/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-NewStatesSleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-trans.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 06:16:21,980 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 06:16:21,982 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 06:16:22,006 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 06:16:22,062 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-NewStatesSleep-NoLbe-Lockstep.epf [2021-07-14 06:16:22,079 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 06:16:22,079 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 06:16:22,093 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 06:16:22,093 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 06:16:22,094 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 06:16:22,094 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 06:16:22,094 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 06:16:22,094 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 06:16:22,094 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 06:16:22,095 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 06:16:22,095 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 06:16:22,095 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 06:16:22,095 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 06:16:22,095 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 06:16:22,095 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 06:16:22,095 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 06:16:22,095 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 06:16:22,095 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 06:16:22,095 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 06:16:22,096 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 06:16:22,096 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 06:16:22,096 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 06:16:22,096 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 06:16:22,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 06:16:22,096 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 06:16:22,096 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 06:16:22,096 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 06:16:22,096 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 06:16:22,097 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 06:16:22,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 06:16:22,097 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 06:16:22,097 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 06:16:22,097 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 06:16:22,097 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-14 06:16:22,097 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 06:16:22,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 06:16:22,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 06:16:22,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 06:16:22,395 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 06:16:22,396 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 06:16:22,396 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-trans.wvr.bpl [2021-07-14 06:16:22,397 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-trans.wvr.bpl' [2021-07-14 06:16:22,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 06:16:22,426 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 06:16:22,427 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 06:16:22,427 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 06:16:22,427 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 06:16:22,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:16:22" (1/1) ... [2021-07-14 06:16:22,444 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:16:22" (1/1) ... [2021-07-14 06:16:22,449 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 06:16:22,451 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 06:16:22,451 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 06:16:22,451 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 06:16:22,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:16:22" (1/1) ... [2021-07-14 06:16:22,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:16:22" (1/1) ... [2021-07-14 06:16:22,465 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:16:22" (1/1) ... [2021-07-14 06:16:22,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:16:22" (1/1) ... [2021-07-14 06:16:22,473 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:16:22" (1/1) ... [2021-07-14 06:16:22,475 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:16:22" (1/1) ... [2021-07-14 06:16:22,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:16:22" (1/1) ... [2021-07-14 06:16:22,476 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 06:16:22,477 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 06:16:22,477 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 06:16:22,477 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 06:16:22,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:16:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 06:16:22,534 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 06:16:22,535 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 06:16:22,535 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 06:16:22,535 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 06:16:22,535 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 06:16:22,535 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 06:16:22,535 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 06:16:22,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 06:16:22,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 06:16:22,536 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-14 06:16:22,536 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-14 06:16:22,536 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-14 06:16:22,536 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 06:16:22,750 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 06:16:22,750 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-07-14 06:16:22,751 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-14 06:16:22,751 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-14 06:16:22,751 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2021-07-14 06:16:22,752 INFO L202 PluginConnector]: Adding new model array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 06:16:22 BoogieIcfgContainer [2021-07-14 06:16:22,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 06:16:22,753 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 06:16:22,753 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 06:16:22,755 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 06:16:22,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 06:16:22" (1/2) ... [2021-07-14 06:16:22,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ec3eac6 and model type array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 06:16:22, skipping insertion in model container [2021-07-14 06:16:22,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 06:16:22" (2/2) ... [2021-07-14 06:16:22,757 INFO L111 eAbstractionObserver]: Analyzing ICFG array-int-trans.wvr.bpl [2021-07-14 06:16:22,760 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 06:16:22,761 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 06:16:22,761 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 06:16:22,761 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 06:16:22,802 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-14 06:16:22,816 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 06:16:22,963 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 06:16:22,963 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 06:16:22,963 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 06:16:22,963 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 06:16:22,963 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 06:16:22,963 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 06:16:22,963 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 06:16:22,963 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 06:16:23,007 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:16:23,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:16:23,017 INFO L82 PathProgramCache]: Analyzing trace with hash -42090620, now seen corresponding path program 1 times [2021-07-14 06:16:23,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:16:23,023 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390700440] [2021-07-14 06:16:23,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:16:23,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:16:23,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:23,200 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:16:23,200 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390700440] [2021-07-14 06:16:23,200 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390700440] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 06:16:23,200 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 06:16:23,201 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-14 06:16:23,201 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708131229] [2021-07-14 06:16:23,204 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 06:16:23,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:16:23,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 06:16:23,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-14 06:16:23,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:23,222 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:16:23,228 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:16:23,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:23,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:23,282 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 06:16:23,282 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:16:23,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:16:23,285 INFO L82 PathProgramCache]: Analyzing trace with hash 81600902, now seen corresponding path program 1 times [2021-07-14 06:16:23,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:16:23,285 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430291302] [2021-07-14 06:16:23,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:16:23,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:16:23,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:23,390 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:16:23,390 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430291302] [2021-07-14 06:16:23,390 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430291302] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:23,390 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [372212151] [2021-07-14 06:16:23,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:16:23,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:16:23,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 06:16:23,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:16:23,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:23,556 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [372212151] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:23,556 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:16:23,556 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-07-14 06:16:23,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831932646] [2021-07-14 06:16:23,558 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 06:16:23,558 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:16:23,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 06:16:23,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-14 06:16:23,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:23,559 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:16:23,559 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:16:23,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:23,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:23,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:23,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:23,851 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:16:23,852 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:16:23,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:16:23,852 INFO L82 PathProgramCache]: Analyzing trace with hash -1304149036, now seen corresponding path program 1 times [2021-07-14 06:16:23,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:16:23,853 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460486801] [2021-07-14 06:16:23,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:16:23,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:16:23,902 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:23,902 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:16:23,902 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460486801] [2021-07-14 06:16:23,902 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460486801] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:23,902 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513446232] [2021-07-14 06:16:23,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:16:24,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:16:24,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-14 06:16:24,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:16:24,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:24,135 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1513446232] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:24,135 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:16:24,135 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-07-14 06:16:24,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393242049] [2021-07-14 06:16:24,136 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 06:16:24,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:16:24,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 06:16:24,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-07-14 06:16:24,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:24,137 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:16:24,137 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 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) [2021-07-14 06:16:24,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:24,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:24,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:24,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:24,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:24,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:24,481 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:16:24,481 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:16:24,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:16:24,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1174799266, now seen corresponding path program 1 times [2021-07-14 06:16:24,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:16:24,482 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795257560] [2021-07-14 06:16:24,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:16:24,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:16:24,523 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:24,523 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:16:24,523 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795257560] [2021-07-14 06:16:24,524 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795257560] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:24,524 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984634587] [2021-07-14 06:16:24,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:16:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:16:24,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-14 06:16:24,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:16:24,676 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:24,676 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [984634587] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:24,677 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:16:24,677 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-07-14 06:16:24,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891186311] [2021-07-14 06:16:24,677 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 06:16:24,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:16:24,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 06:16:24,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-07-14 06:16:24,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:24,678 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:16:24,678 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 9 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:16:24,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:24,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:24,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:24,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:24,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:24,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:24,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:24,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:24,948 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:16:24,949 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:16:24,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:16:24,949 INFO L82 PathProgramCache]: Analyzing trace with hash -849518296, now seen corresponding path program 1 times [2021-07-14 06:16:24,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:16:24,950 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281574695] [2021-07-14 06:16:24,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:16:24,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:16:24,993 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:24,993 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:16:24,993 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281574695] [2021-07-14 06:16:24,994 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281574695] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:24,994 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615681941] [2021-07-14 06:16:24,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:16:25,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:16:25,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 06:16:25,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:16:25,099 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:25,099 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1615681941] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:25,099 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:16:25,099 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-07-14 06:16:25,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172813024] [2021-07-14 06:16:25,100 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 06:16:25,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:16:25,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 06:16:25,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-07-14 06:16:25,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:25,100 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:16:25,100 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:16:25,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:25,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:25,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:25,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:25,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:25,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:25,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:25,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:25,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:25,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:25,383 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-07-14 06:16:25,384 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:16:25,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:16:25,384 INFO L82 PathProgramCache]: Analyzing trace with hash -564603216, now seen corresponding path program 1 times [2021-07-14 06:16:25,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:16:25,384 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672133962] [2021-07-14 06:16:25,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:16:25,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:16:25,748 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:25,749 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:16:25,749 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672133962] [2021-07-14 06:16:25,749 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672133962] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:25,749 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1780816352] [2021-07-14 06:16:25,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:16:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:16:25,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 23 conjunts are in the unsatisfiable core [2021-07-14 06:16:25,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:16:26,108 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:26,108 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:26,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:16:26,114 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:26,117 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:26,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 06:16:26,119 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:26,151 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:26,154 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:26,155 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:26,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-14 06:16:26,157 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:26,160 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:26,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-07-14 06:16:26,162 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-07-14 06:16:26,193 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:26,201 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-07-14 06:16:26,201 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:123, output treesize:111 [2021-07-14 06:16:26,582 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 15=[array_0]} [2021-07-14 06:16:26,587 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:26,588 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 18 treesize of output 14 [2021-07-14 06:16:26,588 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:26,593 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:26,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 06:16:26,594 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:26,599 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:26,600 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 15 treesize of output 11 [2021-07-14 06:16:26,600 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:26,605 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:26,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-07-14 06:16:26,606 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-07-14 06:16:26,611 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:26,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-07-14 06:16:26,612 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:26,617 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:26,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-14 06:16:26,619 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:26,623 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:26,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-14 06:16:26,625 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:26,629 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:26,629 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 37 treesize of output 29 [2021-07-14 06:16:26,631 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2021-07-14 06:16:26,636 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:26,636 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 35 treesize of output 27 [2021-07-14 06:16:26,639 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 4 xjuncts. [2021-07-14 06:16:26,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-07-14 06:16:26,645 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2021-07-14 06:16:26,939 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 85 [2021-07-14 06:16:26,940 INFO L628 ElimStorePlain]: treesize reduction 148, result has 71.4 percent of original size [2021-07-14 06:16:26,945 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:26,945 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:26,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 06:16:26,947 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:26,951 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:26,951 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:26,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 06:16:26,953 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:26,961 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:26,965 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:26,966 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:26,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-07-14 06:16:26,966 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:26,971 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:26,971 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:26,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-07-14 06:16:26,972 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:26,977 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:26,977 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:26,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-07-14 06:16:26,978 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:26,982 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:26,983 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:26,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-07-14 06:16:26,984 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:26,992 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:26,997 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:26,997 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:26,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-07-14 06:16:26,998 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:27,002 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:27,003 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:27,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 19 [2021-07-14 06:16:27,004 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:27,016 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:27,020 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:27,020 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:27,021 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 20 treesize of output 9 [2021-07-14 06:16:27,022 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:27,026 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:27,026 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:27,026 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 21 treesize of output 7 [2021-07-14 06:16:27,027 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:27,031 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:27,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 06:16:27,032 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:27,039 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:27,144 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-07-14 06:16:27,144 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:27,150 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-07-14 06:16:27,150 INFO L247 ElimStorePlain]: Needed 22 recursive calls to eliminate 7 variables, input treesize:419, output treesize:179 [2021-07-14 06:16:27,304 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2021-07-14 06:16:27,370 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:27,371 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1780816352] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:27,371 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:16:27,371 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 16 [2021-07-14 06:16:27,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881613482] [2021-07-14 06:16:27,371 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-14 06:16:27,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:16:27,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-14 06:16:27,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2021-07-14 06:16:27,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:27,372 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:16:27,372 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) [2021-07-14 06:16:27,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:27,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:27,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:27,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:27,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:27,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:27,916 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 87 [2021-07-14 06:16:27,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:27,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:27,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:27,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:27,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:27,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:28,147 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:16:28,147 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:16:28,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:16:28,148 INFO L82 PathProgramCache]: Analyzing trace with hash -313595210, now seen corresponding path program 2 times [2021-07-14 06:16:28,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:16:28,148 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659901578] [2021-07-14 06:16:28,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:16:28,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:16:28,321 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:28,321 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:16:28,321 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659901578] [2021-07-14 06:16:28,321 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659901578] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:28,322 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1951585745] [2021-07-14 06:16:28,322 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:16:28,372 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 06:16:28,372 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:16:28,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-14 06:16:28,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:16:28,754 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:28,754 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:28,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:16:28,755 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:28,758 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:28,759 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:28,759 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 25 treesize of output 19 [2021-07-14 06:16:28,760 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:28,763 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:28,763 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:28,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:16:28,777 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:28,780 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:28,780 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:28,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-07-14 06:16:28,782 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:28,785 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:28,785 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:28,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:16:28,786 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:28,790 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:28,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:16:28,791 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:28,884 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.5 percent of original size [2021-07-14 06:16:28,891 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. [2021-07-14 06:16:28,891 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:193, output treesize:125 [2021-07-14 06:16:29,123 INFO L446 ElimStorePlain]: Different costs {0=[array_4, v_prenex_13], 1=[array_0, v_prenex_12]} [2021-07-14 06:16:29,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-07-14 06:16:29,127 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 06:16:29,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-14 06:16:29,131 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:29,170 INFO L628 ElimStorePlain]: treesize reduction 59, result has 52.0 percent of original size [2021-07-14 06:16:29,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 06:16:29,174 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:29,190 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:29,193 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:29,195 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:29,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 06:16:29,197 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:29,199 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:29,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 06:16:29,200 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:29,207 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:29,221 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:29,221 INFO L518 ElimStorePlain]: Eliminatee v_prenex_12 vanished before elimination [2021-07-14 06:16:29,223 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 06:16:29,223 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:119, output treesize:18 [2021-07-14 06:16:29,249 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:29,249 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1951585745] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:29,249 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:16:29,249 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2021-07-14 06:16:29,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734013641] [2021-07-14 06:16:29,250 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-14 06:16:29,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:16:29,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-14 06:16:29,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-07-14 06:16:29,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:29,250 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:16:29,250 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.7777777777777777) internal successors, (32), 18 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:16:29,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:29,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:29,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:29,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:29,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:29,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:29,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:29,760 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2021-07-14 06:16:30,079 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 68 [2021-07-14 06:16:30,238 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2021-07-14 06:16:30,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:30,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:30,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:30,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:30,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:30,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:30,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:30,483 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:16:30,483 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:16:30,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:16:30,484 INFO L82 PathProgramCache]: Analyzing trace with hash -1130856734, now seen corresponding path program 3 times [2021-07-14 06:16:30,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:16:30,484 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420057420] [2021-07-14 06:16:30,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:16:30,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:16:30,629 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:30,629 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:16:30,629 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420057420] [2021-07-14 06:16:30,629 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420057420] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:30,629 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [661181002] [2021-07-14 06:16:30,629 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 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:16:30,658 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-07-14 06:16:30,659 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:16:30,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-14 06:16:30,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:16:30,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-14 06:16:30,744 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:30,746 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 8 treesize of output 6 [2021-07-14 06:16:30,747 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:30,749 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:30,749 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 17 treesize of output 13 [2021-07-14 06:16:30,750 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:30,752 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 7 treesize of output 5 [2021-07-14 06:16:30,753 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:30,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 06:16:30,755 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:30,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:16:30,758 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:30,793 INFO L628 ElimStorePlain]: treesize reduction 22, result has 59.3 percent of original size [2021-07-14 06:16:30,794 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 06:16:30,794 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-07-14 06:16:30,839 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:30,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:16:30,840 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:30,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-14 06:16:30,843 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:30,844 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:30,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 06:16:30,846 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:30,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 06:16:30,848 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:30,861 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-07-14 06:16:30,861 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 06:16:30,862 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:16:30,862 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-14 06:16:30,890 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:30,890 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [661181002] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:30,890 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:16:30,890 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 15 [2021-07-14 06:16:30,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654904306] [2021-07-14 06:16:30,891 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-14 06:16:30,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:16:30,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-14 06:16:30,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-07-14 06:16:30,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:30,891 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:16:30,891 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 2.0) internal successors, (30), 15 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:16:30,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:30,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:30,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:30,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:30,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:30,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:30,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:30,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:31,741 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 117 [2021-07-14 06:16:31,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:31,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:31,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:31,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:31,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:31,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:16:31,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:31,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:16:32,033 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable64 [2021-07-14 06:16:32,033 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:16:32,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:16:32,034 INFO L82 PathProgramCache]: Analyzing trace with hash -322170328, now seen corresponding path program 4 times [2021-07-14 06:16:32,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:16:32,034 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160736210] [2021-07-14 06:16:32,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:16:32,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:16:32,234 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:32,235 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:16:32,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160736210] [2021-07-14 06:16:32,235 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160736210] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:32,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1376149740] [2021-07-14 06:16:32,235 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:16:32,264 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 06:16:32,264 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:16:32,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 23 conjunts are in the unsatisfiable core [2021-07-14 06:16:32,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:16:32,603 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:32,604 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:32,604 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 27 treesize of output 21 [2021-07-14 06:16:32,605 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 06:16:32,608 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:32,609 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 25 treesize of output 19 [2021-07-14 06:16:32,609 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:32,670 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:32,675 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:32,676 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:32,677 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 25 treesize of output 19 [2021-07-14 06:16:32,678 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:32,681 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:32,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:16:32,682 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:32,741 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:32,758 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:32,758 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:32,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:16:32,759 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:32,762 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:32,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 06:16:32,763 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:32,810 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:32,840 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 6 dim-0 vars, and 6 xjuncts. [2021-07-14 06:16:32,840 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:172, output treesize:146 [2021-07-14 06:16:33,289 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 21=[array_0]} [2021-07-14 06:16:33,294 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:33,294 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 16 treesize of output 12 [2021-07-14 06:16:33,295 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:33,298 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:33,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:16:33,299 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:33,304 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:33,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-07-14 06:16:33,305 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:33,309 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:33,309 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 25 treesize of output 19 [2021-07-14 06:16:33,310 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:33,314 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:33,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-07-14 06:16:33,315 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:33,319 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:33,319 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 27 treesize of output 21 [2021-07-14 06:16:33,320 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:33,324 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:33,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-07-14 06:16:33,325 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:33,329 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:33,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:16:33,330 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:33,334 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:33,334 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 25 treesize of output 19 [2021-07-14 06:16:33,335 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:33,338 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:33,339 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 19 treesize of output 15 [2021-07-14 06:16:33,340 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:33,343 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:33,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-07-14 06:16:33,344 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:33,349 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 15 treesize of output 11 [2021-07-14 06:16:33,349 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:33,510 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2021-07-14 06:16:33,510 INFO L628 ElimStorePlain]: treesize reduction 122, result has 52.0 percent of original size [2021-07-14 06:16:33,514 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:33,514 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:33,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-07-14 06:16:33,515 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:33,526 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:33,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-07-14 06:16:33,527 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:33,595 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:33,600 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-07-14 06:16:33,600 INFO L247 ElimStorePlain]: Needed 15 recursive calls to eliminate 8 variables, input treesize:405, output treesize:58 [2021-07-14 06:16:33,704 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:33,705 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1376149740] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:33,705 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:16:33,705 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2021-07-14 06:16:33,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478018619] [2021-07-14 06:16:33,707 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-14 06:16:33,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:16:33,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-14 06:16:33,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2021-07-14 06:16:33,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:33,708 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:16:33,708 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.7777777777777777) internal successors, (32), 18 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:16:33,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:33,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:33,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:33,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:33,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:33,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:16:33,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:33,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:16:33,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:34,097 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2021-07-14 06:16:34,232 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2021-07-14 06:16:34,455 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 94 [2021-07-14 06:16:34,657 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 101 [2021-07-14 06:16:34,811 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2021-07-14 06:16:34,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:34,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:34,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:34,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:34,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:34,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:16:34,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:34,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:16:34,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:35,126 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:16:35,127 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:16:35,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:16:35,127 INFO L82 PathProgramCache]: Analyzing trace with hash 2059699062, now seen corresponding path program 1 times [2021-07-14 06:16:35,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:16:35,127 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825221919] [2021-07-14 06:16:35,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:16:35,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:16:35,159 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 06:16:35,159 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:16:35,159 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825221919] [2021-07-14 06:16:35,160 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825221919] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:35,160 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [518325154] [2021-07-14 06:16:35,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:16:35,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:16:35,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 06:16:35,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:16:35,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 06:16:35,291 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [518325154] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:35,291 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:16:35,291 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-07-14 06:16:35,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992812973] [2021-07-14 06:16:35,292 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 06:16:35,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:16:35,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 06:16:35,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-14 06:16:35,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:35,292 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:16:35,292 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:16:35,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:35,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:35,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:35,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:35,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:35,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:16:35,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:35,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:16:35,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:35,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:35,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:35,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:35,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:35,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:35,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:35,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:16:35,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:35,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:16:35,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:35,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:35,629 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:16:35,629 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:16:35,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:16:35,630 INFO L82 PathProgramCache]: Analyzing trace with hash -2016954926, now seen corresponding path program 5 times [2021-07-14 06:16:35,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:16:35,630 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998319724] [2021-07-14 06:16:35,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:16:35,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:16:35,768 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:35,768 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:16:35,769 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998319724] [2021-07-14 06:16:35,769 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998319724] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:35,769 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1987632564] [2021-07-14 06:16:35,769 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:16:35,821 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 06:16:35,821 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:16:35,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 24 conjunts are in the unsatisfiable core [2021-07-14 06:16:35,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:16:35,921 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:35,922 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:35,922 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 15 treesize of output 11 [2021-07-14 06:16:35,923 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:35,925 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:35,925 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 17 treesize of output 13 [2021-07-14 06:16:35,926 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:35,937 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:35,938 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-07-14 06:16:35,938 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:51, output treesize:37 [2021-07-14 06:16:36,055 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 10=[array_0]} [2021-07-14 06:16:36,060 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:36,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:16:36,063 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:36,066 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:36,066 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 25 treesize of output 19 [2021-07-14 06:16:36,067 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:36,071 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:36,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 06:16:36,072 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:36,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-07-14 06:16:36,077 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-07-14 06:16:36,151 INFO L628 ElimStorePlain]: treesize reduction 38, result has 72.7 percent of original size [2021-07-14 06:16:36,176 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:36,177 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:36,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 06:16:36,178 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:36,181 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:36,181 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:36,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 06:16:36,182 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:36,190 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:36,193 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:36,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-07-14 06:16:36,194 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:36,231 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:36,233 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 06:16:36,233 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 6 variables, input treesize:149, output treesize:55 [2021-07-14 06:16:36,320 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:36,320 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1987632564] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:36,321 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:16:36,321 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2021-07-14 06:16:36,321 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85166952] [2021-07-14 06:16:36,321 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 06:16:36,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:16:36,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 06:16:36,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2021-07-14 06:16:36,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:36,322 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:16:36,322 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.8823529411764706) internal successors, (32), 17 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:16:36,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:36,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:36,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:36,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:36,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:36,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:16:36,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:36,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:16:36,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:36,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:36,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:36,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:36,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:36,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:36,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:36,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:36,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:16:36,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:36,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:16:36,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:36,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:36,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:16:36,893 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable112 [2021-07-14 06:16:36,893 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:16:36,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:16:36,893 INFO L82 PathProgramCache]: Analyzing trace with hash 1908142036, now seen corresponding path program 6 times [2021-07-14 06:16:36,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:16:36,894 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648145767] [2021-07-14 06:16:36,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:16:36,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:16:36,998 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:36,998 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:16:36,998 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648145767] [2021-07-14 06:16:36,998 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648145767] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:36,998 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [792952938] [2021-07-14 06:16:36,998 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:16:37,030 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-07-14 06:16:37,030 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:16:37,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-14 06:16:37,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:16:37,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:16:37,082 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:37,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:16:37,085 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:37,099 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:37,100 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:16:37,100 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 06:16:37,172 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:37,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:16:37,174 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:37,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:16:37,176 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:37,189 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 06:16:37,189 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 06:16:37,190 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 06:16:37,190 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 06:16:37,208 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:37,208 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [792952938] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:37,208 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:16:37,208 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 16 [2021-07-14 06:16:37,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950657308] [2021-07-14 06:16:37,209 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-14 06:16:37,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:16:37,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-14 06:16:37,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-07-14 06:16:37,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:37,209 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:16:37,209 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) [2021-07-14 06:16:37,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:37,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:37,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:37,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:37,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:37,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:16:37,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:37,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:16:37,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:37,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:37,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:16:37,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:37,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:37,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:37,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:37,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:37,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:37,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:16:37,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:37,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:16:37,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:37,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:37,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:16:37,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:16:37,724 