29,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:53:29,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 23:53:29,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:53:29,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:53:31,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:53:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:53:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:53:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:53:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:53:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:53:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:53:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:53:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:53:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:53:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:53:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:53:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:53:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:53:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:53:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:53:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:53:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:53:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:53:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:53:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:53:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:53:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:53:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:53:31,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-14 23:53:31,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:53:31,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:53:31,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:53:31,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:53:31,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-14 23:53:31,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:53:31,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-14 23:53:31,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:53:31,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-14 23:53:31,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:53:31,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:53:31,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:53:31,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:53:31,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-14 23:53:31,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 23:53:31,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:53:31,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-14 23:53:31,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:53:31,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:53:31,500 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1167 [2021-06-14 23:53:31,500 INFO L430 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 23:53:31,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 23:53:31,500 INFO L82 PathProgramCache]: Analyzing trace with hash -729629712, now seen corresponding path program 49 times [2021-06-14 23:53:31,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 23:53:31,501 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717419936] [2021-06-14 23:53:31,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 23:53:31,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:53:33,296 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:53:33,296 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 23:53:33,296 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717419936] [2021-06-14 23:53:33,296 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717419936] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:53:33,296 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956184653] [2021-06-14 23:53:33,296 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 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-14 23:53:33,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 23:53:33,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 108 conjunts are in the unsatisfiable core [2021-06-14 23:53:33,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-14 23:53:35,866 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 234 [2021-06-14 23:53:36,749 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 161 [2021-06-14 23:53:37,752 WARN L205 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 242 [2021-06-14 23:53:38,975 WARN L205 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 169 [2021-06-14 23:53:40,411 WARN L205 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 250 [2021-06-14 23:53:41,852 WARN L205 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 254 [2021-06-14 23:53:43,637 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 297 DAG size of output: 258 [2021-06-14 23:53:43,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,929 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:43,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,939 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:43,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,952 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:43,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,954 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:43,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,960 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:43,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,969 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:43,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,971 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:43,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:43,973 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:43,987 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:43,998 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:44,011 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:44,014 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:44,023 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:44,037 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:44,041 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:44,043 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:44,043 INFO L244 Elim1Store]: Index analysis took 126 ms [2021-06-14 23:53:44,044 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 181 treesize of output 119 [2021-06-14 23:53:44,047 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:53:44,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,079 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:44,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,092 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:44,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,111 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:44,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,115 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:44,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,123 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:44,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,135 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:44,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,139 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:44,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:44,141 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:44,142 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 [2021-06-14 23:53:44,145 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:53:45,488 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 228 DAG size of output: 222 [2021-06-14 23:53:45,489 INFO L628 ElimStorePlain]: treesize reduction 199, result has 80.3 percent of original size [2021-06-14 23:53:45,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,500 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:45,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,521 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:45,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,525 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:45,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,532 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:45,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,541 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:45,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,546 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:45,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,549 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:45,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,561 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:45,563 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:45,594 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:45,599 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:45,606 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:45,617 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:45,623 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:45,627 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:45,630 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:45,631 INFO L244 Elim1Store]: Index analysis took 131 ms [2021-06-14 23:53:45,631 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 [2021-06-14 23:53:45,633 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-14 23:53:45,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,644 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:45,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,668 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:45,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,672 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:45,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,680 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:45,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,694 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:45,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,702 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:45,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,705 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:45,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:45,707 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:45,708 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 [2021-06-14 23:53:45,710 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:53:46,025 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2021-06-14 23:53:46,026 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:53:46,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,037 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:46,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,055 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:46,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,064 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:46,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,070 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:46,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,074 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:46,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,078 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:46,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,082 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:46,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:46,083 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:46,084 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 171 treesize of output 111 [2021-06-14 23:53:46,085 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 23:53:46,358 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2021-06-14 23:53:46,359 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:53:46,381 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 3 dim-1 vars, End of recursive call: 10 dim-0 vars, and 5 xjuncts. [2021-06-14 23:53:46,382 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 9 variables, input treesize:1162, output treesize:559 [2021-06-14 23:53:48,961 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 269 DAG size of output: 168 [2021-06-14 23:53:51,949 WARN L205 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 162 [2021-06-14 23:53:52,491 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2021-06-14 23:53:53,070 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2021-06-14 