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable124 [2021-07-14 06:16:37,725 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:16:37,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:16:37,725 INFO L82 PathProgramCache]: Analyzing trace with hash -976478844, now seen corresponding path program 7 times [2021-07-14 06:16:37,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:16:37,725 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976587205] [2021-07-14 06:16:37,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:16:37,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:16:38,065 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:38,066 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:16:38,066 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976587205] [2021-07-14 06:16:38,066 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976587205] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:38,066 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1199633643] [2021-07-14 06:16:38,066 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:16:38,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:16:38,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 36 conjunts are in the unsatisfiable core [2021-07-14 06:16:38,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:16:38,571 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 95 [2021-07-14 06:16:38,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:38,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:38,672 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:38,672 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:38,673 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:38,674 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:38,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 23 [2021-07-14 06:16:38,675 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:38,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:38,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:38,679 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:38,680 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:38,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-07-14 06:16:38,681 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:38,853 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2021-07-14 06:16:38,853 INFO L628 ElimStorePlain]: treesize reduction 52, result has 79.7 percent of original size [2021-07-14 06:16:38,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:38,857 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:38,858 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:38,858 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 35 treesize of output 25 [2021-07-14 06:16:38,859 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:38,907 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:38,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:38,911 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:38,912 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:38,913 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:38,914 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:38,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 33 [2021-07-14 06:16:38,915 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:38,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:38,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:38,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:38,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-07-14 06:16:38,921 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:38,964 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:38,970 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 5 dim-0 vars, and 5 xjuncts. [2021-07-14 06:16:38,970 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:288, output treesize:172 [2021-07-14 06:16:39,275 INFO L446 ElimStorePlain]: Different costs {0=[array_4, v_prenex_36, v_prenex_38], 3=[array_0, v_prenex_35, v_prenex_37]} [2021-07-14 06:16:39,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2021-07-14 06:16:39,281 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 06:16:39,284 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 34 treesize of output 26 [2021-07-14 06:16:39,285 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:39,392 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2021-07-14 06:16:39,393 INFO L628 ElimStorePlain]: treesize reduction 24, result has 88.2 percent of original size [2021-07-14 06:16:39,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-07-14 06:16:39,398 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:39,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2021-07-14 06:16:39,402 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:39,440 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:39,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-07-14 06:16:39,445 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:39,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-07-14 06:16:39,449 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:39,479 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:39,482 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:39,482 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:39,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 06:16:39,483 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:39,486 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:39,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 06:16:39,487 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:39,494 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:39,523 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:39,526 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:39,526 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:39,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-07-14 06:16:39,527 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:39,530 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:39,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-07-14 06:16:39,530 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:39,558 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:39,561 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:39,561 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:39,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-07-14 06:16:39,562 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:39,565 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:39,565 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 11 treesize of output 3 [2021-07-14 06:16:39,565 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:39,592 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:39,594 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 6 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-07-14 06:16:39,594 INFO L247 ElimStorePlain]: Needed 13 recursive calls to eliminate 9 variables, input treesize:217, output treesize:31 [2021-07-14 06:16:39,641 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:39,641 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1199633643] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:39,641 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:16:39,642 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 22 [2021-07-14 06:16:39,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888898790] [2021-07-14 06:16:39,642 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-14 06:16:39,642 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:16:39,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-14 06:16:39,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=408, Unknown=0, NotChecked=0, Total=462 [2021-07-14 06:16:39,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:39,643 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:16:39,643 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.6363636363636365) internal successors, (36), 22 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:16:39,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:39,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:39,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:39,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:39,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:39,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:16:39,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:39,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:16:39,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:39,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:39,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:16:39,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:16:39,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:40,164 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2021-07-14 06:16:40,393 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 94 [2021-07-14 06:16:40,564 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 88 [2021-07-14 06:16:40,790 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 88 [2021-07-14 06:16:40,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:40,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:40,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:40,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:40,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:40,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:16:40,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:40,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:16:40,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:40,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:40,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:16:40,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:16:40,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:41,018 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable127 [2021-07-14 06:16:41,019 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:16:41,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:16:41,019 INFO L82 PathProgramCache]: Analyzing trace with hash 60415750, now seen corresponding path program 8 times [2021-07-14 06:16:41,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:16:41,019 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443514003] [2021-07-14 06:16:41,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:16:41,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:16:41,263 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:41,263 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:16:41,263 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443514003] [2021-07-14 06:16:41,263 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443514003] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:41,263 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [277500381] [2021-07-14 06:16:41,263 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:16:41,301 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 06:16:41,301 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:16:41,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 36 conjunts are in the unsatisfiable core [2021-07-14 06:16:41,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:16:41,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:41,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:41,749 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:41,751 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:41,751 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 [2021-07-14 06:16:41,752 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:41,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:41,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:41,757 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:41,759 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:41,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2021-07-14 06:16:41,760 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:41,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:41,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:41,765 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:41,766 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:41,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-07-14 06:16:41,768 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:41,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:41,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:41,773 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:41,774 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:41,775 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 [2021-07-14 06:16:41,776 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:41,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:41,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:41,781 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:41,782 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:41,782 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 [2021-07-14 06:16:41,784 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:41,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:41,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:41,788 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:41,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2021-07-14 06:16:41,790 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:41,967 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2021-07-14 06:16:41,967 INFO L628 ElimStorePlain]: treesize reduction 2, result has 99.1 percent of original size [2021-07-14 06:16:41,973 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. [2021-07-14 06:16:41,973 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:347, output treesize:209 [2021-07-14 06:16:42,298 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 3=[array_0]} [2021-07-14 06:16:42,302 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:42,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-14 06:16:42,303 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:42,306 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:42,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2021-07-14 06:16:42,308 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 4 xjuncts. [2021-07-14 06:16:42,311 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:42,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-14 06:16:42,312 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:42,316 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:42,317 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 15 treesize of output 11 [2021-07-14 06:16:42,317 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:42,321 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:42,321 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 34 treesize of output 26 [2021-07-14 06:16:42,322 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:42,325 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 06:16:42,325 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:42,414 INFO L628 ElimStorePlain]: treesize reduction 230, result has 25.6 percent of original size [2021-07-14 06:16:42,417 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:42,418 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:42,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 06:16:42,419 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:42,421 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:42,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 06:16:42,422 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:42,429 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:42,454 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:42,456 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:16:42,456 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 4 variables, input treesize:322, output treesize:50 [2021-07-14 06:16:42,555 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:42,555 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [277500381] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:42,555 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:16:42,555 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14] total 24 [2021-07-14 06:16:42,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152716552] [2021-07-14 06:16:42,556 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-14 06:16:42,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:16:42,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-14 06:16:42,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2021-07-14 06:16:42,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:42,556 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:16:42,556 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 24 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:16:42,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:42,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:42,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:42,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:42,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:42,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:16:42,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:42,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:16:42,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:42,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:42,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:16:42,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:16:42,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:42,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:44,075 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2021-07-14 06:16:44,238 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 73 [2021-07-14 06:16:44,471 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2021-07-14 06:16:44,655 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2021-07-14 06:16:44,865 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 91 [2021-07-14 06:16:45,069 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 87 [2021-07-14 06:16:45,279 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 98 [2021-07-14 06:16:45,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:45,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:45,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:45,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:45,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:45,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:16:45,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:45,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:16:45,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:45,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:45,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:16:45,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:16:45,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:16:45,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:16:45,534 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:16:45,535 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:16:45,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:16:45,535 INFO L82 PathProgramCache]: Analyzing trace with hash -205412908, now seen corresponding path program 9 times [2021-07-14 06:16:45,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:16:45,535 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285132497] [2021-07-14 06:16:45,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:16:45,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:16:45,809 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:45,810 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:16:45,810 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285132497] [2021-07-14 06:16:45,810 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285132497] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:45,810 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [588475891] [2021-07-14 06:16:45,810 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:16:45,841 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 06:16:45,842 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:16:45,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 32 conjunts are in the unsatisfiable core [2021-07-14 06:16:45,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:16:46,008 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:46,008 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 32 treesize of output 24 [2021-07-14 06:16:46,009 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:46,012 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:46,012 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 22 treesize of output 16 [2021-07-14 06:16:46,015 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:46,017 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:46,018 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 34 treesize of output 26 [2021-07-14 06:16:46,019 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-07-14 06:16:46,028 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 24 treesize of output 18 [2021-07-14 06:16:46,029 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:46,058 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:46,059 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 06:16:46,059 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:153, output treesize:113 [2021-07-14 06:16:46,302 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:46,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-07-14 06:16:46,303 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:46,305 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 06:16:46,306 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:46,308 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:46,309 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 27 treesize of output 21 [2021-07-14 06:16:46,309 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:46,312 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 06:16:46,313 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:46,317 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 06:16:46,318 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:46,321 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:46,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:16:46,323 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:46,326 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 06:16:46,346 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:46,350 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 06:16:46,350 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:46,353 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:46,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:16:46,354 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:46,356 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 06:16:46,357 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:46,359 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:46,359 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 18 treesize of output 14 [2021-07-14 06:16:46,360 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:46,362 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 06:16:46,362 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:46,365 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:46,365 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 [2021-07-14 06:16:46,365 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:46,367 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 06:16:46,368 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:46,439 INFO L628 ElimStorePlain]: treesize reduction 48, result has 61.6 percent of original size [2021-07-14 06:16:46,441 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:46,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-07-14 06:16:46,443 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:46,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-07-14 06:16:46,445 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:46,464 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:46,465 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-07-14 06:16:46,465 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 2 variables, input treesize:419, output treesize:61 [2021-07-14 06:16:46,569 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:46,570 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [588475891] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:46,570 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:16:46,570 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 25 [2021-07-14 06:16:46,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128271679] [2021-07-14 06:16:46,570 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 06:16:46,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:16:46,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 06:16:46,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=544, Unknown=0, NotChecked=0, Total=600 [2021-07-14 06:16:46,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:46,571 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:16:46,571 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.6) internal successors, (40), 25 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:16:46,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:46,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:46,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:46,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:46,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:46,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:16:46,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:46,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:16:46,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:46,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:46,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 06:16:46,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:16:46,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:16:46,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:16:46,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:47,233 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2021-07-14 06:16:47,546 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2021-07-14 06:16:47,735 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2021-07-14 06:16:48,111 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 85 [2021-07-14 06:16:48,428 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 85 [2021-07-14 06:16:48,847 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 96 [2021-07-14 06:16:49,137 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 110 [2021-07-14 06:16:49,364 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2021-07-14 06:16:49,542 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2021-07-14 06:16:49,771 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 94 [2021-07-14 06:16:50,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:50,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:50,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:50,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:50,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:50,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:16:50,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:50,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:16:50,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:50,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:50,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:50,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:50,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:16:50,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:16:50,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:16:50,320 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable181,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:16:50,320 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:16:50,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:16:50,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1899566918, now seen corresponding path program 10 times [2021-07-14 06:16:50,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:16:50,321 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001561356] [2021-07-14 06:16:50,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:16:50,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:16:50,421 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:50,421 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:16:50,421 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001561356] [2021-07-14 06:16:50,421 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001561356] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:50,421 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [269683530] [2021-07-14 06:16:50,421 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:16:50,476 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 06:16:50,476 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:16:50,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-14 06:16:50,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:16:50,538 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:50,539 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 16 treesize of output 12 [2021-07-14 06:16:50,539 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:50,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:16:50,541 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:50,552 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:50,552 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:16:50,552 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 06:16:50,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 06:16:50,599 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:50,600 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 8 treesize of output 6 [2021-07-14 06:16:50,601 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:50,603 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:50,603 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 16 treesize of output 12 [2021-07-14 06:16:50,604 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:50,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 06:16:50,607 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:50,622 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-07-14 06:16:50,623 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 06:16:50,623 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:16:50,623 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-14 06:16:50,641 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:50,641 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [269683530] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:50,641 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:16:50,641 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 14 [2021-07-14 06:16:50,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063952920] [2021-07-14 06:16:50,642 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-14 06:16:50,642 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:16:50,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-14 06:16:50,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-07-14 06:16:50,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:50,642 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:16:50,642 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 14 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:16:50,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:50,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:50,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:50,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:50,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:50,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:16:50,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:50,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:16:50,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:50,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:50,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:50,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:50,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:16:50,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:16:50,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:16:50,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:51,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:51,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:51,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:51,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:51,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:51,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:16:51,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:51,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:16:51,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:51,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:51,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:51,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:16:51,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:16:51,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:16:51,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:16:51,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:51,708 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:16:51,709 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:16:51,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:16:51,709 INFO L82 PathProgramCache]: Analyzing trace with hash -485731550, now seen corresponding path program 11 times [2021-07-14 06:16:51,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:16:51,709 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672531018] [2021-07-14 06:16:51,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:16:51,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:16:51,900 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:51,900 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:16:51,900 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672531018] [2021-07-14 06:16:51,900 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672531018] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:51,900 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1791395366] [2021-07-14 06:16:51,900 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:16:51,935 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-14 06:16:51,935 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:16:51,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-14 06:16:51,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:16:52,122 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:52,122 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:52,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:16:52,123 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:52,125 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:52,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 06:16:52,126 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:52,138 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:52,140 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-07-14 06:16:52,140 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:51, output treesize:37 [2021-07-14 06:16:52,367 INFO L446 ElimStorePlain]: Different costs {3=[array_4], 6=[array_0]} [2021-07-14 06:16:52,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:52,372 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:52,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2021-07-14 06:16:52,373 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:52,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:52,377 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:52,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2021-07-14 06:16:52,379 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-14 06:16:52,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:52,383 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:52,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2021-07-14 06:16:52,384 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:52,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:52,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-07-14 06:16:52,388 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:52,466 INFO L628 ElimStorePlain]: treesize reduction 38, result has 72.7 percent of original size [2021-07-14 06:16:52,469 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:52,469 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:52,470 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 21 treesize of output 7 [2021-07-14 06:16:52,470 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:52,473 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:52,473 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:52,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 06:16:52,474 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:52,481 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:52,483 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:52,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-07-14 06:16:52,484 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:52,516 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:52,518 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 06:16:52,518 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:193, output treesize:55 [2021-07-14 06:16:52,601 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:52,601 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1791395366] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:52,601 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:16:52,601 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 22 [2021-07-14 06:16:52,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987799758] [2021-07-14 06:16:52,601 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-14 06:16:52,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:16:52,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-14 06:16:52,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=408, Unknown=0, NotChecked=0, Total=462 [2021-07-14 06:16:52,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:52,602 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:16:52,602 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.6818181818181819) internal successors, (37), 22 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:16:52,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:52,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:52,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:52,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:52,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:52,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:16:52,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:52,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:16:52,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:52,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:52,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:52,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:16:52,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:16:52,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:16:52,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:16:52,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:52,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:53,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:53,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:53,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:53,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:53,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:53,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:16:53,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:53,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:16:53,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:53,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:53,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:53,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:16:53,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:16:53,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:16:53,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:16:53,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:53,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:53,418 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable203 [2021-07-14 06:16:53,419 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:16:53,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:16:53,423 INFO L82 PathProgramCache]: Analyzing trace with hash -1906287320, now seen corresponding path program 12 times [2021-07-14 06:16:53,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:16:53,423 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899542358] [2021-07-14 06:16:53,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:16:53,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:16:53,579 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:53,579 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:16:53,579 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899542358] [2021-07-14 06:16:53,579 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899542358] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:53,579 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [820921776] [2021-07-14 06:16:53,579 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:16:53,611 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-07-14 06:16:53,611 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:16:53,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-14 06:16:53,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:16:53,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:16:53,674 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:53,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:16:53,676 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:53,710 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:53,711 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:16:53,711 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 06:16:53,793 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:53,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:16:53,794 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:53,796 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 16 treesize of output 12 [2021-07-14 06:16:53,796 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:53,810 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 06:16:53,810 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 06:16:53,811 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 06:16:53,811 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 06:16:53,834 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:53,835 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [820921776] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:53,835 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:16:53,835 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 18 [2021-07-14 06:16:53,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915589593] [2021-07-14 06:16:53,835 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-14 06:16:53,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:16:53,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-14 06:16:53,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2021-07-14 06:16:53,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:53,835 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:16:53,836 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.7222222222222223) internal successors, (31), 18 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:16:53,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:53,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:53,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:53,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:53,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:53,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:16:53,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:53,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:16:53,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:53,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:53,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:53,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:16:53,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:16:53,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:16:53,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:16:53,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:53,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:53,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:54,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:54,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:54,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:54,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:54,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:54,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:16:54,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:54,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:16:54,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:54,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:54,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:54,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:16:54,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:16:54,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:16:54,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:16:54,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:54,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:54,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:54,408 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable219 [2021-07-14 06:16:54,409 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:16:54,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:16:54,409 INFO L82 PathProgramCache]: Analyzing trace with hash 1035295408, now seen corresponding path program 13 times [2021-07-14 06:16:54,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:16:54,409 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210904852] [2021-07-14 06:16:54,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:16:54,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:16:54,852 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:54,852 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:16:54,852 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210904852] [2021-07-14 06:16:54,852 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210904852] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:54,852 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [172863275] [2021-07-14 06:16:54,853 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:16:54,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:16:54,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 51 conjunts are in the unsatisfiable core [2021-07-14 06:16:54,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:16:55,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:55,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:55,484 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:55,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:55,485 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:55,485 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:55,486 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:55,488 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:55,489 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:55,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 43 [2021-07-14 06:16:55,492 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:55,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:55,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:55,496 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:55,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:55,496 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:55,498 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:55,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 45 [2021-07-14 06:16:55,499 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:55,549 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:55,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:55,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:55,553 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:55,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:55,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:55,555 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:55,555 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:55,556 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:55,559 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:55,559 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:55,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 43 [2021-07-14 06:16:55,561 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:55,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:55,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:55,565 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:55,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:55,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:16:55,566 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:55,566 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:55,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-07-14 06:16:55,568 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:55,607 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:55,622 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-07-14 06:16:55,622 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:267, output treesize:183 [2021-07-14 06:16:56,259 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 100 [2021-07-14 06:16:56,597 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 100 [2021-07-14 06:16:56,719 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_70, v_prenex_64, array_4, v_prenex_68, v_prenex_66], 6=[array_0, v_prenex_65, v_prenex_63, v_prenex_69, v_prenex_67]} [2021-07-14 06:16:56,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 30 [2021-07-14 06:16:56,728 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:56,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2021-07-14 06:16:56,733 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:56,847 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 90 [2021-07-14 06:16:56,848 INFO L628 ElimStorePlain]: treesize reduction 222, result has 44.6 percent of original size [2021-07-14 06:16:56,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2021-07-14 06:16:56,853 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-07-14 06:16:56,890 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:56,891 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 06:16:56,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2021-07-14 06:16:56,895 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:56,929 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:56,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2021-07-14 06:16:56,933 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2021-07-14 06:16:56,969 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:56,969 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-07-14 06:16:56,973 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:56,973 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:56,973 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 11 treesize of output 3 [2021-07-14 06:16:56,974 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:56,977 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:56,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 06:16:56,978 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:56,985 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:57,019 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:57,023 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:57,023 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:57,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 06:16:57,024 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:57,027 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:57,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 06:16:57,028 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:57,035 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:57,068 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:57,070 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:57,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-07-14 06:16:57,071 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:57,104 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:57,107 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:16:57,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-07-14 06:16:57,108 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 06:16:57,140 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:16:57,142 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 10 dim-1 vars, End of recursive call: and 7 xjuncts. [2021-07-14 06:16:57,143 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 15 variables, input treesize:451, output treesize:52 [2021-07-14 06:16:57,211 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:16:57,211 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [172863275] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:16:57,211 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:16:57,211 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14] total 27 [2021-07-14 06:16:57,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13954140] [2021-07-14 06:16:57,211 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-14 06:16:57,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:16:57,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-14 06:16:57,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=647, Unknown=0, NotChecked=0, Total=702 [2021-07-14 06:16:57,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:57,212 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:16:57,212 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.5555555555555556) internal successors, (42), 27 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:16:57,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:57,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:57,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:57,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:57,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:57,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:16:57,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:57,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:16:57,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:57,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:57,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:57,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:16:57,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:16:57,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:16:57,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:16:57,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:57,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:57,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:57,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:16:58,315 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2021-07-14 06:16:58,593 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 97 [2021-07-14 06:16:58,948 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 136 [2021-07-14 06:16:59,228 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 139 [2021-07-14 06:16:59,764 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 155 [2021-07-14 06:16:59,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:16:59,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:59,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:59,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:59,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:16:59,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:16:59,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:59,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:16:59,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:16:59,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:16:59,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:59,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:16:59,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:16:59,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:16:59,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:16:59,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:59,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:16:59,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:16:59,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:00,021 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable222 [2021-07-14 06:17:00,021 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:17:00,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:17:00,022 INFO L82 PathProgramCache]: Analyzing trace with hash 1680800566, now seen corresponding path program 14 times [2021-07-14 06:17:00,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:17:00,022 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038132501] [2021-07-14 06:17:00,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:17:00,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:17:00,251 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:17:00,251 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:17:00,251 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038132501] [2021-07-14 06:17:00,251 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038132501] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:17:00,251 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [631365758] [2021-07-14 06:17:00,251 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:17:00,312 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 06:17:00,312 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:17:00,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 40 conjunts are in the unsatisfiable core [2021-07-14 06:17:00,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:17:00,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:00,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:00,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:00,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:00,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:00,833 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:00,836 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:00,836 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 [2021-07-14 06:17:00,837 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:00,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:00,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:00,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:00,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:00,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:00,843 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:00,846 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:00,847 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 [2021-07-14 06:17:00,848 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:00,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:00,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:00,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:00,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:00,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:00,854 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:00,857 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:00,857 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 [2021-07-14 06:17:00,858 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:00,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:00,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:00,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:00,863 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:00,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:00,866 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:00,866 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 [2021-07-14 06:17:00,868 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:00,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:00,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:00,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:00,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:00,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:00,873 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:00,876 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:00,877 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 [2021-07-14 06:17:00,878 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:00,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:00,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:00,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:00,882 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:00,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:00,883 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 [2021-07-14 06:17:00,884 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:00,987 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2021-07-14 06:17:00,988 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.5 percent of original size [2021-07-14 06:17:00,992 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. [2021-07-14 06:17:00,992 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:325, output treesize:125 [2021-07-14 06:17:01,324 INFO L446 ElimStorePlain]: Different costs {0=[array_4], 1=[array_0]} [2021-07-14 06:17:01,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-14 06:17:01,328 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:01,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-07-14 06:17:01,331 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-14 06:17:01,354 INFO L628 ElimStorePlain]: treesize reduction 41, result has 43.1 percent of original size [2021-07-14 06:17:01,355 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:01,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 06:17:01,356 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:01,363 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:17:01,364 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:17:01,364 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:68, output treesize:11 [2021-07-14 06:17:01,396 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:17:01,397 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [631365758] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:17:01,397 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:17:01,397 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 29 [2021-07-14 06:17:01,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651499465] [2021-07-14 06:17:01,397 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-14 06:17:01,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:17:01,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-14 06:17:01,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=733, Unknown=0, NotChecked=0, Total=812 [2021-07-14 06:17:01,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:17:01,398 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:17:01,398 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 1.5172413793103448) internal successors, (44), 29 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:17:01,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:17:01,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:01,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:01,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:01,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:01,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:17:01,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:17:01,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:01,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:01,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:01,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:01,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:01,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:17:01,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:17:01,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:01,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:01,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:17:01,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:01,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:01,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:17:02,917 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2021-07-14 06:17:03,074 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2021-07-14 06:17:03,240 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 70 [2021-07-14 06:17:03,410 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 70 [2021-07-14 06:17:03,646 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2021-07-14 06:17:03,841 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-07-14 06:17:04,065 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2021-07-14 06:17:04,261 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2021-07-14 06:17:04,469 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2021-07-14 06:17:04,677 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2021-07-14 06:17:04,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:17:04,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:04,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:04,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:04,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:04,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:17:04,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:17:04,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:04,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:04,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:04,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:04,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:04,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:17:04,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:17:04,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:04,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:04,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:17:04,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:04,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:04,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:17:04,951 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable267 [2021-07-14 06:17:04,951 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:17:04,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:17:04,951 INFO L82 PathProgramCache]: Analyzing trace with hash 565870178, now seen corresponding path program 15 times [2021-07-14 06:17:04,951 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:17:04,951 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785047268] [2021-07-14 06:17:04,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:17:04,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:17:05,124 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:17:05,125 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:17:05,125 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785047268] [2021-07-14 06:17:05,125 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785047268] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:17:05,125 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2063598485] [2021-07-14 06:17:05,125 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:17:05,160 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 06:17:05,160 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:17:05,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 32 conjunts are in the unsatisfiable core [2021-07-14 06:17:05,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:17:05,289 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:05,290 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 16 treesize of output 12 [2021-07-14 06:17:05,291 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:05,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-14 06:17:05,294 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:05,297 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:05,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 06:17:05,298 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:05,300 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 06:17:05,301 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:05,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 06:17:05,304 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:05,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 06:17:05,307 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:05,334 INFO L628 ElimStorePlain]: treesize reduction 14, result has 69.6 percent of original size [2021-07-14 06:17:05,335 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 06:17:05,335 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-07-14 06:17:05,455 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:05,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:17:05,457 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:05,458 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:05,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 06:17:05,460 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:05,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 06:17:05,462 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:05,464 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 06:17:05,464 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:05,480 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-07-14 06:17:05,480 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 06:17:05,480 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:17:05,480 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-14 06:17:05,510 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:17:05,511 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2063598485] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:17:05,511 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:17:05,511 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 25 [2021-07-14 06:17:05,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627935751] [2021-07-14 06:17:05,511 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 06:17:05,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:17:05,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 06:17:05,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=538, Unknown=0, NotChecked=0, Total=600 [2021-07-14 06:17:05,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:17:05,512 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:17:05,512 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.6) internal successors, (40), 25 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:17:05,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:17:05,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:05,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:05,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:05,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:05,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:17:05,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:17:05,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:05,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:05,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:05,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:05,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:05,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:17:05,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:17:05,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:05,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:05,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:17:05,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:05,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:05,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:17:05,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:17:07,214 WARN L205 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 211 [2021-07-14 06:17:07,716 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 210 [2021-07-14 06:17:08,044 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 154 [2021-07-14 06:17:08,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:17:08,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:08,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:08,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:08,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:08,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:17:08,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:17:08,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:08,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:08,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:08,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:08,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:08,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:17:08,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:17:08,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:08,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:08,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:17:08,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:08,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:08,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:17:08,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:17:08,333 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable285,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:17:08,334 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:17:08,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:17:08,334 INFO L82 PathProgramCache]: Analyzing trace with hash 2030046760, now seen corresponding path program 16 times [2021-07-14 06:17:08,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:17:08,334 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484208442] [2021-07-14 06:17:08,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:17:08,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:17:08,597 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:17:08,597 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:17:08,597 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484208442] [2021-07-14 06:17:08,597 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484208442] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:17:08,597 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [491677847] [2021-07-14 06:17:08,597 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:17:08,631 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 06:17:08,631 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:17:08,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 40 conjunts are in the unsatisfiable core [2021-07-14 06:17:08,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:17:08,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:08,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:08,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:08,796 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 49 treesize of output 35 [2021-07-14 06:17:08,798 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 06:17:08,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:08,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:08,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:08,805 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 39 treesize of output 27 [2021-07-14 06:17:08,806 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:08,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:08,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:08,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:08,813 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 47 treesize of output 33 [2021-07-14 06:17:08,815 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:08,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:08,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:08,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:08,819 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 25 [2021-07-14 06:17:08,820 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:08,851 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:17:08,852 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 06:17:08,853 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:207, output treesize:107 [2021-07-14 06:17:09,108 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:09,109 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 28 treesize of output 22 [2021-07-14 06:17:09,110 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:09,137 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:09,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:17:09,138 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:09,141 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 06:17:09,141 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:09,144 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 06:17:09,144 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:09,147 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 06:17:09,147 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:09,150 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:09,151 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 18 treesize of output 14 [2021-07-14 06:17:09,151 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:09,155 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:09,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-14 06:17:09,156 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:09,158 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:09,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-07-14 06:17:09,159 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:09,162 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 06:17:09,162 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:09,164 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 06:17:09,165 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:09,167 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:09,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 06:17:09,168 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:09,171 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 06:17:09,171 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:09,174 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:09,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:17:09,175 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:09,177 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 06:17:09,177 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:09,225 INFO L628 ElimStorePlain]: treesize reduction 63, result has 49.6 percent of original size [2021-07-14 06:17:09,227 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:09,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-07-14 06:17:09,228 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:09,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-07-14 06:17:09,231 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:09,251 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:17:09,252 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-07-14 06:17:09,252 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 2 variables, input treesize:377, output treesize:46 [2021-07-14 06:17:09,321 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:17:09,321 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [491677847] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:17:09,322 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:17:09,322 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 26 [2021-07-14 06:17:09,322 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845159903] [2021-07-14 06:17:09,322 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-14 06:17:09,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:17:09,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-14 06:17:09,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=580, Unknown=0, NotChecked=0, Total=650 [2021-07-14 06:17:09,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:17:09,323 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:17:09,323 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 1.5) internal successors, (39), 26 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:17:09,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:17:09,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:09,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:09,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:09,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:09,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:17:09,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:17:09,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:09,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:09,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:09,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:09,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:09,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:17:09,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:17:09,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:09,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:09,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:17:09,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:09,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:09,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:17:09,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:17:09,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:17:10,388 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2021-07-14 06:17:11,343 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2021-07-14 06:17:11,535 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2021-07-14 06:17:11,694 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2021-07-14 06:17:11,856 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2021-07-14 06:17:12,063 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2021-07-14 06:17:12,307 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 102 [2021-07-14 06:17:12,676 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 66 [2021-07-14 06:17:12,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:17:12,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:12,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:12,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:12,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:12,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:17:12,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:17:12,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:12,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:12,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:12,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:12,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:12,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:17:12,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:17:12,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:12,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:12,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 06:17:12,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:12,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:12,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:17:12,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:17:12,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 06:17:13,115 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable293,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:17:13,116 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:17:13,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:17:13,116 INFO L82 PathProgramCache]: Analyzing trace with hash 2122851318, now seen corresponding path program 17 times [2021-07-14 06:17:13,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:17:13,116 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327998976] [2021-07-14 06:17:13,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:17:13,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:17:13,256 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:17:13,256 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:17:13,256 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327998976] [2021-07-14 06:17:13,256 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327998976] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:17:13,257 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518533891] [2021-07-14 06:17:13,257 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:17:13,290 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-14 06:17:13,290 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:17:13,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-14 06:17:13,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:17:13,345 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:13,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:17:13,346 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:13,348 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 15 treesize of output 11 [2021-07-14 06:17:13,348 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:13,360 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:17:13,360 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:17:13,360 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 06:17:13,441 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:13,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:17:13,443 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:13,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 06:17:13,445 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:13,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-14 06:17:13,448 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:13,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 06:17:13,451 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:13,466 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-07-14 06:17:13,466 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 06:17:13,467 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:17:13,467 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-14 06:17:13,491 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:17:13,491 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1518533891] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:17:13,491 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:17:13,491 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 18 [2021-07-14 06:17:13,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626713248] [2021-07-14 06:17:13,492 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-14 06:17:13,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:17:13,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-14 06:17:13,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2021-07-14 06:17:13,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:17:13,492 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:17:13,493 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.7222222222222223) internal successors, (31), 18 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:17:13,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:17:13,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:13,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:13,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:13,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:13,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:17:13,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:17:13,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:13,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:13,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:13,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:13,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:13,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:17:13,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:17:13,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:13,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:13,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 06:17:13,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:13,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:13,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:17:13,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:17:13,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 06:17:13,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:17:14,177 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 61 [2021-07-14 06:17:14,343 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 68 [2021-07-14 06:17:15,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:17:15,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:15,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:15,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:15,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:15,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:17:15,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:17:15,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:15,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:15,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:15,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:15,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:15,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:17:15,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:17:15,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:15,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:15,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:17:15,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:15,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:15,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:17:15,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:17:15,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 06:17:15,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:17:15,591 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable310 [2021-07-14 06:17:15,592 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:17:15,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:17:15,592 INFO L82 PathProgramCache]: Analyzing trace with hash 819255378, now seen corresponding path program 18 times [2021-07-14 06:17:15,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:17:15,592 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596231383] [2021-07-14 06:17:15,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:17:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:17:15,780 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:17:15,780 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:17:15,780 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596231383] [2021-07-14 06:17:15,780 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596231383] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:17:15,780 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [505272805] [2021-07-14 06:17:15,780 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:17:15,815 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-07-14 06:17:15,815 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:17:15,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 40 conjunts are in the unsatisfiable core [2021-07-14 06:17:15,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:17:15,973 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:15,973 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:15,973 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 15 treesize of output 11 [2021-07-14 06:17:15,974 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:15,976 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:15,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 06:17:15,977 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:15,990 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:17:15,991 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-07-14 06:17:15,991 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:51, output treesize:37 [2021-07-14 06:17:16,298 INFO L446 ElimStorePlain]: Different costs {6=[array_4], 21=[array_0]} [2021-07-14 06:17:16,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:16,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:16,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:16,305 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:16,306 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 [2021-07-14 06:17:16,307 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:16,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:16,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:16,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:16,313 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:16,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 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 [2021-07-14 06:17:16,315 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:16,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:16,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:16,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:16,322 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:16,322 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 [2021-07-14 06:17:16,323 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:16,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:16,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:16,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:16,327 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 [2021-07-14 06:17:16,329 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-07-14 06:17:16,398 INFO L628 ElimStorePlain]: treesize reduction 38, result has 72.7 percent of original size [2021-07-14 06:17:16,401 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:16,402 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:16,402 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 21 treesize of output 7 [2021-07-14 06:17:16,403 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:16,405 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:16,406 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:16,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 06:17:16,406 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:16,413 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:17:16,416 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:16,416 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 9 treesize of output 3 [2021-07-14 06:17:16,417 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:16,447 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:17:16,449 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 06:17:16,449 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 6 variables, input treesize:237, output treesize:55 [2021-07-14 06:17:16,538 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:17:16,538 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [505272805] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:17:16,538 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:17:16,538 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 27 [2021-07-14 06:17:16,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32873923] [2021-07-14 06:17:16,538 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-14 06:17:16,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:17:16,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-14 06:17:16,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=633, Unknown=0, NotChecked=0, Total=702 [2021-07-14 06:17:16,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:17:16,539 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:17:16,539 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.5555555555555556) internal successors, (42), 27 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:17:16,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:17:16,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:16,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:16,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:16,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:16,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:17:16,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:17:16,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:16,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:16,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:16,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:16,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:16,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:17:16,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:17:16,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:16,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:16,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:17:16,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:16,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:16,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:17:16,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:17:16,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 06:17:16,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:17:16,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:17:17,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:17:17,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:17,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:17,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:17,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:17,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:17:17,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:17:17,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:17,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:17,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:17,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:17,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:17,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:17:17,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:17:17,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:17,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:17,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:17:17,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:17,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:17,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:17:17,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:17:17,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 06:17:17,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:17:17,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:17,440 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable316,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:17:17,440 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:17:17,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:17:17,441 INFO L82 PathProgramCache]: Analyzing trace with hash -721473068, now seen corresponding path program 19 times [2021-07-14 06:17:17,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:17:17,441 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132892828] [2021-07-14 06:17:17,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:17:17,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:17:17,599 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:17:17,599 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:17:17,599 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132892828] [2021-07-14 06:17:17,599 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132892828] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:17:17,600 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611618591] [2021-07-14 06:17:17,600 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:17:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:17:17,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 32 conjunts are in the unsatisfiable core [2021-07-14 06:17:17,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:17:17,703 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:17,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:17:17,704 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:17,706 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 15 treesize of output 11 [2021-07-14 06:17:17,706 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:17,718 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:17:17,719 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:17:17,719 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 06:17:17,826 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:17,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:17:17,827 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:17,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:17:17,830 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:17,846 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 06:17:17,846 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 06:17:17,846 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 06:17:17,846 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 06:17:17,870 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:17:17,870 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [611618591] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:17:17,870 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:17:17,870 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 22 [2021-07-14 06:17:17,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829120808] [2021-07-14 06:17:17,871 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-14 06:17:17,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:17:17,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-14 06:17:17,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-07-14 06:17:17,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:17:17,871 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:17:17,871 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) [2021-07-14 06:17:17,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:17:17,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:17,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:17,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:17,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:17,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:17:17,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:17:17,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:17,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:17,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:17,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:17,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:17,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:17:17,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:17:17,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:17,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:17,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:17:17,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:17,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:17,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:17:17,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:17:17,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 06:17:17,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:17:17,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:17,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:17:18,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:17:18,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:18,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:18,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:18,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:18,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:17:18,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:17:18,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:18,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:18,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:18,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:18,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:18,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:17:18,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:17:18,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:18,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:18,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:17:18,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:18,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:18,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:17:18,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:17:18,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 06:17:18,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:17:18,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:18,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:18,666 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable332 [2021-07-14 06:17:18,667 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:17:18,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:17:18,667 INFO L82 PathProgramCache]: Analyzing trace with hash -890168444, now seen corresponding path program 20 times [2021-07-14 06:17:18,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:17:18,667 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452507190] [2021-07-14 06:17:18,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:17:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:17:19,172 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:17:19,173 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:17:19,173 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452507190] [2021-07-14 06:17:19,173 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452507190] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:17:19,173 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1068881169] [2021-07-14 06:17:19,173 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:17:19,209 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 06:17:19,209 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:17:19,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 66 conjunts are in the unsatisfiable core [2021-07-14 06:17:19,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:17:20,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:20,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:20,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:20,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:20,162 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:20,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:20,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:20,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:20,164 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:20,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:20,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:20,165 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:20,166 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:20,169 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:20,172 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:20,174 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:20,175 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:20,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 55 [2021-07-14 06:17:20,176 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:20,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:20,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:20,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:20,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:20,182 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:20,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:20,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:20,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:20,185 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:20,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:20,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:20,186 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:20,187 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:20,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 47 [2021-07-14 06:17:20,188 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:20,262 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:17:20,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:20,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:20,267 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:20,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:20,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:20,269 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:20,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:20,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:20,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:20,272 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:20,272 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:20,274 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:20,278 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:20,282 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:20,283 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:20,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 57 [2021-07-14 06:17:20,285 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:20,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:20,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:20,291 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:20,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:20,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:20,292 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:20,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:20,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:20,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:20,295 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:20,295 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:20,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 55 [2021-07-14 06:17:20,297 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:20,362 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:17:20,370 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-07-14 06:17:20,370 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:339, output treesize:219 [2021-07-14 06:17:21,199 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 118 [2021-07-14 06:17:21,493 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 118 [2021-07-14 06:17:21,793 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 118 [2021-07-14 06:17:21,933 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_97, array_4, v_prenex_101, v_prenex_99, v_prenex_103], 10=[array_0, v_prenex_98, v_prenex_96, v_prenex_100, v_prenex_102]} [2021-07-14 06:17:21,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2021-07-14 06:17:21,945 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 06:17:21,950 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 52 treesize of output 40 [2021-07-14 06:17:21,952 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:22,092 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 107 [2021-07-14 06:17:22,093 INFO L628 ElimStorePlain]: treesize reduction 258, result has 46.5 percent of original size [2021-07-14 06:17:22,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2021-07-14 06:17:22,099 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:22,145 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:17:22,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2021-07-14 06:17:22,151 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-07-14 06:17:22,195 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:17:22,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2021-07-14 06:17:22,200 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:22,236 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:17:22,236 INFO L518 ElimStorePlain]: Eliminatee v_prenex_103 vanished before elimination [2021-07-14 06:17:22,239 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:22,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-07-14 06:17:22,240 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:22,276 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:17:22,279 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:22,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-07-14 06:17:22,280 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:22,316 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:17:22,319 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:22,319 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:22,319 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 21 treesize of output 7 [2021-07-14 06:17:22,320 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:22,323 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:22,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 06:17:22,324 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:22,331 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:17:22,365 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:17:22,368 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:22,368 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:22,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 06:17:22,369 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:22,371 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:22,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 06:17:22,372 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:22,379 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:17:22,412 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:17:22,412 INFO L518 ElimStorePlain]: Eliminatee v_prenex_102 vanished before elimination [2021-07-14 06:17:22,415 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 10 dim-1 vars, End of recursive call: and 7 xjuncts. [2021-07-14 06:17:22,415 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 15 variables, input treesize:532, output treesize:52 [2021-07-14 06:17:22,494 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:17:22,494 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1068881169] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:17:22,494 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:17:22,495 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17] total 33 [2021-07-14 06:17:22,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994195513] [2021-07-14 06:17:22,495 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-14 06:17:22,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:17:22,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-14 06:17:22,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=988, Unknown=0, NotChecked=0, Total=1056 [2021-07-14 06:17:22,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:17:22,495 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:17:22,496 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 1.4545454545454546) internal successors, (48), 33 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:17:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:17:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:17:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:17:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:17:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:17:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:17:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:17:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:17:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 06:17:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:17:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:22,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:22,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:17:24,072 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 93 [2021-07-14 06:17:24,389 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 150 [2021-07-14 06:17:24,780 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 151 [2021-07-14 06:17:25,215 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 158 [2021-07-14 06:17:25,513 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 145 [2021-07-14 06:17:26,164 WARN L205 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 160 [2021-07-14 06:17:26,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:17:26,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:26,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:26,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:26,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:26,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:17:26,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:17:26,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:26,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:26,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:26,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:26,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:26,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:17:26,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:17:26,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:26,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:26,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:17:26,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:26,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:26,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:17:26,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:17:26,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 06:17:26,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:17:26,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:26,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:26,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:17:26,456 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable335 [2021-07-14 06:17:26,456 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:17:26,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:17:26,456 INFO L82 PathProgramCache]: Analyzing trace with hash 233512070, now seen corresponding path program 21 times [2021-07-14 06:17:26,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:17:26,457 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157571135] [2021-07-14 06:17:26,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:17:26,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:17:26,798 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:17:26,798 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:17:26,798 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157571135] [2021-07-14 06:17:26,798 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157571135] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:17:26,798 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1531831956] [2021-07-14 06:17:26,798 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:17:26,839 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-14 06:17:26,839 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:17:26,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 59 conjunts are in the unsatisfiable core [2021-07-14 06:17:26,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:17:27,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:27,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:27,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:27,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:27,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:27,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:27,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:27,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:27,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:27,431 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:27,437 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:27,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2021-07-14 06:17:27,438 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:27,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:27,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:27,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:27,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:27,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:27,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:27,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:27,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:27,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:27,446 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:27,446 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 [2021-07-14 06:17:27,448 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:27,499 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:17:27,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:27,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:27,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:27,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:27,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:27,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:27,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:27,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:27,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:27,508 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:27,515 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:27,516 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 [2021-07-14 06:17:27,518 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:27,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:27,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:27,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:27,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:27,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:27,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:27,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:27,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:27,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:27,526 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:27,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 40 [2021-07-14 06:17:27,528 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:27,584 INFO L628 ElimStorePlain]: treesize reduction 2, result has 97.5 percent of original size [2021-07-14 06:17:27,587 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2021-07-14 06:17:27,587 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:259, output treesize:72 [2021-07-14 06:17:28,162 INFO L446 ElimStorePlain]: Different costs {10=[array_4], 28=[array_0]} [2021-07-14 06:17:28,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:28,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:28,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:28,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:28,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:28,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:28,171 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:28,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 40 [2021-07-14 06:17:28,174 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:28,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:28,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:28,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:28,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:28,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:28,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:28,183 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:28,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 40 [2021-07-14 06:17:28,186 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:28,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:28,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:28,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:28,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:28,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:28,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:28,195 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:28,196 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 68 treesize of output 48 [2021-07-14 06:17:28,198 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 4 xjuncts. [2021-07-14 06:17:28,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:28,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:28,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:28,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:28,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:28,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:28,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2021-07-14 06:17:28,206 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:28,269 INFO L628 ElimStorePlain]: treesize reduction 160, result has 29.5 percent of original size [2021-07-14 06:17:28,272 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:28,272 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:28,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 06:17:28,273 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:28,276 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:28,276 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 11 treesize of output 3 [2021-07-14 06:17:28,276 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:28,283 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:17:28,304 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:17:28,305 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:17:28,305 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:299, output treesize:37 [2021-07-14 06:17:28,399 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 1 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:17:28,399 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1531831956] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:17:28,399 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:17:28,399 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 36 [2021-07-14 06:17:28,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192332711] [2021-07-14 06:17:28,399 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-07-14 06:17:28,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:17:28,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-07-14 06:17:28,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=1165, Unknown=0, NotChecked=0, Total=1260 [2021-07-14 06:17:28,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:17:28,400 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:17:28,400 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 36 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:17:28,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:17:28,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:28,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:28,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:28,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:28,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:17:28,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:17:28,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:28,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:28,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:28,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:28,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:28,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:17:28,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:17:28,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:28,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:28,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:17:28,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:28,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:28,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:17:28,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:17:28,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 06:17:28,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:17:28,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:28,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:28,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:17:28,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:17:30,522 