23:53:53,782 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2021-06-14 23:53:54,497 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2021-06-14 23:53:55,355 WARN L205 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2021-06-14 23:53:55,905 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2021-06-14 23:53:56,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,009 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:56,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,034 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:56,056 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 95 treesize of output 63 [2021-06-14 23:53:56,059 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-14 23:53:56,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,075 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:56,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,091 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 97 treesize of output 65 [2021-06-14 23:53:56,095 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-14 23:53:56,505 WARN L205 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 135 [2021-06-14 23:53:56,505 INFO L628 ElimStorePlain]: treesize reduction 114, result has 76.9 percent of original size [2021-06-14 23:53:56,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,517 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:56,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:56,535 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 [2021-06-14 23:53:56,538 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-14 23:53:56,700 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-06-14 23:53:56,701 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:53:56,710 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:56,710 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:56,711 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 [2021-06-14 23:53:56,711 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-14 23:53:56,719 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:56,719 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 [2021-06-14 23:53:56,720 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-14 23:53:56,732 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:53:56,891 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-06-14 23:53:56,891 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:53:56,899 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:56,899 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:56,900 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 [2021-06-14 23:53:56,900 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-14 23:53:56,908 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:56,908 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 [2021-06-14 23:53:56,909 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-14 23:53:57,062 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-06-14 23:53:57,063 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:53:57,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,074 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:57,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,113 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:57,137 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 96 treesize of output 64 [2021-06-14 23:53:57,140 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-14 23:53:57,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,150 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:57,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-14 23:53:57,168 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 [2021-06-14 23:53:57,171 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-14 23:53:57,251 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:53:57,257 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:57,257 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:57,258 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 [2021-06-14 23:53:57,258 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-14 23:53:57,263 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-14 23:53:57,264 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 11 treesize of output 3 [2021-06-14 23:53:57,264 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-14 23:53:57,335 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-14 23:53:57,338 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 6 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-14 23:53:57,338 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 12 variables, input treesize:661, output treesize:31 [2021-06-14 23:53:57,538 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 23:53:57,538 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1956184653] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-14 23:53:57,538 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-14 23:53:57,538 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 30] total 58 [2021-06-14 23:53:57,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305700429] [2021-06-14 23:53:57,539 INFO L462 AbstractCegarLoop]: Interpolant automaton has 58 states [2021-06-14 23:53:57,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 23:53:57,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-06-14 23:53:57,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=3182, Unknown=0, NotChecked=0, Total=3306 [2021-06-14 23:53:57,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:53:57,540 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 23:53:57,540 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 58 states, 58 states have (on average 1.206896551724138) internal successors, (70), 58 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 23:53:57,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-14 23:53:57,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:53:57,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:57,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:53:57,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:53:57,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-14 23:53:57,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-14 23:53:57,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:53:57,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:53:57,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:53:57,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-14 23:53:57,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-14 23:53:57,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-14 23:53:57,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:53:57,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:53:57,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-14 23:53:57,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:53:57,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:53:57,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:53:57,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-14 23:53:57,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:57,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:53:57,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:53:57,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:57,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-14 23:53:57,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-14 23:53:57,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:57,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-14 23:53:57,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:53:57,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-14 23:53:57,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:53:57,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:53:57,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:53:57,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-14 23:53:57,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-14 23:53:57,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:53:57,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-14 23:53:57,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:53:57,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-14 23:53:57,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-14 23:53:57,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:53:57,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-14 23:53:57,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:53:57,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-14 23:53:57,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 23:53:57,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:53:57,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-14 23:53:57,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:53:57,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-14 23:53:57,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 23:54:02,342 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 71 [2021-06-14 23:54:03,376 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 88 [2021-06-14 23:54:04,706 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 176 [2021-06-14 23:54:05,549 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-06-14 23:54:05,750 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1170 [2021-06-14 23:54:05,751 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.getOrConstructPredicateForConjunction(PredicateUnifier.java:388) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:281) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:200) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.search(SleepSetNewStateReduction.java:159) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.(SleepSetNewStateReduction.java:111) at de.uni_freiburg.informatik.ultimate.automata.partialorder.PersistentSetReduction.applyNewStateReduction(PersistentSetReduction.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:159) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:192) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:509) 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:364) 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) ... 52 more [2021-06-14 23:54:05,759 INFO L168 Benchmark]: Toolchain (without parser) took 338838.00 ms. Allocated memory was 175.1 MB in the beginning and 653.3 MB in the end (delta: 478.2 MB). Free memory was 155.1 MB in the beginning and 460.7 MB in the end (delta: -305.6 MB). Peak memory consumption was 173.5 MB. Max. memory is 8.0 GB. [2021-06-14 23:54:05,759 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 175.1 MB. Free memory is still 156.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-14 23:54:05,759 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.03 ms. Allocated memory is still 175.1 MB. Free memory was 155.0 MB in the beginning and 153.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-14 23:54:05,759 INFO L168 Benchmark]: Boogie Preprocessor took 31.20 ms. Allocated memory is still 175.1 MB. Free memory was 153.6 MB in the beginning and 152.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-14 23:54:05,759 INFO L168 Benchmark]: RCFGBuilder took 384.50 ms. Allocated memory is still 175.1 MB. Free memory was 152.5 MB in the beginning and 130.9 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-06-14 23:54:05,759 INFO L168 Benchmark]: TraceAbstraction took 338390.48 ms. Allocated memory was 175.1 MB in the beginning and 653.3 MB in the end (delta: 478.2 MB). Free memory was 130.4 MB in the beginning and 460.7 MB in the end (delta: -330.4 MB). Peak memory consumption was 148.3 MB. Max. memory is 8.0 GB. [2021-06-14 23:54:05,760 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 175.1 MB. Free memory is still 156.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 27.03 ms. Allocated memory is still 175.1 MB. Free memory was 155.0 MB in the beginning and 153.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 31.20 ms. Allocated memory is still 175.1 MB. Free memory was 153.6 MB in the beginning and 152.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 384.50 ms. Allocated memory is still 175.1 MB. Free memory was 152.5 MB in the beginning and 130.9 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 338390.48 ms. Allocated memory was 175.1 MB in the beginning and 653.3 MB in the end (delta: 478.2 MB). Free memory was 130.4 MB in the beginning and 460.7 MB in the end (delta: -330.4 MB). Peak memory consumption was 148.3 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...