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 117 [2021-07-14 06:17:30,849 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 104 [2021-07-14 06:17:31,195 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 105 [2021-07-14 06:17:31,416 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2021-07-14 06:17:31,610 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2021-07-14 06:17:31,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:17:31,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:31,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:31,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:31,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:31,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:17:31,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:17:31,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:31,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:31,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:31,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:31,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:31,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:17:31,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:17:31,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:31,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:31,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:17:31,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:31,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:31,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:17:31,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:17:31,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 06:17:31,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:17:31,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:31,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:31,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:17:31,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:31,859 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable385 [2021-07-14 06:17:31,860 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:17:31,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:17:31,860 INFO L82 PathProgramCache]: Analyzing trace with hash -1350400238, now seen corresponding path program 22 times [2021-07-14 06:17:31,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:17:31,860 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141865056] [2021-07-14 06:17:31,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:17:31,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:17:32,073 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:17:32,074 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:17:32,074 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141865056] [2021-07-14 06:17:32,074 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141865056] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:17:32,074 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1712095417] [2021-07-14 06:17:32,074 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:17:32,116 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 06:17:32,116 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:17:32,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-14 06:17:32,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:17:32,344 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:32,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 06:17:32,346 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:32,348 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:32,348 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 16 treesize of output 12 [2021-07-14 06:17:32,349 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:32,351 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 06:17:32,352 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:32,354 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 06:17:32,354 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:32,357 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 [2021-07-14 06:17:32,358 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:32,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 06:17:32,361 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:32,403 INFO L628 ElimStorePlain]: treesize reduction 6, result has 84.2 percent of original size [2021-07-14 06:17:32,404 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 06:17:32,404 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-07-14 06:17:32,547 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:32,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:17:32,548 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:32,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-14 06:17:32,551 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:32,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 06:17:32,554 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:32,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 06:17:32,556 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:32,572 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-07-14 06:17:32,572 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 06:17:32,572 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:17:32,573 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-14 06:17:32,601 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:17:32,602 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1712095417] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:17:32,602 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:17:32,602 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 30 [2021-07-14 06:17:32,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413889685] [2021-07-14 06:17:32,602 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-14 06:17:32,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:17:32,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-14 06:17:32,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=794, Unknown=0, NotChecked=0, Total=870 [2021-07-14 06:17:32,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:17:32,603 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:17:32,603 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 1.5) internal successors, (45), 30 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:17:32,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:17:32,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:32,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:32,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:32,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:32,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:17:32,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:17:32,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:32,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:32,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:32,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:32,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:32,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:17:32,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:17:32,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:32,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:32,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:17:32,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:32,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:32,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:17:32,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:17:32,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 06:17:32,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:17:32,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:32,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:32,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:17:32,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:32,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:17:34,566 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 178 [2021-07-14 06:17:35,133 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 176 [2021-07-14 06:17:35,763 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 179 [2021-07-14 06:17:36,147 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 160 [2021-07-14 06:17:36,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:17:36,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:36,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:36,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:36,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:36,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:17:36,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:17:36,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:36,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:36,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:36,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:36,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:36,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:17:36,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:17:36,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:36,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:36,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:17:36,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:36,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:36,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:17:36,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:17:36,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 06:17:36,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:17:36,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:36,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:36,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:36,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:36,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:17:36,455 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable410 [2021-07-14 06:17:36,456 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:17:36,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:17:36,456 INFO L82 PathProgramCache]: Analyzing trace with hash -1824757804, now seen corresponding path program 23 times [2021-07-14 06:17:36,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:17:36,456 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422687136] [2021-07-14 06:17:36,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:17:36,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:17:36,797 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:17:36,797 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:17:36,797 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422687136] [2021-07-14 06:17:36,797 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422687136] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:17:36,797 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [559990051] [2021-07-14 06:17:36,798 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:17:36,838 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-14 06:17:36,838 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:17:36,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-14 06:17:36,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:17:37,272 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-07-14 06:17:37,536 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-07-14 06:17:37,803 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 84 [2021-07-14 06:17:37,863 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:37,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:37,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:37,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:37,866 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:37,870 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 36 treesize of output 26 [2021-07-14 06:17:37,872 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:37,875 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:37,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:37,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:37,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:37,877 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 38 treesize of output 28 [2021-07-14 06:17:37,878 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:37,953 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:17:37,957 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:37,957 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:37,962 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 46 treesize of output 34 [2021-07-14 06:17:37,963 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:37,967 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:37,967 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 36 treesize of output 26 [2021-07-14 06:17:37,968 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:38,026 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:17:38,030 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:38,031 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:38,035 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 46 treesize of output 34 [2021-07-14 06:17:38,037 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:38,040 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:38,040 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 36 [2021-07-14 06:17:38,042 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2021-07-14 06:17:38,089 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:17:38,095 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 6 dim-0 vars, and 6 xjuncts. [2021-07-14 06:17:38,095 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:298, output treesize:146 [2021-07-14 06:17:38,836 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 21=[array_0]} [2021-07-14 06:17:38,841 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:38,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:17:38,841 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:38,845 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:38,846 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 16 treesize of output 12 [2021-07-14 06:17:38,846 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:38,850 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:38,850 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 28 treesize of output 22 [2021-07-14 06:17:38,851 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:38,855 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:38,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-14 06:17:38,856 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:38,860 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:38,860 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 25 treesize of output 19 [2021-07-14 06:17:38,861 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:38,865 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:38,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-07-14 06:17:38,866 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:38,870 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:38,871 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 18 treesize of output 14 [2021-07-14 06:17:38,871 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:38,875 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:38,876 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 [2021-07-14 06:17:38,876 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:38,880 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:38,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-07-14 06:17:38,881 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:38,885 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:38,886 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 15 treesize of output 11 [2021-07-14 06:17:38,886 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:38,890 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:38,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-07-14 06:17:38,891 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:38,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 06:17:38,895 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:39,038 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2021-07-14 06:17:39,038 INFO L628 ElimStorePlain]: treesize reduction 122, result has 52.0 percent of original size [2021-07-14 06:17:39,043 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:39,044 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:39,044 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 20 treesize of output 9 [2021-07-14 06:17:39,045 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:39,049 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:39,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-07-14 06:17:39,050 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:39,103 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:17:39,106 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-07-14 06:17:39,106 INFO L247 ElimStorePlain]: Needed 15 recursive calls to eliminate 8 variables, input treesize:405, output treesize:58 [2021-07-14 06:17:39,219 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:17:39,219 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [559990051] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:17:39,219 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:17:39,219 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 33 [2021-07-14 06:17:39,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234710288] [2021-07-14 06:17:39,220 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-14 06:17:39,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:17:39,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-14 06:17:39,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=977, Unknown=0, NotChecked=0, Total=1056 [2021-07-14 06:17:39,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:17:39,220 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:17:39,220 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 1.4242424242424243) internal successors, (47), 33 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:17:39,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:17:39,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:39,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:39,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:39,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:39,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:17:39,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:17:39,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:39,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:39,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:39,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:39,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:39,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:17:39,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:17:39,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:39,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:39,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:17:39,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:39,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:39,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:17:39,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:17:39,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 06:17:39,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:17:39,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:39,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:39,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:39,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:39,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:17:39,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:17:40,068 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2021-07-14 06:17:40,889 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2021-07-14 06:17:42,473 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 56 [2021-07-14 06:17:42,632 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 55 [2021-07-14 06:17:42,842 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 61 [2021-07-14 06:17:43,074 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 66 [2021-07-14 06:17:43,311 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 109 [2021-07-14 06:17:43,605 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2021-07-14 06:17:43,878 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 116 [2021-07-14 06:17:44,244 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 126 [2021-07-14 06:17:44,584 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 133 [2021-07-14 06:17:44,911 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 128 [2021-07-14 06:17:45,278 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 133 [2021-07-14 06:17:45,608 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 131 [2021-07-14 06:17:46,090 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 149 [2021-07-14 06:17:46,434 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 122 [2021-07-14 06:17:46,701 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 122 [2021-07-14 06:17:46,962 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 122 [2021-07-14 06:17:47,217 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 123 [2021-07-14 06:17:47,841 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 71 [2021-07-14 06:17:48,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:17:48,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:48,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:48,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:48,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:48,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:17:48,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:17:48,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:48,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:48,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:48,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:48,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:48,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:17:48,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:17:48,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:48,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:48,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:17:48,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:48,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:48,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:17:48,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:17:48,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 06:17:48,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:17:48,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:17:48,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:48,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:48,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:48,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:17:48,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 06:17:48,440 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable419 [2021-07-14 06:17:48,440 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:17:48,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:17:48,440 INFO L82 PathProgramCache]: Analyzing trace with hash -372226874, now seen corresponding path program 24 times [2021-07-14 06:17:48,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:17:48,440 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093583670] [2021-07-14 06:17:48,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:17:48,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:17:48,646 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:17:48,646 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:17:48,646 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093583670] [2021-07-14 06:17:48,646 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093583670] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:17:48,646 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1339029345] [2021-07-14 06:17:48,647 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:17:48,683 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-07-14 06:17:48,684 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:17:48,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 32 conjunts are in the unsatisfiable core [2021-07-14 06:17:48,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:17:48,849 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:48,849 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:48,850 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 15 treesize of output 11 [2021-07-14 06:17:48,850 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:48,853 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:48,853 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 16 treesize of output 12 [2021-07-14 06:17:48,853 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:48,873 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:17:48,875 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-07-14 06:17:48,875 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:59, output treesize:45 [2021-07-14 06:17:49,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 06:17:49,077 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:49,079 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:49,079 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:49,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 06:17:49,080 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:49,082 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:49,083 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:49,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:17:49,084 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:49,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-14 06:17:49,086 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:49,107 INFO L628 ElimStorePlain]: treesize reduction 30, result has 38.8 percent of original size [2021-07-14 06:17:49,108 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 06:17:49,108 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:17:49,109 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:87, output treesize:13 [2021-07-14 06:17:49,137 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:17:49,137 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1339029345] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:17:49,137 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:17:49,137 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16] total 29 [2021-07-14 06:17:49,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765225635] [2021-07-14 06:17:49,138 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-14 06:17:49,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:17:49,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-14 06:17:49,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=734, Unknown=0, NotChecked=0, Total=812 [2021-07-14 06:17:49,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:17:49,138 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:17:49,138 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 1.5172413793103448) internal successors, (44), 29 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:17:49,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:17:49,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:49,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:49,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:49,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:49,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:17:49,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:17:49,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:49,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:49,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:49,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:49,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:49,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:17:49,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:17:49,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:49,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:49,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:17:49,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:49,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:49,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:17:49,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:17:49,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 06:17:49,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:17:49,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:17:49,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:49,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:49,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:49,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:17:49,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 06:17:49,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:17:52,594 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2021-07-14 06:17:52,835 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2021-07-14 06:17:53,796 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 66 [2021-07-14 06:17:54,257 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 67 [2021-07-14 06:17:54,723 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 67 [2021-07-14 06:17:55,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:17:55,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:55,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:55,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:55,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:55,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:17:55,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:17:55,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:55,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:55,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:55,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:55,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:55,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:17:55,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:17:55,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:55,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:55,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:17:55,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:55,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:55,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:17:55,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:17:55,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:17:55,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:17:55,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:17:55,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:55,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:55,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:55,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:17:55,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 06:17:55,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 06:17:55,820 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable457,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:17:55,820 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:17:55,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:17:55,820 INFO L82 PathProgramCache]: Analyzing trace with hash 1139734824, now seen corresponding path program 25 times [2021-07-14 06:17:55,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:17:55,820 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686019496] [2021-07-14 06:17:55,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:17:55,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:17:56,027 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:17:56,027 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:17:56,027 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686019496] [2021-07-14 06:17:56,027 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686019496] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:17:56,027 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730087772] [2021-07-14 06:17:56,027 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:17:56,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:17:56,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-14 06:17:56,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:17:56,166 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:56,167 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 15 treesize of output 11 [2021-07-14 06:17:56,168 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:56,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:17:56,171 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:56,185 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:17:56,186 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:17:56,186 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 06:17:56,342 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:56,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:17:56,344 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:56,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:17:56,346 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:56,363 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 06:17:56,363 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 06:17:56,364 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 06:17:56,364 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 06:17:56,392 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:17:56,392 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [730087772] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:17:56,392 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:17:56,393 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 26 [2021-07-14 06:17:56,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678399830] [2021-07-14 06:17:56,393 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-14 06:17:56,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:17:56,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-14 06:17:56,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2021-07-14 06:17:56,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:17:56,393 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:17:56,393 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 1.5) internal successors, (39), 26 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:17:56,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:17:56,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:56,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:56,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:56,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:56,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:17:56,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:17:56,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:56,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:56,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:56,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:56,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:56,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:17:56,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:17:56,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:56,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:56,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:17:56,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:56,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:56,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:17:56,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:17:56,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:17:56,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:17:56,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:17:56,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:56,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:56,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:56,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:17:56,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 06:17:56,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 06:17:56,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:17:57,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:17:57,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:57,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:57,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:57,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:17:57,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:17:57,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:17:57,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:57,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:17:57,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:17:57,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:57,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:57,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:17:57,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:17:57,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:57,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:57,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:17:57,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:17:57,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:57,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:17:57,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:17:57,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:17:57,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:17:57,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:17:57,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:17:57,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:57,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:57,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:17:57,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 06:17:57,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 06:17:57,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:17:57,366 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable466 [2021-07-14 06:17:57,366 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:17:57,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:17:57,366 INFO L82 PathProgramCache]: Analyzing trace with hash 972701360, now seen corresponding path program 26 times [2021-07-14 06:17:57,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:17:57,366 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968967650] [2021-07-14 06:17:57,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:17:57,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:17:58,275 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:17:58,275 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:17:58,275 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968967650] [2021-07-14 06:17:58,275 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968967650] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:17:58,275 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [307198860] [2021-07-14 06:17:58,275 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:17:58,317 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 06:17:58,317 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:17:58,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 71 conjunts are in the unsatisfiable core [2021-07-14 06:17:58,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:17:59,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,199 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:59,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,246 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:59,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 [2021-07-14 06:17:59,253 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:59,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,257 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:59,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 [2021-07-14 06:17:59,264 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-14 06:17:59,317 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:17:59,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,329 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:59,338 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:59,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 [2021-07-14 06:17:59,340 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:59,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:17:59,350 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:17:59,351 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 [2021-07-14 06:17:59,352 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:17:59,384 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:17:59,389 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-07-14 06:17:59,389 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:299, output treesize:111 [2021-07-14 06:18:00,053 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2021-07-14 06:18:00,338 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-07-14 06:18:00,705 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2021-07-14 06:18:01,096 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-07-14 06:18:01,227 INFO L446 ElimStorePlain]: Different costs {15=[array_4], 105=[array_0]} [2021-07-14 06:18:01,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,241 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:01,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 [2021-07-14 06:18:01,246 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:01,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,260 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:01,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 [2021-07-14 06:18:01,265 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-14 06:18:01,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,280 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:01,284 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 [2021-07-14 06:18:01,286 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:01,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,301 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:01,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 [2021-07-14 06:18:01,307 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-07-14 06:18:01,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,322 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:01,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 [2021-07-14 06:18:01,329 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 4 xjuncts. [2021-07-14 06:18:01,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,347 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:01,351 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 [2021-07-14 06:18:01,353 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:01,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,369 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:01,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 [2021-07-14 06:18:01,376 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2021-07-14 06:18:01,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,394 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:01,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 [2021-07-14 06:18:01,400 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:01,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,418 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:01,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 [2021-07-14 06:18:01,424 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:01,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:01,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 [2021-07-14 06:18:01,439 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:01,671 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 98 [2021-07-14 06:18:01,671 INFO L628 ElimStorePlain]: treesize reduction 160, result has 69.1 percent of original size [2021-07-14 06:18:01,677 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:01,677 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:01,678 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 23 treesize of output 11 [2021-07-14 06:18:01,678 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:01,683 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:01,684 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:01,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-07-14 06:18:01,685 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:01,693 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:18:01,697 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:01,698 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:01,698 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 20 treesize of output 9 [2021-07-14 06:18:01,699 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:01,703 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:01,704 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:01,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 06:18:01,705 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:01,709 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:01,710 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:01,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 06:18:01,710 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:01,719 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:18:01,724 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:01,724 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:01,724 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 9 treesize of output 3 [2021-07-14 06:18:01,725 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:01,729 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:01,730 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:01,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 06:18:01,731 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:01,735 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:01,735 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:01,736 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 11 treesize of output 3 [2021-07-14 06:18:01,736 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:01,744 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:18:01,749 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:01,749 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:01,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-07-14 06:18:01,750 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:01,755 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:01,755 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:01,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 19 [2021-07-14 06:18:01,756 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:01,760 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:01,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-07-14 06:18:01,761 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:01,772 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:18:01,870 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:18:01,875 INFO L550 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-07-14 06:18:01,875 INFO L247 ElimStorePlain]: Needed 22 recursive calls to eliminate 12 variables, input treesize:859, output treesize:185 [2021-07-14 06:18:02,067 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2021-07-14 06:18:02,159 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:18:02,159 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [307198860] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:18:02,159 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:18:02,159 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 21] total 41 [2021-07-14 06:18:02,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924338564] [2021-07-14 06:18:02,159 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-07-14 06:18:02,159 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:18:02,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-07-14 06:18:02,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1543, Unknown=0, NotChecked=0, Total=1640 [2021-07-14 06:18:02,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:18:02,160 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:18:02,160 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) [2021-07-14 06:18:02,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:18:02,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:18:02,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:02,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:02,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:02,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:18:02,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:18:02,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:02,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:18:02,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:18:02,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:02,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:02,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:18:02,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:18:02,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:02,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:02,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:18:02,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:02,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:02,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:18:02,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:18:02,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:18:02,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:18:02,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:18:02,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:02,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:02,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:02,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:18:02,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 06:18:02,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 06:18:02,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:02,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:18:05,297 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 86 [2021-07-14 06:18:05,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:18:05,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:18:05,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:05,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:05,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:05,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:18:05,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:18:05,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:05,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:18:05,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:18:05,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:05,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:05,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:18:05,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:18:05,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:05,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:05,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:18:05,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:05,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:05,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:18:05,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:18:05,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:18:05,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:18:05,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:18:05,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:05,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:05,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:05,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:18:05,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 06:18:05,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 06:18:05,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:05,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:18:05,603 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable469 [2021-07-14 06:18:05,603 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:18:05,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:18:05,604 INFO L82 PathProgramCache]: Analyzing trace with hash -528512074, now seen corresponding path program 27 times [2021-07-14 06:18:05,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:18:05,604 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679172097] [2021-07-14 06:18:05,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:18:05,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:18:06,318 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:18:06,319 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:18:06,319 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679172097] [2021-07-14 06:18:06,319 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679172097] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:18:06,319 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [993368955] [2021-07-14 06:18:06,319 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:18:06,361 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-14 06:18:06,362 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:18:06,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 58 conjunts are in the unsatisfiable core [2021-07-14 06:18:06,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:18:07,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,502 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:07,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,508 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:07,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 [2021-07-14 06:18:07,514 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:07,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,525 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:07,534 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:07,535 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 [2021-07-14 06:18:07,537 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:07,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,542 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:07,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,548 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:07,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 [2021-07-14 06:18:07,554 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:07,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,560 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:07,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,566 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:07,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 [2021-07-14 06:18:07,573 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:07,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,578 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:07,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,585 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:07,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 [2021-07-14 06:18:07,591 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:07,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:07,603 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:07,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 [2021-07-14 06:18:07,605 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:07,710 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2021-07-14 06:18:07,710 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.5 percent of original size [2021-07-14 06:18:07,714 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. [2021-07-14 06:18:07,715 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:457, output treesize:125 [2021-07-14 06:18:08,337 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_152, array_4], 1=[array_0, v_prenex_151]} [2021-07-14 06:18:08,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 06:18:08,342 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:08,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:18:08,345 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:08,379 INFO L628 ElimStorePlain]: treesize reduction 59, result has 43.8 percent of original size [2021-07-14 06:18:08,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-07-14 06:18:08,381 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-07-14 06:18:08,397 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:18:08,400 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:08,400 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:08,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 06:18:08,401 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:08,403 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:08,403 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 21 treesize of output 7 [2021-07-14 06:18:08,403 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:08,410 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:18:08,423 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:18:08,424 INFO L518 ElimStorePlain]: Eliminatee v_prenex_151 vanished before elimination [2021-07-14 06:18:08,425 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 06:18:08,425 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:119, output treesize:18 [2021-07-14 06:18:08,473 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:18:08,473 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [993368955] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:18:08,473 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:18:08,473 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 42 [2021-07-14 06:18:08,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495293440] [2021-07-14 06:18:08,473 INFO L462 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-07-14 06:18:08,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:18:08,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-07-14 06:18:08,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1614, Unknown=0, NotChecked=0, Total=1722 [2021-07-14 06:18:08,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:18:08,474 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:18:08,474 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 42 states, 42 states have (on average 1.3333333333333333) internal successors, (56), 42 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:18:08,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:18:08,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:18:08,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:08,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:08,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:08,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:18:08,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:18:08,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:08,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:18:08,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:18:08,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:08,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:08,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:18:08,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:18:08,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:08,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:08,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:18:08,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:08,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:08,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:18:08,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:18:08,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:18:08,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:18:08,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:18:08,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:08,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:08,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:08,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:18:08,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 06:18:08,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 06:18:08,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:08,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:18:08,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:18:11,793 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 55 [2021-07-14 06:18:12,065 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 107 [2021-07-14 06:18:12,306 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 107 [2021-07-14 06:18:12,717 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 107 [2021-07-14 06:18:12,992 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 107 [2021-07-14 06:18:13,271 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 107 [2021-07-14 06:18:13,642 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 91 [2021-07-14 06:18:13,924 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 84 [2021-07-14 06:18:14,273 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 94 [2021-07-14 06:18:14,570 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 94 [2021-07-14 06:18:14,869 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 95 [2021-07-14 06:18:15,188 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 94 [2021-07-14 06:18:15,477 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 95 [2021-07-14 06:18:15,773 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 98 [2021-07-14 06:18:15,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:18:15,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:18:15,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:15,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:15,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:15,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:18:15,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:18:15,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:15,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:18:15,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:18:15,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:15,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:15,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:18:15,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:18:15,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:15,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:15,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:18:15,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:15,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:15,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:18:15,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:18:15,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:18:15,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:18:15,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:18:15,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:15,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:15,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:15,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:18:15,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 06:18:15,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 06:18:15,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:15,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:18:15,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:18:16,061 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable502 [2021-07-14 06:18:16,061 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:18:16,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:18:16,061 INFO L82 PathProgramCache]: Analyzing trace with hash 796655074, now seen corresponding path program 28 times [2021-07-14 06:18:16,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:18:16,061 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470893957] [2021-07-14 06:18:16,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:18:16,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:18:16,508 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:18:16,509 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:18:16,509 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470893957] [2021-07-14 06:18:16,509 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470893957] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:18:16,509 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [486914890] [2021-07-14 06:18:16,509 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:18:16,550 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 06:18:16,550 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:18:16,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 44 conjunts are in the unsatisfiable core [2021-07-14 06:18:16,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:18:17,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-14 06:18:17,006 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:17,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 06:18:17,008 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:17,010 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:17,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 06:18:17,011 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:17,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 06:18:17,014 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:17,015 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 06:18:17,016 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:17,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:18:17,018 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:17,054 INFO L628 ElimStorePlain]: treesize reduction 14, result has 69.6 percent of original size [2021-07-14 06:18:17,055 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 06:18:17,055 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-07-14 06:18:17,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-14 06:18:17,286 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:17,287 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:17,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 06:18:17,288 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:17,290 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:17,290 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 16 treesize of output 12 [2021-07-14 06:18:17,291 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:17,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 06:18:17,292 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:17,306 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-07-14 06:18:17,306 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 06:18:17,307 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:18:17,307 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-14 06:18:17,340 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:18:17,340 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [486914890] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:18:17,340 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:18:17,340 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 43 [2021-07-14 06:18:17,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630743226] [2021-07-14 06:18:17,341 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-07-14 06:18:17,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:18:17,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-07-14 06:18:17,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=1701, Unknown=0, NotChecked=0, Total=1806 [2021-07-14 06:18:17,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:18:17,342 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:18:17,342 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 1.3953488372093024) internal successors, (60), 43 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:18:17,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:18:17,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:18:17,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:17,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:17,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:17,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:18:17,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:18:17,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:17,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:18:17,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:18:17,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:17,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:17,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:18:17,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:18:17,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:17,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:17,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:18:17,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:17,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:17,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:18:17,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:18:17,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:18:17,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:18:17,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:18:17,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:17,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:17,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:17,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:18:17,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 06:18:17,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 06:18:17,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:17,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 06:18:17,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:18:17,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:18:20,981 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 95 [2021-07-14 06:18:21,385 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 100 [2021-07-14 06:18:21,801 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 104 [2021-07-14 06:18:22,288 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 108 [2021-07-14 06:18:22,683 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 114 [2021-07-14 06:18:23,070 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 118 [2021-07-14 06:18:23,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:18:23,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:18:23,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:23,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:23,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:23,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:18:23,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:18:23,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:23,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:18:23,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:18:23,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:23,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:23,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:18:23,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:18:23,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:23,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:23,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:18:23,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:23,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:23,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:18:23,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:18:23,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:18:23,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:18:23,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:18:23,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:23,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:23,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:23,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:18:23,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 06:18:23,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 06:18:23,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:23,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:18:23,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:18:23,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:18:23,373 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable522 [2021-07-14 06:18:23,373 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:18:23,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:18:23,374 INFO L82 PathProgramCache]: Analyzing trace with hash 89631272, now seen corresponding path program 29 times [2021-07-14 06:18:23,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:18:23,374 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976219255] [2021-07-14 06:18:23,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:18:23,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:18:23,849 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:18:23,850 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:18:23,850 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976219255] [2021-07-14 06:18:23,850 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976219255] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:18:23,850 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363808591] [2021-07-14 06:18:23,850 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:18:23,897 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-14 06:18:23,898 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:18:23,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 59 conjunts are in the unsatisfiable core [2021-07-14 06:18:23,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:18:24,366 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 74 [2021-07-14 06:18:24,602 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-07-14 06:18:24,877 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 84 [2021-07-14 06:18:25,215 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-07-14 06:18:25,277 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:25,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:25,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:25,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:25,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:25,280 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:25,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 39 [2021-07-14 06:18:25,287 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:25,291 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:25,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:25,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:25,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:25,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:25,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-07-14 06:18:25,295 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:25,377 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:18:25,382 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:25,382 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:25,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 39 [2021-07-14 06:18:25,391 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:25,394 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:25,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 41 [2021-07-14 06:18:25,396 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-07-14 06:18:25,463 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:18:25,467 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:25,468 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:25,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-07-14 06:18:25,476 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:25,479 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:25,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 33 [2021-07-14 06:18:25,481 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:25,530 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:18:25,536 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 6 dim-0 vars, and 6 xjuncts. [2021-07-14 06:18:25,536 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:340, output treesize:146 [2021-07-14 06:18:26,533 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 21=[array_0]} [2021-07-14 06:18:26,537 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:26,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:18:26,538 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:26,542 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:26,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-07-14 06:18:26,544 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:26,548 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:26,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-14 06:18:26,549 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:26,553 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:26,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:18:26,554 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:26,558 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:26,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-14 06:18:26,559 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:26,563 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:26,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-07-14 06:18:26,564 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:26,568 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:26,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 06:18:26,569 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:26,572 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:26,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-07-14 06:18:26,573 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:26,577 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:26,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-07-14 06:18:26,578 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:26,582 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:26,582 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 16 treesize of output 12 [2021-07-14 06:18:26,582 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:26,587 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:26,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:18:26,587 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:26,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-07-14 06:18:26,592 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:26,724 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2021-07-14 06:18:26,724 INFO L628 ElimStorePlain]: treesize reduction 122, result has 52.0 percent of original size [2021-07-14 06:18:26,728 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:26,728 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:26,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-07-14 06:18:26,729 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:26,732 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:26,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-07-14 06:18:26,733 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:26,785 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:18:26,787 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-07-14 06:18:26,787 INFO L247 ElimStorePlain]: Needed 15 recursive calls to eliminate 8 variables, input treesize:405, output treesize:58 [2021-07-14 06:18:26,910 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:18:26,911 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [363808591] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:18:26,911 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:18:26,911 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 38 [2021-07-14 06:18:26,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791384703] [2021-07-14 06:18:26,911 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-07-14 06:18:26,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:18:26,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-07-14 06:18:26,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=1314, Unknown=0, NotChecked=0, Total=1406 [2021-07-14 06:18:26,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:18:26,912 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:18:26,912 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 1.368421052631579) internal successors, (52), 38 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:18:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:18:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:18:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:18:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:18:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:18:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:18:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:18:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:18:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:18:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:18:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:18:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:18:26,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:18:26,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:18:26,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:26,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:26,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:26,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:18:26,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 06:18:26,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 06:18:26,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:26,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:18:26,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:18:26,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:18:26,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:18:27,828 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 96 [2021-07-14 06:18:28,809 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 96 [2021-07-14 06:18:30,971 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 54 [2021-07-14 06:18:31,337 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 59 [2021-07-14 06:18:31,607 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 64 [2021-07-14 06:18:31,941 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 69 [2021-07-14 06:18:32,194 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 107 [2021-07-14 06:18:32,494 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 113 [2021-07-14 06:18:32,768 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2021-07-14 06:18:33,193 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 124 [2021-07-14 06:18:33,542 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 131 [2021-07-14 06:18:33,884 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 131 [2021-07-14 06:18:34,232 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 131 [2021-07-14 06:18:34,591 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 131 [2021-07-14 06:18:34,931 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 129 [2021-07-14 06:18:35,496 WARN L205 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 157 [2021-07-14 06:18:35,862 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 120 [2021-07-14 06:18:36,177 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 120 [2021-07-14 06:18:36,446 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 120 [2021-07-14 06:18:36,704 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 120 [2021-07-14 06:18:36,976 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 121 [2021-07-14 06:18:37,697 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2021-07-14 06:18:37,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:18:37,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:18:37,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:37,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:37,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:37,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:18:37,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:18:37,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:37,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:18:37,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:18:37,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:37,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:37,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:18:37,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:18:37,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:37,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:37,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:18:37,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:37,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:37,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:18:37,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:18:37,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:18:37,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:18:37,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:18:37,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:37,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:37,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:37,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:18:37,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-07-14 06:18:37,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 06:18:37,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:37,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:18:37,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:18:37,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:18:37,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 06:18:37,989 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable530 [2021-07-14 06:18:37,990 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:18:37,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:18:37,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1217274530, now seen corresponding path program 30 times [2021-07-14 06:18:37,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:18:37,990 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498785773] [2021-07-14 06:18:37,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:18:37,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:18:38,252 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:18:38,253 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:18:38,253 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498785773] [2021-07-14 06:18:38,253 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498785773] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:18:38,253 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1732569800] [2021-07-14 06:18:38,253 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:18:38,292 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-14 06:18:38,292 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:18:38,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-14 06:18:38,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:18:38,490 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:38,490 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:38,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 06:18:38,491 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:38,493 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:38,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:18:38,494 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:38,507 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:18:38,508 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-07-14 06:18:38,508 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:51, output treesize:37 [2021-07-14 06:18:38,990 INFO L446 ElimStorePlain]: Different costs {10=[array_4], 28=[array_0]} [2021-07-14 06:18:38,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:38,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:38,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:38,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:38,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:38,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:38,999 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:39,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 40 [2021-07-14 06:18:39,002 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:39,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:39,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:39,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:39,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:39,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:39,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:39,011 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:39,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 42 [2021-07-14 06:18:39,015 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-14 06:18:39,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:39,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:39,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:39,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:39,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:39,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:39,024 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:39,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2021-07-14 06:18:39,027 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:39,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:39,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:39,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:39,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:39,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:39,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:39,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2021-07-14 06:18:39,035 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:39,109 INFO L628 ElimStorePlain]: treesize reduction 58, result has 63.5 percent of original size [2021-07-14 06:18:39,112 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:39,113 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:39,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 06:18:39,114 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:39,116 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:39,117 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:39,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 06:18:39,118 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:39,124 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:18:39,127 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:39,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-07-14 06:18:39,128 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:39,196 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:18:39,198 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 06:18:39,198 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 6 variables, input treesize:301, output treesize:55 [2021-07-14 06:18:39,294 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:18:39,294 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1732569800] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:18:39,294 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:18:39,294 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 32 [2021-07-14 06:18:39,294 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087138510] [2021-07-14 06:18:39,295 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-07-14 06:18:39,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:18:39,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-07-14 06:18:39,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=907, Unknown=0, NotChecked=0, Total=992 [2021-07-14 06:18:39,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:18:39,295 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:18:39,295 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 1.46875) internal successors, (47), 32 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:18:39,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:18:39,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:18:39,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:39,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:39,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:39,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:18:39,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:18:39,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:39,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:18:39,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:18:39,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:39,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:39,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:18:39,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:18:39,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:39,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:39,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:18:39,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:39,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:39,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:18:39,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:18:39,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:18:39,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:18:39,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:18:39,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:39,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:39,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:39,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:18:39,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-07-14 06:18:39,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 06:18:39,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:39,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:18:39,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:18:39,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:18:39,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 06:18:39,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:18:40,633 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 48 [2021-07-14 06:18:40,930 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 85 [2021-07-14 06:18:41,166 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 59 [2021-07-14 06:18:41,344 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2021-07-14 06:18:41,498 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 48 [2021-07-14 06:18:41,817 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2021-07-14 06:18:42,065 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 83 [2021-07-14 06:18:42,323 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 81 [2021-07-14 06:18:42,623 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 88 [2021-07-14 06:18:42,925 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 70 [2021-07-14 06:18:43,266 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 77 [2021-07-14 06:18:45,154 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 64 [2021-07-14 06:18:45,646 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 65 [2021-07-14 06:18:46,158 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 65 [2021-07-14 06:18:46,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:18:46,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:18:46,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:46,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:46,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:46,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:18:46,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:18:46,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:46,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:18:46,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:18:46,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:46,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:46,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:18:46,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:18:46,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:46,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:46,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:18:46,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:46,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:46,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:18:46,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:18:46,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:18:46,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:18:46,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:18:46,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:46,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:46,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:46,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:18:46,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-07-14 06:18:46,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:18:46,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:46,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:18:46,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:18:46,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:18:46,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-14 06:18:46,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:18:46,912 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable580,37 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:18:46,913 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:18:46,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:18:46,913 INFO L82 PathProgramCache]: Analyzing trace with hash -1410870316, now seen corresponding path program 31 times [2021-07-14 06:18:46,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:18:46,913 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863869384] [2021-07-14 06:18:46,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:18:46,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:18:47,173 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:18:47,173 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:18:47,173 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863869384] [2021-07-14 06:18:47,173 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863869384] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:18:47,173 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2001594424] [2021-07-14 06:18:47,173 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:18:47,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:18:47,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 44 conjunts are in the unsatisfiable core [2021-07-14 06:18:47,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:18:47,321 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:47,321 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 16 treesize of output 12 [2021-07-14 06:18:47,322 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:47,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:18:47,324 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:47,337 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:18:47,338 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:18:47,338 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 06:18:47,507 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:47,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:18:47,508 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:47,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:18:47,511 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:47,525 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 06:18:47,525 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 06:18:47,525 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 06:18:47,525 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 06:18:47,598 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:18:47,598 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2001594424] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:18:47,598 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:18:47,598 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 30 [2021-07-14 06:18:47,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062369976] [2021-07-14 06:18:47,599 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-14 06:18:47,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:18:47,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-14 06:18:47,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=795, Unknown=0, NotChecked=0, Total=870 [2021-07-14 06:18:47,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:18:47,599 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:18:47,599 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) [2021-07-14 06:18:47,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:18:47,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:18:47,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:47,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:47,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:47,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:18:47,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:18:47,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:47,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:18:47,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:18:47,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:47,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:47,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:18:47,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:18:47,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:47,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:47,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:18:47,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:47,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:47,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:18:47,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:18:47,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:18:47,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:18:47,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:18:47,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:47,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:47,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:47,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:18:47,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-07-14 06:18:47,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:18:47,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:47,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:18:47,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:18:47,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:18:47,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-07-14 06:18:47,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:18:47,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:18:48,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:18:48,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:18:48,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:48,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:48,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:48,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:18:48,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:18:48,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:48,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:18:48,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:18:48,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:48,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:48,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:18:48,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:18:48,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:48,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:48,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:18:48,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:48,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:48,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:18:48,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:18:48,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:18:48,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:18:48,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:18:48,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:48,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:48,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:48,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:18:48,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-07-14 06:18:48,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:18:48,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:48,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:18:48,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:18:48,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:18:48,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-14 06:18:48,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:18:48,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:18:48,924 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable598 [2021-07-14 06:18:48,924 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:18:48,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:18:48,924 INFO L82 PathProgramCache]: Analyzing trace with hash -786646652, now seen corresponding path program 32 times [2021-07-14 06:18:48,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:18:48,924 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046489793] [2021-07-14 06:18:48,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:18:48,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:18:49,910 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:18:49,910 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:18:49,910 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046489793] [2021-07-14 06:18:49,910 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046489793] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:18:49,910 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [774632666] [2021-07-14 06:18:49,910 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:18:49,953 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 06:18:49,953 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:18:49,954 WARN L261 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 96 conjunts are in the unsatisfiable core [2021-07-14 06:18:49,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:18:50,994 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2021-07-14 06:18:51,229 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-07-14 06:18:51,518 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2021-07-14 06:18:51,838 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-07-14 06:18:51,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,900 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:51,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,901 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:51,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,910 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:51,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,912 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:51,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,913 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:51,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,914 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:51,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:51,921 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:51,930 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:51,932 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:51,935 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:51,936 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:51,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 79 [2021-07-14 06:18:51,938 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:51,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,947 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:51,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,948 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:51,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,957 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:51,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,958 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:51,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,960 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:51,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:51,961 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:51,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 71 [2021-07-14 06:18:51,963 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:52,072 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-07-14 06:18:52,072 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:18:52,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:52,077 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:52,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:52,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:52,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:52,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:52,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:52,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:52,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:52,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:52,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:52,083 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:52,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:52,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:52,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:52,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:52,086 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:52,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:52,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:52,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:52,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:52,089 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:52,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:52,090 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:52,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:52,091 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:52,092 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:52,102 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:52,107 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:52,113 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:52,115 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:52,117 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:52,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 81 [2021-07-14 06:18:52,120 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:52,124 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:52,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:52,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:52,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:52,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:52,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:52,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:52,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:52,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:52,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:52,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:52,134 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:52,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:52,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:52,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:52,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:52,138 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:52,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:52,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:52,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:52,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:52,141 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:52,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:52,143 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:52,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:18:52,192 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:52,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 79 [2021-07-14 06:18:52,194 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:52,268 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:18:52,274 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-07-14 06:18:52,274 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:483, output treesize:291 [2021-07-14 06:18:53,389 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 154 [2021-07-14 06:18:53,844 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 154 [2021-07-14 06:18:54,262 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 154 [2021-07-14 06:18:54,712 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 154 [2021-07-14 06:18:55,154 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 154 [2021-07-14 06:18:55,258 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_192, v_prenex_194, v_prenex_196, array_4, v_prenex_198], 21=[v_prenex_191, v_prenex_193, array_0, v_prenex_195, v_prenex_197]} [2021-07-14 06:18:55,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 56 [2021-07-14 06:18:55,278 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:55,284 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 74 treesize of output 58 [2021-07-14 06:18:55,286 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:55,452 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 132 [2021-07-14 06:18:55,453 INFO L628 ElimStorePlain]: treesize reduction 332, result has 43.9 percent of original size [2021-07-14 06:18:55,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 49 [2021-07-14 06:18:55,459 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:55,505 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:18:55,505 INFO L518 ElimStorePlain]: Eliminatee v_prenex_196 vanished before elimination [2021-07-14 06:18:55,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 56 [2021-07-14 06:18:55,511 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-07-14 06:18:55,552 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:18:55,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 56 [2021-07-14 06:18:55,557 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2021-07-14 06:18:55,595 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:18:55,599 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:55,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-07-14 06:18:55,600 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:55,637 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:18:55,640 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:55,640 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 10 treesize of output 5 [2021-07-14 06:18:55,641 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:55,679 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:18:55,682 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:55,682 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:55,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 06:18:55,683 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:55,686 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:55,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 06:18:55,687 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:55,694 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:18:55,729 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:18:55,729 INFO L518 ElimStorePlain]: Eliminatee v_prenex_195 vanished before elimination [2021-07-14 06:18:55,732 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:55,733 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:55,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 06:18:55,733 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:55,736 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:18:55,736 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 21 treesize of output 7 [2021-07-14 06:18:55,737 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 06:18:55,744 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:18:55,778 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:18:55,780 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 10 dim-1 vars, End of recursive call: and 7 xjuncts. [2021-07-14 06:18:55,780 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 15 variables, input treesize:694, output treesize:52 [2021-07-14 06:18:55,875 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:18:55,875 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [774632666] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:18:55,875 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:18:55,875 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 23] total 45 [2021-07-14 06:18:55,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508036192] [2021-07-14 06:18:55,876 INFO L462 AbstractCegarLoop]: Interpolant automaton has 45 states [2021-07-14 06:18:55,876 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:18:55,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-07-14 06:18:55,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1879, Unknown=0, NotChecked=0, Total=1980 [2021-07-14 06:18:55,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:18:55,877 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:18:55,877 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 45 states, 45 states have (on average 1.3333333333333333) internal successors, (60), 45 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:18:55,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:18:55,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:18:55,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:55,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:55,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:18:55,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:18:55,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:18:55,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:55,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:18:55,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:18:55,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:55,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:55,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:18:55,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:18:55,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:55,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:55,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:18:55,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:18:55,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:55,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:18:55,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:18:55,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:18:55,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:18:55,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:18:55,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:18:55,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:55,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:55,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:18:55,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-07-14 06:18:55,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:18:55,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:18:55,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:18:55,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:18:55,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:18:55,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-07-14 06:18:55,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:18:55,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:18:55,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:18:58,585 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 108 [2021-07-14 06:18:58,871 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 95 [2021-07-14 06:18:59,338 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 181 [2021-07-14 06:18:59,876 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 131 [2021-07-14 06:19:00,477 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 195 [2021-07-14 06:19:01,028 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 112 [2021-07-14 06:19:01,404 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 184 [2021-07-14 06:19:02,275 WARN L205 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 199 [2021-07-14 06:19:02,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:19:02,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:19:02,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:02,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:02,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:02,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:19:02,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:19:02,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:02,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:19:02,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:19:02,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:02,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:02,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:19:02,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:19:02,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:02,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:02,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:19:02,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:02,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:02,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:19:02,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:19:02,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:19:02,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:19:02,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:19:02,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:02,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:02,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:02,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:19:02,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-07-14 06:19:02,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:19:02,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:02,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:19:02,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:19:02,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:19:02,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-14 06:19:02,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:19:02,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:19:02,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:02,572 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable601 [2021-07-14 06:19:02,572 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:19:02,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:19:02,572 INFO L82 PathProgramCache]: Analyzing trace with hash -598156794, now seen corresponding path program 33 times [2021-07-14 06:19:02,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:19:02,572 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796457653] [2021-07-14 06:19:02,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:19:02,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:19:03,042 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:19:03,042 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:19:03,042 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796457653] [2021-07-14 06:19:03,042 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796457653] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:19:03,042 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1933355114] [2021-07-14 06:19:03,042 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:19:03,091 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-14 06:19:03,092 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:19:03,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 67 conjunts are in the unsatisfiable core [2021-07-14 06:19:03,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:19:04,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,863 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:04,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,873 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:04,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 46 [2021-07-14 06:19:04,879 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:04,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,894 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:04,907 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:04,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 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 [2021-07-14 06:19:04,909 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:04,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,921 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:04,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,933 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:04,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 46 [2021-07-14 06:19:04,938 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:04,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,948 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:04,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,959 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:04,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 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 [2021-07-14 06:19:04,967 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:04,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,979 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:04,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:04,992 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:04,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 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 [2021-07-14 06:19:04,997 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:05,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:05,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:05,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:05,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:05,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:05,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:05,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:05,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:05,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:05,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:05,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:05,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:05,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:05,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:05,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:05,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:05,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:05,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:05,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:05,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:05,014 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:05,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 54 [2021-07-14 06:19:05,016 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:05,119 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2021-07-14 06:19:05,119 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.5 percent of original size [2021-07-14 06:19:05,123 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. [2021-07-14 06:19:05,123 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:523, output treesize:125 [2021-07-14 06:19:05,821 INFO L446 ElimStorePlain]: Different costs {0=[array_4], 1=[array_0]} [2021-07-14 06:19:05,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-07-14 06:19:05,824 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 06:19:05,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-14 06:19:05,827 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:05,848 INFO L628 ElimStorePlain]: treesize reduction 41, result has 43.1 percent of original size [2021-07-14 06:19:05,850 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:05,850 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 [2021-07-14 06:19:05,851 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:05,857 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:19:05,857 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:19:05,858 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:68, output treesize:11 [2021-07-14 06:19:05,907 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:19:05,908 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1933355114] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:19:05,908 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:19:05,908 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 47 [2021-07-14 06:19:05,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829884640] [2021-07-14 06:19:05,908 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-07-14 06:19:05,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:19:05,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-07-14 06:19:05,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=2026, Unknown=0, NotChecked=0, Total=2162 [2021-07-14 06:19:05,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:19:05,909 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:19:05,909 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 1.3191489361702127) internal successors, (62), 47 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:19:05,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:19:05,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:19:05,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:05,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:05,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:05,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:19:05,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:19:05,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:05,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:19:05,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:19:05,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:05,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:05,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:19:05,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:19:05,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:05,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:05,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:19:05,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:05,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:05,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:19:05,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:19:05,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:19:05,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:19:05,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:19:05,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:05,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:05,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:05,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:19:05,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-07-14 06:19:05,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:19:05,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:05,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:19:05,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:19:05,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:19:05,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-07-14 06:19:05,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:19:05,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:19:05,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:05,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:19:09,654 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 63 [2021-07-14 06:19:09,954 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 92 [2021-07-14 06:19:10,198 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 120 [2021-07-14 06:19:10,489 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 120 [2021-07-14 06:19:10,789 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 92 [2021-07-14 06:19:11,098 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 92 [2021-07-14 06:19:11,421 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 92 [2021-07-14 06:19:11,787 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 94 [2021-07-14 06:19:12,079 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2021-07-14 06:19:12,436 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2021-07-14 06:19:12,736 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2021-07-14 06:19:13,009 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2021-07-14 06:19:13,301 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2021-07-14 06:19:13,633 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2021-07-14 06:19:13,951 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2021-07-14 06:19:14,311 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2021-07-14 06:19:14,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:19:14,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:19:14,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:14,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:14,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:14,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:19:14,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:19:14,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:14,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:19:14,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:19:14,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:14,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:14,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:19:14,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:19:14,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:14,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:14,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:19:14,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:14,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:14,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:19:14,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:19:14,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:19:14,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:19:14,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:19:14,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:14,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:14,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:14,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:19:14,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-07-14 06:19:14,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:19:14,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:14,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:19:14,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:19:14,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:19:14,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-14 06:19:14,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:19:14,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:19:14,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:14,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:19:14,609 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable661 [2021-07-14 06:19:14,609 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:19:14,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:19:14,609 INFO L82 PathProgramCache]: Analyzing trace with hash -1362331246, now seen corresponding path program 34 times [2021-07-14 06:19:14,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:19:14,609 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868073777] [2021-07-14 06:19:14,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:19:14,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:19:15,014 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 7 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:19:15,014 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:19:15,014 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868073777] [2021-07-14 06:19:15,014 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868073777] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:19:15,014 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1453436589] [2021-07-14 06:19:15,014 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:19:15,058 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 06:19:15,058 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:19:15,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-14 06:19:15,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:19:15,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-14 06:19:15,309 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:15,311 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:15,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:19:15,312 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:15,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 06:19:15,315 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:15,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 06:19:15,318 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:15,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-14 06:19:15,320 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:15,322 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 17 treesize of output 13 [2021-07-14 06:19:15,323 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:15,352 INFO L628 ElimStorePlain]: treesize reduction 22, result has 59.3 percent of original size [2021-07-14 06:19:15,353 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 06:19:15,353 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-07-14 06:19:15,587 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:15,588 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 16 treesize of output 12 [2021-07-14 06:19:15,588 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:15,590 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:15,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 06:19:15,591 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:15,593 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 [2021-07-14 06:19:15,594 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:15,595 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 06:19:15,596 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:15,610 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-07-14 06:19:15,610 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 06:19:15,610 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:19:15,611 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-14 06:19:15,647 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 7 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:19:15,647 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1453436589] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:19:15,647 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:19:15,647 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 40 [2021-07-14 06:19:15,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202696013] [2021-07-14 06:19:15,647 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-14 06:19:15,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:19:15,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-14 06:19:15,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=1456, Unknown=0, NotChecked=0, Total=1560 [2021-07-14 06:19:15,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:19:15,648 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:19:15,648 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.375) internal successors, (55), 40 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:19:15,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:19:15,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:19:15,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:15,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:15,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:15,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:19:15,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:19:15,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:15,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:19:15,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:19:15,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:15,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:15,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:19:15,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:19:15,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:15,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:15,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:19:15,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:15,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:15,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:19:15,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:19:15,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:19:15,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:19:15,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:19:15,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:15,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:15,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:15,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:19:15,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-07-14 06:19:15,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:19:15,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:15,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:19:15,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:19:15,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:19:15,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-07-14 06:19:15,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:19:15,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:19:15,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:15,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:19:15,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:19:19,375 WARN L205 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 222 [2021-07-14 06:19:20,288 WARN L205 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 290 [2021-07-14 06:19:21,170 WARN L205 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 290 [2021-07-14 06:19:22,029 WARN L205 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 290 [2021-07-14 06:19:22,761 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 289 [2021-07-14 06:19:23,221 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 199 [2021-07-14 06:19:23,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:19:23,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:19:23,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:23,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:23,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:23,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:19:23,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:19:23,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:23,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:19:23,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:19:23,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:23,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:23,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:19:23,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:19:23,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:23,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:23,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:19:23,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:23,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:23,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:19:23,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:19:23,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:19:23,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:19:23,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:19:23,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:23,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:23,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:23,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:19:23,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-07-14 06:19:23,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:19:23,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:23,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:19:23,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:19:23,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:19:23,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-14 06:19:23,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:19:23,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:19:23,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:19:23,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:19:23,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:19:23,550 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable682,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:19:23,550 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:19:23,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:19:23,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1384417748, now seen corresponding path program 35 times [2021-07-14 06:19:23,551 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:19:23,551 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529627135] [2021-07-14 06:19:23,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:19:23,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:19:24,221 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:19:24,221 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:19:24,221 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529627135] [2021-07-14 06:19:24,221 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529627135] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:19:24,221 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1459388548] [2021-07-14 06:19:24,221 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:19:24,268 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-14 06:19:24,268 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:19:24,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 68 conjunts are in the unsatisfiable core [2021-07-14 06:19:24,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:19:24,892 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 [2021-07-14 06:19:24,894 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:24,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 [2021-07-14 06:19:24,915 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:24,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 [2021-07-14 06:19:24,920 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:25,006 INFO L628 ElimStorePlain]: treesize reduction 112, result has 59.6 percent of original size [2021-07-14 06:19:25,019 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 62 treesize of output 46 [2021-07-14 06:19:25,022 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-07-14 06:19:25,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 [2021-07-14 06:19:25,026 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:25,047 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:19:25,048 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-07-14 06:19:25,048 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 2 variables, input treesize:403, output treesize:95 [2021-07-14 06:19:25,554 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:25,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-14 06:19:25,556 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:25,559 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:25,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-07-14 06:19:25,560 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:25,563 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:25,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-07-14 06:19:25,564 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:25,568 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:25,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:19:25,569 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:25,571 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:25,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-07-14 06:19:25,573 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:25,576 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:25,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-07-14 06:19:25,577 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:25,579 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 06:19:25,580 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:25,583 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:25,584 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 15 treesize of output 11 [2021-07-14 06:19:25,584 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:25,587 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 06:19:25,587 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:25,590 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:25,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-14 06:19:25,592 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:25,594 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 06:19:25,595 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:25,597 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 06:19:25,598 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:25,649 INFO L628 ElimStorePlain]: treesize reduction 76, result has 44.9 percent of original size [2021-07-14 06:19:25,652 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:25,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-07-14 06:19:25,653 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:25,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-07-14 06:19:25,655 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:25,672 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:19:25,673 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-07-14 06:19:25,673 INFO L247 ElimStorePlain]: Needed 15 recursive calls to eliminate 2 variables, input treesize:333, output treesize:46 [2021-07-14 06:19:25,778 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:19:25,778 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1459388548] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:19:25,779 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:19:25,779 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 41 [2021-07-14 06:19:25,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408586809] [2021-07-14 06:19:25,779 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-07-14 06:19:25,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:19:25,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-07-14 06:19:25,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=1534, Unknown=0, NotChecked=0, Total=1640 [2021-07-14 06:19:25,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:19:25,780 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:19:25,780 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) [2021-07-14 06:19:25,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:19:25,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:19:25,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:25,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:25,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:25,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:19:25,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:19:25,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:25,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:19:25,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:19:25,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:25,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:25,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:19:25,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:19:25,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:25,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:25,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:19:25,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:25,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:25,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:19:25,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:19:25,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:19:25,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:19:25,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:19:25,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:25,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:25,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:25,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:19:25,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-07-14 06:19:25,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:19:25,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:25,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:19:25,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:19:25,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:19:25,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-07-14 06:19:25,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:19:25,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:19:25,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:19:25,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:19:25,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:19:25,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:19:27,232 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 59 [2021-07-14 06:19:27,567 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 69 [2021-07-14 06:19:27,908 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 80 [2021-07-14 06:19:28,083 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 56 [2021-07-14 06:19:28,287 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 58 [2021-07-14 06:19:28,512 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 59 [2021-07-14 06:19:28,680 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 59 [2021-07-14 06:19:28,845 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 59 [2021-07-14 06:19:29,009 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 59 [2021-07-14 06:19:29,171 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 59 [2021-07-14 06:19:29,440 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 68 [2021-07-14 06:19:29,776 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 128 [2021-07-14 06:19:30,675 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 99 [2021-07-14 06:19:30,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:19:30,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:19:30,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:30,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:30,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:30,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:19:30,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:19:30,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:30,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:19:30,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:19:30,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:30,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:30,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:19:30,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:19:30,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:30,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:30,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:19:30,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:30,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:30,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:19:30,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:19:30,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:19:30,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:19:30,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:19:30,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:30,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:30,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:30,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:19:30,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-07-14 06:19:30,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:19:30,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:30,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:19:30,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:19:30,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:19:30,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 06:19:30,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:19:30,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:19:30,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:19:30,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:19:30,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:19:30,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:19:30,966 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable690,42 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:19:30,966 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:19:30,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:19:30,966 INFO L82 PathProgramCache]: Analyzing trace with hash -25593134, now seen corresponding path program 36 times [2021-07-14 06:19:30,967 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:19:30,967 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497316682] [2021-07-14 06:19:30,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:19:30,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:19:31,304 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:19:31,304 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:19:31,304 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497316682] [2021-07-14 06:19:31,305 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497316682] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:19:31,305 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1960333055] [2021-07-14 06:19:31,305 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:19:31,348 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-14 06:19:31,348 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:19:31,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 58 conjunts are in the unsatisfiable core [2021-07-14 06:19:31,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:19:31,613 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:31,614 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:31,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 06:19:31,615 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:31,617 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:31,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:19:31,618 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:31,631 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:19:31,633 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-07-14 06:19:31,633 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:51, output treesize:37 [2021-07-14 06:19:32,399 INFO L446 ElimStorePlain]: Different costs {15=[array_4], 21=[array_0]} [2021-07-14 06:19:32,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:32,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:32,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:32,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:32,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:32,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:32,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:32,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:32,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:32,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:32,411 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:32,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 [2021-07-14 06:19:32,415 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:32,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:32,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:32,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:32,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:32,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:32,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:32,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:32,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:32,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:32,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:32,427 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:32,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 [2021-07-14 06:19:32,432 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-14 06:19:32,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:32,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:32,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:32,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:32,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:32,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:32,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:32,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:32,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:32,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:32,443 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:32,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 [2021-07-14 06:19:32,448 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:32,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:32,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:32,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:32,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:32,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:32,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:32,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:32,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:32,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:32,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:32,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 [2021-07-14 06:19:32,457 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:32,537 INFO L628 ElimStorePlain]: treesize reduction 38, result has 72.7 percent of original size [2021-07-14 06:19:32,540 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:32,540 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:32,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-07-14 06:19:32,541 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:32,544 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:32,544 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:32,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 06:19:32,545 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:32,548 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:32,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 06:19:32,548 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:32,555 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:19:32,588 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:19:32,589 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 06:19:32,589 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:325, output treesize:55 [2021-07-14 06:19:32,705 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:19:32,705 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1960333055] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:19:32,705 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:19:32,705 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 37 [2021-07-14 06:19:32,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809789102] [2021-07-14 06:19:32,706 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-14 06:19:32,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:19:32,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-14 06:19:32,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=1245, Unknown=0, NotChecked=0, Total=1332 [2021-07-14 06:19:32,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:19:32,706 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:19:32,706 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 37 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:19:32,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:19:32,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:19:32,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:32,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:32,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:32,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:19:32,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:19:32,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:32,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:19:32,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:19:32,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:32,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:32,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:19:32,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:19:32,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:32,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:32,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:19:32,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:32,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:32,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:19:32,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:19:32,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:19:32,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:19:32,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:19:32,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:32,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:32,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:32,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:19:32,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-07-14 06:19:32,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:19:32,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:32,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:19:32,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:19:32,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:19:32,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 06:19:32,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:19:32,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:19:32,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:19:32,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:19:32,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:19:32,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:19:32,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:19:34,879 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 56 [2021-07-14 06:19:35,081 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 61 [2021-07-14 06:19:35,380 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 81 [2021-07-14 06:19:35,589 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 54 [2021-07-14 06:19:36,389 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 57 [2021-07-14 06:19:36,712 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 62 [2021-07-14 06:19:36,986 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2021-07-14 06:19:37,266 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 84 [2021-07-14 06:19:37,548 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 42 [2021-07-14 06:19:37,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:19:37,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:19:37,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:37,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:37,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:37,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:19:37,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:19:37,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:37,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:19:37,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:19:37,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:37,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:37,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:19:37,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:19:37,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:37,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:37,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:19:37,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:37,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:37,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:19:37,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:19:37,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:19:37,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:19:37,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:19:37,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:37,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:37,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:37,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:19:37,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-07-14 06:19:37,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:19:37,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:37,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:19:37,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:19:37,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:19:37,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-07-14 06:19:37,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:19:37,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:19:37,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:19:37,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:19:37,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:19:37,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:19:37,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:19:38,097 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable720,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:19:38,097 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:19:38,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:19:38,097 INFO L82 PathProgramCache]: Analyzing trace with hash 1404566548, now seen corresponding path program 37 times [2021-07-14 06:19:38,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:19:38,097 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288275548] [2021-07-14 06:19:38,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:19:38,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:19:38,311 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 5 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:19:38,312 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:19:38,312 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288275548] [2021-07-14 06:19:38,312 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288275548] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:19:38,312 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239239548] [2021-07-14 06:19:38,312 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:19:38,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:19:38,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 39 conjunts are in the unsatisfiable core [2021-07-14 06:19:38,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:19:38,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:19:38,487 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:38,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:19:38,489 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:38,503 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:19:38,503 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:19:38,504 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:51, output treesize:37 [2021-07-14 06:19:38,638 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:38,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:19:38,639 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:38,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-14 06:19:38,641 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:38,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 06:19:38,644 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:38,645 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 17 treesize of output 13 [2021-07-14 06:19:38,646 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:38,662 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-07-14 06:19:38,663 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 06:19:38,663 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:19:38,663 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-14 06:19:38,691 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 5 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:19:38,691 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [239239548] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:19:38,691 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:19:38,691 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 27 [2021-07-14 06:19:38,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299968773] [2021-07-14 06:19:38,691 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-14 06:19:38,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:19:38,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-14 06:19:38,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2021-07-14 06:19:38,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:19:38,692 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:19:38,692 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) [2021-07-14 06:19:38,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:19:38,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:19:38,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:38,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:38,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:38,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:19:38,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:19:38,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:38,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:19:38,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:19:38,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:38,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:38,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:19:38,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:19:38,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:38,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:38,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:19:38,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:38,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:38,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:19:38,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:19:38,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:19:38,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:19:38,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:19:38,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:38,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:38,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:38,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:19:38,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-07-14 06:19:38,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:19:38,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:38,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:19:38,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:19:38,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:19:38,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-07-14 06:19:38,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:19:38,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:19:38,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:19:38,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:19:38,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:19:38,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:19:38,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:19:38,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:19:42,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:19:42,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:19:42,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:42,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:42,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:42,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:19:42,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:19:42,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:42,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:19:42,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:19:42,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:42,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:42,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:19:42,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:19:42,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:42,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:42,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:19:42,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:42,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:42,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:19:42,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:19:42,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:19:42,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:19:42,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:19:42,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:42,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:42,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:42,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:19:42,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-14 06:19:42,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:19:42,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:42,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:19:42,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:19:42,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:19:42,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-07-14 06:19:42,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:19:42,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:19:42,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:19:42,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:19:42,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:19:42,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:19:42,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:19:42,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:19:42,497 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable742,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:19:42,497 INFO L430 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:19:42,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:19:42,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1670607394, now seen corresponding path program 38 times [2021-07-14 06:19:42,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:19:42,497 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640021954] [2021-07-14 06:19:42,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:19:42,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:19:42,969 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:19:42,970 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:19:42,970 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640021954] [2021-07-14 06:19:42,970 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640021954] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:19:42,970 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [631171396] [2021-07-14 06:19:42,970 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:19:43,012 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 06:19:43,012 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:19:43,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 67 conjunts are in the unsatisfiable core [2021-07-14 06:19:43,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:19:43,307 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:43,308 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:43,308 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 17 treesize of output 13 [2021-07-14 06:19:43,309 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:43,311 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:43,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:19:43,312 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:43,325 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:19:43,326 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-07-14 06:19:43,327 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:51, output treesize:37 [2021-07-14 06:19:44,210 INFO L446 ElimStorePlain]: Different costs {21=[array_4], 28=[array_0]} [2021-07-14 06:19:44,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,223 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:44,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 46 [2021-07-14 06:19:44,232 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:44,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,309 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:44,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 54 [2021-07-14 06:19:44,319 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:44,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,331 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:44,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 48 [2021-07-14 06:19:44,343 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:44,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:44,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 56 [2021-07-14 06:19:44,357 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-07-14 06:19:44,442 INFO L628 ElimStorePlain]: treesize reduction 38, result has 72.7 percent of original size [2021-07-14 06:19:44,445 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:44,445 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:44,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 06:19:44,446 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:44,449 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:44,449 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:44,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 06:19:44,450 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:44,457 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:19:44,459 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:44,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-07-14 06:19:44,460 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:44,495 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:19:44,497 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 06:19:44,497 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:369, output treesize:55 [2021-07-14 06:19:44,611 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:19:44,611 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [631171396] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:19:44,611 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:19:44,611 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 42 [2021-07-14 06:19:44,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723716767] [2021-07-14 06:19:44,612 INFO L462 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-07-14 06:19:44,613 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:19:44,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-07-14 06:19:44,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=1608, Unknown=0, NotChecked=0, Total=1722 [2021-07-14 06:19:44,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:19:44,613 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:19:44,613 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 42 states, 42 states have (on average 1.3571428571428572) internal successors, (57), 42 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:19:44,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:19:44,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:19:44,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:44,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:44,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:44,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:19:44,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:19:44,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:44,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:19:44,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:19:44,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:44,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:44,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:19:44,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:19:44,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:44,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:44,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:19:44,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:44,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:44,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:19:44,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:19:44,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:19:44,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:19:44,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:19:44,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:44,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:44,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:44,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:19:44,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-14 06:19:44,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:19:44,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:44,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:19:44,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:19:44,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:19:44,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-07-14 06:19:44,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:19:44,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:19:44,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:19:44,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:19:44,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:19:44,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:19:44,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:19:44,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:19:44,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:19:46,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:19:46,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:19:46,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:46,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:46,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:46,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:19:46,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:19:46,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:46,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:19:46,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:19:46,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:46,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:46,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:19:46,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:19:46,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:46,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:46,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:19:46,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:46,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:46,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:19:46,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:19:46,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:19:46,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:19:46,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:19:46,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:46,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:46,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:46,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:19:46,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-14 06:19:46,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:19:46,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:46,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:19:46,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:19:46,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:19:46,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-07-14 06:19:46,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:19:46,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:19:46,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:19:46,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:19:46,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:19:46,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:19:46,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:19:46,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:19:46,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:47,068 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable748 [2021-07-14 06:19:47,069 INFO L430 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:19:47,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:19:47,069 INFO L82 PathProgramCache]: Analyzing trace with hash -1732692696, now seen corresponding path program 39 times [2021-07-14 06:19:47,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:19:47,069 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745994151] [2021-07-14 06:19:47,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:19:47,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:19:47,390 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:19:47,391 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:19:47,391 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745994151] [2021-07-14 06:19:47,391 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745994151] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:19:47,391 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1680396908] [2021-07-14 06:19:47,391 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:19:47,440 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-14 06:19:47,440 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:19:47,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-14 06:19:47,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:19:47,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:19:47,576 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:47,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:19:47,578 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:47,590 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:19:47,591 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:19:47,591 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 06:19:47,805 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:47,805 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 16 treesize of output 12 [2021-07-14 06:19:47,806 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:47,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:19:47,809 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:47,823 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 06:19:47,824 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 06:19:47,824 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 06:19:47,824 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 06:19:47,854 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:19:47,854 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1680396908] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:19:47,855 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:19:47,855 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 34 [2021-07-14 06:19:47,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952444707] [2021-07-14 06:19:47,855 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-14 06:19:47,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:19:47,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-14 06:19:47,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1036, Unknown=0, NotChecked=0, Total=1122 [2021-07-14 06:19:47,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:19:47,856 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:19:47,856 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 34 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:19:47,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:19:47,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:19:47,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:47,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:47,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:47,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:19:47,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:19:47,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:47,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:19:47,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:19:47,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:47,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:47,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:19:47,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:19:47,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:47,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:47,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:19:47,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:47,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:47,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:19:47,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:19:47,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:19:47,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:19:47,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:19:47,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:47,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:47,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:47,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:19:47,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-14 06:19:47,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:19:47,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:47,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:19:47,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:19:47,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:19:47,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-07-14 06:19:47,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:19:47,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:19:47,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:19:47,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:19:47,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:19:47,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:19:47,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:19:47,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:19:47,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:47,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:19:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:19:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:19:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:19:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:19:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:19:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:19:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:19:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:19:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:19:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:19:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:19:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:19:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:19:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:19:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:49,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:49,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:19:49,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-14 06:19:49,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:19:49,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:49,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:19:49,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:19:49,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:19:49,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-07-14 06:19:49,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:19:49,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:19:49,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:19:49,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:19:49,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:19:49,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:19:49,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:19:49,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:19:49,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:49,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:19:49,623 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable772 [2021-07-14 06:19:49,623 INFO L430 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:19:49,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:19:49,623 INFO L82 PathProgramCache]: Analyzing trace with hash 2121761456, now seen corresponding path program 40 times [2021-07-14 06:19:49,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:19:49,623 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542219342] [2021-07-14 06:19:49,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:19:49,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:19:50,717 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:19:50,717 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:19:50,717 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542219342] [2021-07-14 06:19:50,717 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542219342] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:19:50,718 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [892369168] [2021-07-14 06:19:50,718 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:19:50,765 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 06:19:50,765 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:19:50,767 WARN L261 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 111 conjunts are in the unsatisfiable core [2021-07-14 06:19:50,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:19:52,114 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-07-14 06:19:52,389 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-07-14 06:19:52,707 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-07-14 06:19:53,095 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2021-07-14 06:19:53,534 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-07-14 06:19:53,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,604 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:53,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,610 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:53,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,614 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:53,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,616 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:53,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,617 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:53,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,619 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:53,620 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:53,625 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:53,631 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:53,637 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:53,640 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:53,643 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:53,646 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:53,647 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:53,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 83 [2021-07-14 06:19:53,649 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:53,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,657 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:53,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,665 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:53,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,669 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:53,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,672 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:53,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,674 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:53,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,676 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:53,676 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:53,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 91 [2021-07-14 06:19:53,678 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:53,792 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-07-14 06:19:53,792 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:19:53,796 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:53,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,801 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:53,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,806 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:53,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,810 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:53,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,811 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:53,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,813 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:53,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,814 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:53,815 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:53,825 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:53,831 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:53,836 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:53,838 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:53,840 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:53,841 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:53,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 91 [2021-07-14 06:19:53,843 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:53,846 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:53,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,852 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:53,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,857 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:53,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,860 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:53,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,861 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:53,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:19:53,864 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:53,864 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:53,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 93 [2021-07-14 06:19:53,867 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:53,943 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:19:53,950 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-07-14 06:19:53,950 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:555, output treesize:327 [2021-07-14 06:19:55,444 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 172 [2021-07-14 06:19:55,889 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 172 [2021-07-14 06:19:56,362 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 172 [2021-07-14 06:19:56,844 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 172 [2021-07-14 06:19:57,475 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 172 [2021-07-14 06:19:57,973 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 172 [2021-07-14 06:19:58,083 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_240, array_4, v_prenex_242, v_prenex_244, v_prenex_238], 28=[v_prenex_239, array_0, v_prenex_241, v_prenex_243, v_prenex_237]} [2021-07-14 06:19:58,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 61 [2021-07-14 06:19:58,110 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:58,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 63 [2021-07-14 06:19:58,120 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-14 06:19:58,328 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 148 [2021-07-14 06:19:58,328 INFO L628 ElimStorePlain]: treesize reduction 366, result has 45.5 percent of original size [2021-07-14 06:19:58,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 63 [2021-07-14 06:19:58,335 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-07-14 06:19:58,400 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:19:58,400 INFO L518 ElimStorePlain]: Eliminatee v_prenex_242 vanished before elimination [2021-07-14 06:19:58,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 63 [2021-07-14 06:19:58,408 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:58,467 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:19:58,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 56 [2021-07-14 06:19:58,473 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:58,514 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:19:58,519 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:58,519 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:58,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 06:19:58,520 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:58,523 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:58,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 06:19:58,524 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:58,532 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:19:58,571 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:19:58,575 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:58,575 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:58,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 06:19:58,576 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:58,579 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:58,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 06:19:58,580 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:58,587 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:19:58,625 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:19:58,625 INFO L518 ElimStorePlain]: Eliminatee v_prenex_241 vanished before elimination [2021-07-14 06:19:58,628 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:58,629 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 20 treesize of output 9 [2021-07-14 06:19:58,629 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:58,663 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:19:58,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:19:58,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-07-14 06:19:58,668 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 06:19:58,702 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:19:58,704 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 10 dim-1 vars, End of recursive call: and 7 xjuncts. [2021-07-14 06:19:58,704 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 15 variables, input treesize:775, output treesize:52 [2021-07-14 06:19:58,824 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:19:58,824 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [892369168] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:19:58,824 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:19:58,824 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 26] total 51 [2021-07-14 06:19:58,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125610353] [2021-07-14 06:19:58,825 INFO L462 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-07-14 06:19:58,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:19:58,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-07-14 06:19:58,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=2442, Unknown=0, NotChecked=0, Total=2550 [2021-07-14 06:19:58,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:19:58,825 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:19:58,825 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 1.2941176470588236) internal successors, (66), 51 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:19:58,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:19:58,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:19:58,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:58,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:58,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:19:58,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:19:58,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:19:58,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:58,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:19:58,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:19:58,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:58,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:58,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:19:58,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:19:58,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:58,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:58,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:19:58,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:19:58,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:58,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:19:58,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:19:58,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:19:58,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:19:58,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:19:58,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:19:58,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:58,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:58,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:19:58,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-14 06:19:58,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:19:58,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:58,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:19:58,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:19:58,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:19:58,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-07-14 06:19:58,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:19:58,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:19:58,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:19:58,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:19:58,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:19:58,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:19:58,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:19:58,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:19:58,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:19:58,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:19:58,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:20:03,055 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2021-07-14 06:20:03,464 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 78 [2021-07-14 06:20:03,861 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 92 [2021-07-14 06:20:04,532 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 132 [2021-07-14 06:20:05,351 WARN L205 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 135 [2021-07-14 06:20:05,978 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 104 [2021-07-14 06:20:06,963 WARN L205 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 210 [2021-07-14 06:20:08,081 WARN L205 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 214 [2021-07-14 06:20:08,763 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 205 [2021-07-14 06:20:10,122 WARN L205 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 220 [2021-07-14 06:20:10,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:20:10,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:20:10,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:20:10,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:20:10,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:20:10,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:20:10,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:20:10,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:20:10,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:20:10,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:20:10,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:20:10,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:20:10,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:20:10,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:20:10,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:20:10,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:20:10,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:20:10,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:20:10,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:20:10,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:20:10,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:20:10,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:20:10,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:20:10,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:20:10,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:20:10,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:20:10,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:20:10,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:20:10,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-14 06:20:10,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:20:10,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:20:10,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:20:10,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:20:10,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:20:10,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-07-14 06:20:10,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:20:10,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:20:10,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:20:10,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:20:10,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:20:10,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:20:10,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:20:10,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:20:10,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:20:10,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:20:10,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:20:10,557 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable775 [2021-07-14 06:20:10,557 INFO L430 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:20:10,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:20:10,558 INFO L82 PathProgramCache]: Analyzing trace with hash 20487222, now seen corresponding path program 41 times [2021-07-14 06:20:10,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:20:10,558 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789463979] [2021-07-14 06:20:10,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:20:10,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:20:11,472 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:20:11,473 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:20:11,473 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789463979] [2021-07-14 06:20:11,473 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789463979] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:20:11,473 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [421621482] [2021-07-14 06:20:11,473 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:20:11,532 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-14 06:20:11,532 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:20:11,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 77 conjunts are in the unsatisfiable core [2021-07-14 06:20:11,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:20:13,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,337 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:13,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,349 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:13,361 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 [2021-07-14 06:20:13,363 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:13,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,381 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:13,399 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:13,399 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 [2021-07-14 06:20:13,402 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:13,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,426 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:13,451 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:13,452 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 [2021-07-14 06:20:13,455 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:13,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,461 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:13,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:13,475 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 [2021-07-14 06:20:13,478 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:13,552 INFO L628 ElimStorePlain]: treesize reduction 2, result has 97.8 percent of original size [2021-07-14 06:20:13,555 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. [2021-07-14 06:20:13,555 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:403, output treesize:85 [2021-07-14 06:20:14,450 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 3=[array_0]} [2021-07-14 06:20:14,455 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:14,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 06:20:14,456 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:14,459 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:14,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-14 06:20:14,460 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:14,463 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:14,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-14 06:20:14,464 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:14,467 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:14,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:20:14,468 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:14,471 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:14,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2021-07-14 06:20:14,472 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 4 xjuncts. [2021-07-14 06:20:14,476 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 06:20:14,476 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:14,552 INFO L628 ElimStorePlain]: treesize reduction 188, result has 27.7 percent of original size [2021-07-14 06:20:14,554 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:14,555 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:14,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 06:20:14,556 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:14,558 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:14,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 06:20:14,559 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:14,566 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:20:14,587 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:20:14,589 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:20:14,590 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 4 variables, input treesize:256, output treesize:38 [2021-07-14 06:20:14,716 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:20:14,717 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [421621482] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:20:14,717 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:20:14,717 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 54 [2021-07-14 06:20:14,717 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326931261] [2021-07-14 06:20:14,717 INFO L462 AbstractCegarLoop]: Interpolant automaton has 54 states [2021-07-14 06:20:14,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:20:14,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2021-07-14 06:20:14,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=2713, Unknown=0, NotChecked=0, Total=2862 [2021-07-14 06:20:14,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:20:14,718 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:20:14,718 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 54 states, 54 states have (on average 1.2592592592592593) internal successors, (68), 54 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:20:14,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:20:14,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:20:14,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:20:14,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:20:14,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:20:14,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:20:14,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:20:14,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:20:14,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:20:14,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:20:14,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:20:14,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:20:14,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:20:14,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:20:14,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:20:14,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:20:14,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:20:14,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:20:14,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:20:14,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:20:14,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:20:14,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:20:14,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:20:14,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:20:14,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:20:14,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:20:14,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:20:14,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:20:14,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-14 06:20:14,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:20:14,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:20:14,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:20:14,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:20:14,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:20:14,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-07-14 06:20:14,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:20:14,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:20:14,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:20:14,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:20:14,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:20:14,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:20:14,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:20:14,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:20:14,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:20:14,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:20:14,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:20:14,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:20:18,995 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2021-07-14 06:20:19,355 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 74 [2021-07-14 06:20:19,799 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 79 [2021-07-14 06:20:20,070 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 78 [2021-07-14 06:20:20,355 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 78 [2021-07-14 06:20:20,660 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 78 [2021-07-14 06:20:20,959 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 78 [2021-07-14 06:20:21,335 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 78 [2021-07-14 06:20:21,610 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 78 [2021-07-14 06:20:21,970 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 96 [2021-07-14 06:20:22,363 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 98 [2021-07-14 06:20:22,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:20:22,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:20:22,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:20:22,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:20:22,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:20:22,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:20:22,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:20:22,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:20:22,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:20:22,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:20:22,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:20:22,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:20:22,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:20:22,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:20:22,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:20:22,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:20:22,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:20:22,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:20:22,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:20:22,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:20:22,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:20:22,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:20:22,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:20:22,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:20:22,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:20:22,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:20:22,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:20:22,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:20:22,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-14 06:20:22,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:20:22,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:20:22,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:20:22,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:20:22,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:20:22,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-07-14 06:20:22,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:20:22,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:20:22,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:20:22,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:20:22,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:20:22,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:20:22,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:20:22,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:20:22,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:20:22,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:20:22,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:20:22,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:20:22,652 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable840 [2021-07-14 06:20:22,652 INFO L430 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:20:22,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:20:22,653 INFO L82 PathProgramCache]: Analyzing trace with hash 635764066, now seen corresponding path program 42 times [2021-07-14 06:20:22,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:20:22,653 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900744348] [2021-07-14 06:20:22,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:20:22,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:20:23,136 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 8 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:20:23,137 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:20:23,137 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900744348] [2021-07-14 06:20:23,137 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900744348] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:20:23,137 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173680436] [2021-07-14 06:20:23,137 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:20:23,190 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-14 06:20:23,190 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:20:23,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 56 conjunts are in the unsatisfiable core [2021-07-14 06:20:23,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:20:23,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 06:20:23,507 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:23,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-14 06:20:23,510 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:23,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 06:20:23,513 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:23,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-14 06:20:23,516 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:23,518 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:23,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 06:20:23,519 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:23,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:20:23,522 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:23,551 INFO L628 ElimStorePlain]: treesize reduction 22, result has 59.3 percent of original size [2021-07-14 06:20:23,552 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 06:20:23,552 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-07-14 06:20:23,851 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:23,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 06:20:23,852 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:23,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 06:20:23,855 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:23,857 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:23,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:20:23,858 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:23,859 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 06:20:23,860 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:23,874 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-07-14 06:20:23,875 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 06:20:23,875 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:20:23,875 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-14 06:20:23,916 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 8 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:20:23,916 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1173680436] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:20:23,916 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:20:23,916 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 45 [2021-07-14 06:20:23,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646816649] [2021-07-14 06:20:23,917 INFO L462 AbstractCegarLoop]: Interpolant automaton has 45 states [2021-07-14 06:20:23,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:20:23,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-07-14 06:20:23,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1862, Unknown=0, NotChecked=0, Total=1980 [2021-07-14 06:20:23,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:20:23,918 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:20:23,918 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 45 states, 45 states have (on average 1.3333333333333333) internal successors, (60), 45 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:20:23,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:20:23,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:20:23,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:20:23,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:20:23,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:20:23,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:20:23,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:20:23,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:20:23,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:20:23,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:20:23,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:20:23,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:20:23,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:20:23,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:20:23,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:20:23,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:20:23,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:20:23,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:20:23,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:20:23,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:20:23,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:20:23,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:20:23,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:20:23,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:20:23,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:20:23,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:20:23,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:20:23,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:20:23,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-14 06:20:23,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:20:23,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:20:23,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:20:23,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:20:23,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:20:23,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-07-14 06:20:23,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:20:23,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:20:23,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:20:23,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:20:23,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:20:23,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:20:23,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:20:23,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:20:23,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:20:23,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:20:23,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:20:23,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:20:23,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:20:28,419 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 262 DAG size of output: 245 [2021-07-14 06:20:29,751 WARN L205 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 246 [2021-07-14 06:20:30,891 WARN L205 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 245 [2021-07-14 06:20:32,168 WARN L205 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 246 [2021-07-14 06:20:33,432 WARN L205 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 323 [2021-07-14 06:20:34,657 WARN L205 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 323 [2021-07-14 06:20:35,399 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 220 [2021-07-14 06:20:35,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:20:35,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:20:35,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:20:35,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:20:35,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:20:35,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:20:35,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:20:35,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:20:35,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:20:35,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:20:35,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:20:35,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:20:35,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:20:35,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:20:35,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:20:35,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:20:35,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:20:35,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:20:35,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:20:35,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:20:35,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:20:35,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:20:35,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:20:35,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:20:35,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:20:35,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:20:35,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:20:35,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:20:35,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-14 06:20:35,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:20:35,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:20:35,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:20:35,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:20:35,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:20:35,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-07-14 06:20:35,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:20:35,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:20:35,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:20:35,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:20:35,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:20:35,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:20:35,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:20:35,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:20:35,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:20:35,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:20:35,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:20:35,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:20:35,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 06:20:35,820 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable860 [2021-07-14 06:20:35,821 INFO L430 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:20:35,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:20:35,821 INFO L82 PathProgramCache]: Analyzing trace with hash 1350755880, now seen corresponding path program 43 times [2021-07-14 06:20:35,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:20:35,821 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990718810] [2021-07-14 06:20:35,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:20:35,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:20:36,546 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 8 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:20:36,546 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:20:36,546 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990718810] [2021-07-14 06:20:36,546 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990718810] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:20:36,546 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2088094778] [2021-07-14 06:20:36,546 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:20:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:20:36,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 77 conjunts are in the unsatisfiable core [2021-07-14 06:20:36,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:20:37,275 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 74 [2021-07-14 06:20:37,590 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-07-14 06:20:37,890 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2021-07-14 06:20:38,262 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 89 [2021-07-14 06:20:38,683 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2021-07-14 06:20:39,189 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 99 [2021-07-14 06:20:39,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:39,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:39,258 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:39,263 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:39,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 41 [2021-07-14 06:20:39,275 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:39,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:39,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:39,281 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:39,281 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 59 treesize of output 43 [2021-07-14 06:20:39,283 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:39,399 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-07-14 06:20:39,399 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:20:39,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:39,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:39,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:39,406 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:39,408 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:39,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 49 [2021-07-14 06:20:39,423 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:39,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:39,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:39,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:39,429 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:39,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 41 [2021-07-14 06:20:39,432 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:39,507 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:20:39,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:39,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:39,513 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:39,514 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:39,527 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 69 treesize of output 51 [2021-07-14 06:20:39,530 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2021-07-14 06:20:39,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:39,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:20:39,535 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:39,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 49 [2021-07-14 06:20:39,537 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:39,589 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:20:39,595 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 6 dim-0 vars, and 6 xjuncts. [2021-07-14 06:20:39,595 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:424, output treesize:146 [2021-07-14 06:20:41,118 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 21=[array_0]} [2021-07-14 06:20:41,123 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:41,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-07-14 06:20:41,124 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:41,129 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:41,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:20:41,130 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:41,135 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:41,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-14 06:20:41,136 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:41,141 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:41,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-14 06:20:41,142 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:41,147 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:41,147 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 18 treesize of output 14 [2021-07-14 06:20:41,152 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:41,161 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:41,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:20:41,162 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:41,167 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:41,167 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 26 treesize of output 20 [2021-07-14 06:20:41,168 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:41,173 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:41,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 06:20:41,174 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:41,179 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:41,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-07-14 06:20:41,180 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:41,185 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:41,185 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 26 treesize of output 20 [2021-07-14 06:20:41,186 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:41,191 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:41,192 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 15 treesize of output 11 [2021-07-14 06:20:41,192 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:41,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:20:41,197 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:41,351 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2021-07-14 06:20:41,352 INFO L628 ElimStorePlain]: treesize reduction 122, result has 52.0 percent of original size [2021-07-14 06:20:41,356 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:41,359 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:41,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-07-14 06:20:41,363 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:41,367 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:41,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-07-14 06:20:41,368 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:41,427 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:20:41,430 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-07-14 06:20:41,430 INFO L247 ElimStorePlain]: Needed 15 recursive calls to eliminate 8 variables, input treesize:405, output treesize:58 [2021-07-14 06:20:41,581 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:20:41,582 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2088094778] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:20:41,582 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:20:41,582 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 48 [2021-07-14 06:20:41,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495989441] [2021-07-14 06:20:41,582 INFO L462 AbstractCegarLoop]: Interpolant automaton has 48 states [2021-07-14 06:20:41,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:20:41,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-07-14 06:20:41,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=2120, Unknown=0, NotChecked=0, Total=2256 [2021-07-14 06:20:41,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:20:41,583 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:20:41,583 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 48 states, 48 states have (on average 1.2916666666666667) internal successors, (62), 48 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:20:41,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:20:41,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:20:41,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:20:41,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:20:41,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:20:41,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:20:41,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:20:41,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:20:41,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:20:41,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:20:41,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:20:41,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:20:41,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:20:41,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:20:41,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:20:41,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:20:41,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:20:41,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:20:41,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:20:41,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:20:41,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:20:41,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:20:41,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:20:41,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:20:41,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:20:41,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:20:41,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:20:41,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:20:41,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-14 06:20:41,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:20:41,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:20:41,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:20:41,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:20:41,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:20:41,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-07-14 06:20:41,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:20:41,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:20:41,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:20:41,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:20:41,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:20:41,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:20:41,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:20:41,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:20:41,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:20:41,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:20:41,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:20:41,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:20:41,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 06:20:41,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:20:46,949 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 54 [2021-07-14 06:20:47,383 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 59 [2021-07-14 06:20:47,685 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 64 [2021-07-14 06:20:48,002 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 69 [2021-07-14 06:20:48,353 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 74 [2021-07-14 06:20:48,713 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 79 [2021-07-14 06:20:49,150 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 108 [2021-07-14 06:20:49,557 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 113 [2021-07-14 06:20:49,890 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2021-07-14 06:20:50,359 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 124 [2021-07-14 06:20:50,810 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 131 [2021-07-14 06:20:51,231 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 126 [2021-07-14 06:20:51,652 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 131 [2021-07-14 06:20:52,096 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 126 [2021-07-14 06:20:52,511 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 126 [2021-07-14 06:20:52,924 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 131 [2021-07-14 06:20:53,329 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 129 [2021-07-14 06:20:53,616 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 104 [2021-07-14 06:20:54,036 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 121 [2021-07-14 06:20:54,349 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 121 [2021-07-14 06:20:54,650 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 121 [2021-07-14 06:20:54,956 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 121 [2021-07-14 06:20:55,268 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 121 [2021-07-14 06:20:55,625 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 121 [2021-07-14 06:20:55,913 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 122 [2021-07-14 06:20:56,462 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 65 [2021-07-14 06:20:56,876 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 87 [2021-07-14 06:20:57,188 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 92 [2021-07-14 06:20:57,521 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 81 [2021-07-14 06:20:57,888 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 86 [2021-07-14 06:20:58,086 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2021-07-14 06:20:58,258 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2021-07-14 06:20:58,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:20:58,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:20:58,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:20:58,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:20:58,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:20:58,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:20:58,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:20:58,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:20:58,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:20:58,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:20:58,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:20:58,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:20:58,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:20:58,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:20:58,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:20:58,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:20:58,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:20:58,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:20:58,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:20:58,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:20:58,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:20:58,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:20:58,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:20:58,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:20:58,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:20:58,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:20:58,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:20:58,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:20:58,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-14 06:20:58,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:20:58,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:20:58,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:20:58,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:20:58,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:20:58,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-07-14 06:20:58,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:20:58,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:20:58,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:20:58,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:20:58,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:20:58,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:20:58,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:20:58,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:20:58,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:20:58,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:20:58,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:20:58,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:20:58,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 06:20:58,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 06:20:58,646 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable869 [2021-07-14 06:20:58,646 INFO L430 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:20:58,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:20:58,650 INFO L82 PathProgramCache]: Analyzing trace with hash 249881846, now seen corresponding path program 44 times [2021-07-14 06:20:58,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:20:58,651 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014625234] [2021-07-14 06:20:58,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:20:58,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:20:59,033 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:20:59,033 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:20:59,033 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014625234] [2021-07-14 06:20:59,033 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014625234] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:20:59,034 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [50989695] [2021-07-14 06:20:59,034 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:20:59,078 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 06:20:59,078 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:20:59,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-14 06:20:59,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:20:59,418 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:59,419 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:59,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:20:59,420 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:59,422 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:59,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:20:59,423 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:59,443 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:20:59,444 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-07-14 06:20:59,444 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:59, output treesize:45 [2021-07-14 06:20:59,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-14 06:20:59,849 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:59,851 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:59,852 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:59,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:20:59,853 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:59,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 06:20:59,855 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:59,857 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:20:59,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 06:20:59,858 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:20:59,881 INFO L628 ElimStorePlain]: treesize reduction 30, result has 38.8 percent of original size [2021-07-14 06:20:59,881 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 06:20:59,882 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:20:59,882 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:87, output treesize:13 [2021-07-14 06:20:59,920 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 7 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:20:59,921 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [50989695] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:20:59,921 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:20:59,921 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 43 [2021-07-14 06:20:59,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216740904] [2021-07-14 06:20:59,921 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-07-14 06:20:59,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:20:59,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-07-14 06:20:59,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=1683, Unknown=0, NotChecked=0, Total=1806 [2021-07-14 06:20:59,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:20:59,922 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:20:59,922 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 1.372093023255814) internal successors, (59), 43 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) [2021-07-14 06:20:59,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:20:59,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:20:59,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:20:59,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:20:59,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:20:59,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:20:59,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:20:59,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:20:59,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:20:59,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:20:59,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:20:59,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:20:59,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:20:59,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:20:59,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:20:59,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:20:59,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:20:59,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:20:59,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:20:59,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:20:59,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:20:59,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:20:59,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:20:59,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:20:59,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:20:59,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:20:59,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:20:59,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:20:59,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-14 06:20:59,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:20:59,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:20:59,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:20:59,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:20:59,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:20:59,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-07-14 06:20:59,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:20:59,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:20:59,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:20:59,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:20:59,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:20:59,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:20:59,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:20:59,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:20:59,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:20:59,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:20:59,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:20:59,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:20:59,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 06:20:59,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 06:20:59,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:21:06,872 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2021-07-14 06:21:07,090 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 69 [2021-07-14 06:21:07,310 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 83 [2021-07-14 06:21:07,552 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 91 [2021-07-14 06:21:07,794 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2021-07-14 06:21:08,058 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2021-07-14 06:21:08,314 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2021-07-14 06:21:08,678 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2021-07-14 06:21:08,971 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2021-07-14 06:21:09,286 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 89 [2021-07-14 06:21:10,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:21:10,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:21:10,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:21:10,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:21:10,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:21:10,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:21:10,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:21:10,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:21:10,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:21:10,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:21:10,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:21:10,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:21:10,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:21:10,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:21:10,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:21:10,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:21:10,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:21:10,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:21:10,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:21:10,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:21:10,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:21:10,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:21:10,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:21:10,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:21:10,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:21:10,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:21:10,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:21:10,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:21:10,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-14 06:21:10,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:21:10,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:21:10,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:21:10,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:21:10,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:21:10,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-07-14 06:21:10,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:21:10,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:21:10,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:21:10,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:21:10,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:21:10,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:21:10,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:21:10,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:21:10,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:21:10,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:21:10,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:21:10,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:21:10,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 06:21:10,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 06:21:10,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-07-14 06:21:10,255 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable925,51 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:21:10,255 INFO L430 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:21:10,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:21:10,255 INFO L82 PathProgramCache]: Analyzing trace with hash 1918938600, now seen corresponding path program 45 times [2021-07-14 06:21:10,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:21:10,255 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699080970] [2021-07-14 06:21:10,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:21:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:21:10,563 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 6 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:21:10,563 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:21:10,563 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699080970] [2021-07-14 06:21:10,564 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699080970] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:21:10,564 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305760393] [2021-07-14 06:21:10,564 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:21:10,614 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-14 06:21:10,614 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:21:10,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 61 conjunts are in the unsatisfiable core [2021-07-14 06:21:10,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:21:11,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:11,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:11,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:11,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:11,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:11,026 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:11,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:11,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 33 [2021-07-14 06:21:11,034 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:11,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:11,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:11,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:11,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:11,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:11,038 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:11,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 41 [2021-07-14 06:21:11,040 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:11,060 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:21:11,061 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-07-14 06:21:11,062 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:141, output treesize:63 [2021-07-14 06:21:11,595 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 6=[array_0]} [2021-07-14 06:21:11,601 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:11,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-07-14 06:21:11,602 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:11,604 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:11,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:21:11,605 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:11,608 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:11,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:21:11,608 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:11,611 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:11,611 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 25 treesize of output 19 [2021-07-14 06:21:11,612 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:11,614 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:11,615 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 15 treesize of output 11 [2021-07-14 06:21:11,615 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:11,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:21:11,618 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:11,671 INFO L628 ElimStorePlain]: treesize reduction 98, result has 35.1 percent of original size [2021-07-14 06:21:11,671 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-07-14 06:21:11,672 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 06:21:11,672 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:211, output treesize:35 [2021-07-14 06:21:11,758 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 06:21:11,758 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [305760393] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:21:11,758 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:21:11,758 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 39 [2021-07-14 06:21:11,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856008169] [2021-07-14 06:21:11,759 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-07-14 06:21:11,759 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:21:11,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-07-14 06:21:11,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1385, Unknown=0, NotChecked=0, Total=1482 [2021-07-14 06:21:11,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:21:11,759 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:21:11,759 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 1.435897435897436) internal successors, (56), 39 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:21:11,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:21:11,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:21:11,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:21:11,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:21:11,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:21:11,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:21:11,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:21:11,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:21:11,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:21:11,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:21:11,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:21:11,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:21:11,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:21:11,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:21:11,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:21:11,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:21:11,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:21:11,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:21:11,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:21:11,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:21:11,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:21:11,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:21:11,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:21:11,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:21:11,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:21:11,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:21:11,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:21:11,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:21:11,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-14 06:21:11,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:21:11,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:21:11,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:21:11,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:21:11,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:21:11,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-07-14 06:21:11,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:21:11,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:21:11,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:21:11,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:21:11,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:21:11,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:21:11,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:21:11,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:21:11,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:21:11,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:21:11,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:21:11,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:21:11,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 06:21:11,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 06:21:11,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-07-14 06:21:11,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:21:19,788 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 62 [2021-07-14 06:21:20,567 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 63 [2021-07-14 06:21:21,168 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 63 [2021-07-14 06:21:22,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:21:22,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:21:22,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:21:22,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:21:22,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:21:22,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:21:22,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:21:22,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:21:22,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:21:22,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:21:22,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:21:22,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:21:22,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:21:22,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:21:22,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:21:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:21:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:21:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:21:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:21:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:21:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:21:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:21:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:21:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:21:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:21:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:21:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:21:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:21:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-14 06:21:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:21:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:21:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:21:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:21:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:21:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-14 06:21:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:21:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:21:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:21:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:21:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:21:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:21:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:21:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:21:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:21:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:21:22,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:21:22,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:21:22,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 06:21:22,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2021-07-14 06:21:22,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-07-14 06:21:22,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 06:21:22,268 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable934 [2021-07-14 06:21:22,268 INFO L430 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:21:22,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:21:22,268 INFO L82 PathProgramCache]: Analyzing trace with hash -1840917036, now seen corresponding path program 46 times [2021-07-14 06:21:22,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:21:22,268 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903969068] [2021-07-14 06:21:22,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:21:22,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:21:22,674 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:21:22,675 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:21:22,675 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903969068] [2021-07-14 06:21:22,675 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903969068] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:21:22,675 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [783665810] [2021-07-14 06:21:22,675 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:21:22,723 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 06:21:22,723 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:21:22,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 56 conjunts are in the unsatisfiable core [2021-07-14 06:21:22,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:21:22,828 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:22,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:21:22,829 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:22,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:21:22,830 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:22,838 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:21:22,839 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:21:22,839 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 06:21:23,069 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:23,070 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 16 treesize of output 12 [2021-07-14 06:21:23,070 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:23,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:21:23,072 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:23,085 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 06:21:23,085 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 06:21:23,085 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 06:21:23,085 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 06:21:23,115 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:21:23,115 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [783665810] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:21:23,115 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:21:23,115 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 38 [2021-07-14 06:21:23,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577751869] [2021-07-14 06:21:23,115 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-07-14 06:21:23,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:21:23,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-07-14 06:21:23,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1309, Unknown=0, NotChecked=0, Total=1406 [2021-07-14 06:21:23,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:21:23,116 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:21:23,116 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 1.3421052631578947) internal successors, (51), 38 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:21:23,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:21:23,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:21:23,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:21:23,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:21:23,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:21:23,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:21:23,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:21:23,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:21:23,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:21:23,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:21:23,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:21:23,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:21:23,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:21:23,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:21:23,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:21:23,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:21:23,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:21:23,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:21:23,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:21:23,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:21:23,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:21:23,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:21:23,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:21:23,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:21:23,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:21:23,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:21:23,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:21:23,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:21:23,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-14 06:21:23,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:21:23,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:21:23,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:21:23,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:21:23,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:21:23,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-14 06:21:23,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:21:23,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:21:23,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:21:23,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:21:23,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:21:23,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:21:23,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:21:23,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:21:23,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:21:23,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:21:23,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:21:23,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:21:23,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 06:21:23,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2021-07-14 06:21:23,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-07-14 06:21:23,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 06:21:23,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:21:24,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:21:24,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:21:24,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:21:24,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:21:24,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:21:24,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:21:24,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:21:24,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:21:24,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:21:24,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:21:24,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:21:24,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:21:24,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:21:24,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:21:24,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:21:24,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:21:24,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:21:24,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:21:24,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:21:24,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:21:24,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:21:24,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:21:24,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:21:24,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:21:24,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:21:24,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:21:24,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:21:24,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:21:24,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-14 06:21:24,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:21:24,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:21:24,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:21:24,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:21:24,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:21:24,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-14 06:21:24,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:21:24,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:21:24,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:21:24,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:21:24,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:21:24,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:21:24,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:21:24,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:21:24,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:21:24,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:21:24,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:21:24,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:21:24,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 06:21:24,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2021-07-14 06:21:24,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-07-14 06:21:24,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 06:21:24,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:21:25,143 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable954 [2021-07-14 06:21:25,144 INFO L430 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:21:25,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:21:25,144 INFO L82 PathProgramCache]: Analyzing trace with hash -1233193084, now seen corresponding path program 47 times [2021-07-14 06:21:25,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:21:25,144 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160505231] [2021-07-14 06:21:25,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:21:25,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:21:26,551 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:21:26,552 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:21:26,552 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160505231] [2021-07-14 06:21:26,552 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160505231] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:21:26,552 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1586587722] [2021-07-14 06:21:26,552 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:21:26,611 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-14 06:21:26,611 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:21:26,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 107 conjunts are in the unsatisfiable core [2021-07-14 06:21:26,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:21:28,393 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 221 [2021-07-14 06:21:29,786 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 155 DAG size of output: 152 [2021-07-14 06:21:30,608 WARN L205 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 156 [2021-07-14 06:21:31,551 WARN L205 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2021-07-14 06:21:32,721 WARN L205 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2021-07-14 06:21:33,995 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 171 DAG size of output: 168 [2021-07-14 06:21:35,462 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 282 DAG size of output: 245 [2021-07-14 06:21:35,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,585 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:35,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,592 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:35,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,596 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:35,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,604 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:35,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,609 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:35,609 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:35,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,612 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:35,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,614 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:35,618 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:35,629 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:35,638 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:35,651 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:35,660 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:35,660 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:35,664 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:35,666 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:35,667 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 151 treesize of output 103 [2021-07-14 06:21:35,668 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:35,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,681 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:35,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,687 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:35,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,692 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:35,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,701 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:35,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,706 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:35,706 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:35,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,710 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:35,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,711 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:35,712 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 141 treesize of output 95 [2021-07-14 06:21:35,713 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:35,983 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2021-07-14 06:21:35,983 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:21:35,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:35,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,003 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,013 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,018 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,024 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,031 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,035 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,035 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,047 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,059 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,064 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,072 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,079 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,081 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,084 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,085 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,085 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 153 treesize of output 105 [2021-07-14 06:21:36,087 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:36,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,103 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,112 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,116 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,121 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,125 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,127 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,129 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,130 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,131 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 151 treesize of output 103 [2021-07-14 06:21:36,132 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:36,350 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2021-07-14 06:21:36,351 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:21:36,357 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,371 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,375 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,379 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,382 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,385 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,388 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,408 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,415 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,420 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,424 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,429 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,432 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,433 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,437 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 141 treesize of output 95 [2021-07-14 06:21:36,439 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:36,445 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,458 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,462 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,466 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,469 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,472 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,475 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:21:36,476 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:36,477 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 151 treesize of output 103 [2021-07-14 06:21:36,478 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:36,646 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2021-07-14 06:21:36,646 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:21:36,656 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 6 dim-0 vars, and 6 xjuncts. [2021-07-14 06:21:36,657 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:936, output treesize:532 [2021-07-14 06:21:37,167 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 186 [2021-07-14 06:21:38,078 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2021-07-14 06:21:38,809 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-07-14 06:21:39,242 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-07-14 06:21:39,682 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-07-14 06:21:40,176 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-07-14 06:21:40,646 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-07-14 06:21:41,090 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-07-14 06:21:41,548 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-07-14 06:21:41,748 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_291, v_prenex_293, array_4, v_prenex_285, v_prenex_287, v_prenex_289], 36=[v_prenex_290, v_prenex_292, array_0, v_prenex_284, v_prenex_286, v_prenex_288]} [2021-07-14 06:21:41,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 60 [2021-07-14 06:21:41,780 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:41,788 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 06:21:41,789 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:42,243 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 240 [2021-07-14 06:21:42,244 INFO L628 ElimStorePlain]: treesize reduction 293, result has 69.4 percent of original size [2021-07-14 06:21:42,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 65 [2021-07-14 06:21:42,275 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:42,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 63 [2021-07-14 06:21:42,284 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:42,425 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-07-14 06:21:42,425 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:21:42,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 70 [2021-07-14 06:21:42,453 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:42,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 72 [2021-07-14 06:21:42,463 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:42,565 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2021-07-14 06:21:42,566 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:21:42,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 55 [2021-07-14 06:21:42,575 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:42,665 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:21:42,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 70 [2021-07-14 06:21:42,673 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2021-07-14 06:21:42,753 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:21:42,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 70 [2021-07-14 06:21:42,761 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2021-07-14 06:21:42,834 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:21:42,834 INFO L518 ElimStorePlain]: Eliminatee v_prenex_290 vanished before elimination [2021-07-14 06:21:42,840 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:42,840 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:42,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-07-14 06:21:42,841 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:42,846 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:42,846 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 12 treesize of output 5 [2021-07-14 06:21:42,847 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:42,918 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:21:42,923 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:42,923 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:42,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-07-14 06:21:42,924 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:42,928 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:42,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-07-14 06:21:42,929 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:43,000 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:21:43,001 INFO L518 ElimStorePlain]: Eliminatee v_prenex_284 vanished before elimination [2021-07-14 06:21:43,005 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:43,005 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:43,005 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 21 treesize of output 7 [2021-07-14 06:21:43,006 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:43,010 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:43,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 06:21:43,010 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:43,019 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:21:43,085 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:21:43,090 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:43,090 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:43,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 06:21:43,091 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:43,094 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:21:43,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 06:21:43,095 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-14 06:21:43,102 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:21:43,165 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:21:43,168 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 12 dim-1 vars, End of recursive call: and 10 xjuncts. [2021-07-14 06:21:43,168 INFO L247 ElimStorePlain]: Needed 18 recursive calls to eliminate 18 variables, input treesize:1119, output treesize:73 [2021-07-14 06:21:43,312 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:21:43,312 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1586587722] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:21:43,313 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:21:43,313 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 30] total 58 [2021-07-14 06:21:43,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062701739] [2021-07-14 06:21:43,313 INFO L462 AbstractCegarLoop]: Interpolant automaton has 58 states [2021-07-14 06:21:43,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:21:43,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-07-14 06:21:43,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=3175, Unknown=0, NotChecked=0, Total=3306 [2021-07-14 06:21:43,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:21:43,314 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:21:43,314 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 58 states, 58 states have (on average 1.2413793103448276) internal successors, (72), 58 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:21:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:21:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:21:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:21:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:21:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:21:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:21:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:21:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:21:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:21:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:21:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:21:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:21:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:21:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:21:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:21:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:21:43,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:21:43,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:21:43,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:21:43,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:21:43,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:21:43,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:21:43,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:21:43,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:21:43,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:21:43,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:21:43,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:21:43,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:21:43,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-14 06:21:43,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:21:43,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:21:43,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:21:43,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:21:43,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:21:43,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-14 06:21:43,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:21:43,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:21:43,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:21:43,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:21:43,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:21:43,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:21:43,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:21:43,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:21:43,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:21:43,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:21:43,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:21:43,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:21:43,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 06:21:43,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2021-07-14 06:21:43,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-07-14 06:21:43,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 06:21:43,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:21:43,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:21:48,420 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2021-07-14 06:21:49,473 WARN L205 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 166 [2021-07-14 06:21:50,556 WARN L205 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 214 [2021-07-14 06:21:51,668 WARN L205 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 218 [2021-07-14 06:21:53,102 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 231 DAG size of output: 222 [2021-07-14 06:21:54,497 WARN L205 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 225 [2021-07-14 06:21:55,778 WARN L205 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 230 [2021-07-14 06:21:57,125 WARN L205 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 234 [2021-07-14 06:21:58,631 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 320 DAG size of output: 238 [2021-07-14 06:21:59,476 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 261 [2021-07-14 06:22:01,085 WARN L205 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 279 [2021-07-14 06:22:01,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:22:01,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:22:01,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:22:01,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:22:01,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:22:01,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:22:01,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:22:01,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:22:01,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:22:01,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:22:01,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:22:01,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:22:01,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:22:01,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:22:01,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:22:01,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:22:01,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:22:01,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:22:01,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:22:01,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:22:01,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:22:01,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:22:01,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:22:01,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:22:01,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:22:01,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:22:01,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:22:01,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:22:01,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-14 06:22:01,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:22:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:22:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:22:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:22:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:22:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-14 06:22:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:22:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:22:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:22:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:22:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:22:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:22:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:22:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:22:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:22:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:22:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:22:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:22:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 06:22:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2021-07-14 06:22:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-07-14 06:22:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 06:22:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:22:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:22:01,456 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable957 [2021-07-14 06:22:01,456 INFO L430 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:22:01,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:22:01,456 INFO L82 PathProgramCache]: Analyzing trace with hash 2137724806, now seen corresponding path program 48 times [2021-07-14 06:22:01,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:22:01,457 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464950817] [2021-07-14 06:22:01,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:22:01,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:22:02,201 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:22:02,201 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:22:02,202 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464950817] [2021-07-14 06:22:02,202 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464950817] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:22:02,202 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [955817654] [2021-07-14 06:22:02,202 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:22:02,255 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-14 06:22:02,255 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:22:02,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 85 conjunts are in the unsatisfiable core [2021-07-14 06:22:02,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:22:05,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,113 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:22:05,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,135 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:22:05,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 68 [2021-07-14 06:22:05,143 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:22:05,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,169 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:22:05,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,195 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:22:05,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 60 [2021-07-14 06:22:05,198 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:22:05,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,223 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:22:05,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,247 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:22:05,248 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 93 treesize of output 61 [2021-07-14 06:22:05,250 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:22:05,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,277 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:22:05,301 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:22:05,302 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 93 treesize of output 61 [2021-07-14 06:22:05,305 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:22:05,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,330 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:22:05,355 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:22:05,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 60 [2021-07-14 06:22:05,358 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:22:05,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,377 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:22:05,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:05,381 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 103 treesize of output 69 [2021-07-14 06:22:05,384 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:22:05,499 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2021-07-14 06:22:05,499 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.5 percent of original size [2021-07-14 06:22:05,503 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. [2021-07-14 06:22:05,504 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:655, output treesize:125 [2021-07-14 06:22:06,616 INFO L446 ElimStorePlain]: Different costs {0=[array_4], 1=[array_0]} [2021-07-14 06:22:06,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-07-14 06:22:06,619 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 06:22:06,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-14 06:22:06,622 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:22:06,653 INFO L628 ElimStorePlain]: treesize reduction 41, result has 43.1 percent of original size [2021-07-14 06:22:06,655 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:22:06,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 06:22:06,656 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:22:06,663 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:22:06,663 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:22:06,664 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:68, output treesize:11 [2021-07-14 06:22:06,731 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:22:06,731 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [955817654] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:22:06,731 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:22:06,731 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 59 [2021-07-14 06:22:06,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313419707] [2021-07-14 06:22:06,732 INFO L462 AbstractCegarLoop]: Interpolant automaton has 59 states [2021-07-14 06:22:06,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:22:06,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2021-07-14 06:22:06,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=3248, Unknown=0, NotChecked=0, Total=3422 [2021-07-14 06:22:06,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:22:06,733 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:22:06,733 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 59 states, 59 states have (on average 1.2542372881355932) internal successors, (74), 59 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:22:06,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:22:06,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:22:06,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:22:06,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:22:06,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:22:06,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:22:06,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:22:06,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:22:06,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:22:06,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:22:06,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:22:06,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:22:06,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:22:06,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:22:06,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:22:06,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:22:06,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:22:06,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:22:06,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:22:06,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:22:06,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:22:06,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:22:06,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:22:06,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:22:06,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:22:06,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:22:06,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:22:06,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:22:06,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-14 06:22:06,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:22:06,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:22:06,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:22:06,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:22:06,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:22:06,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-14 06:22:06,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:22:06,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:22:06,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:22:06,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:22:06,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:22:06,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:22:06,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:22:06,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:22:06,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:22:06,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:22:06,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:22:06,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:22:06,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 06:22:06,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2021-07-14 06:22:06,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-07-14 06:22:06,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 06:22:06,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:22:06,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:22:06,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:22:13,401 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2021-07-14 06:22:13,834 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 148 [2021-07-14 06:22:14,222 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 112 [2021-07-14 06:22:14,671 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 112 [2021-07-14 06:22:15,107 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 148 [2021-07-14 06:22:15,519 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 148 [2021-07-14 06:22:15,932 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 148 [2021-07-14 06:22:16,350 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 148 [2021-07-14 06:22:16,780 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 148 [2021-07-14 06:22:17,272 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 103 [2021-07-14 06:22:17,708 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 96 [2021-07-14 06:22:18,217 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 99 [2021-07-14 06:22:18,806 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 100 [2021-07-14 06:22:19,274 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 100 [2021-07-14 06:22:19,747 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 100 [2021-07-14 06:22:20,208 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 100 [2021-07-14 06:22:20,727 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 100 [2021-07-14 06:22:21,127 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 100 [2021-07-14 06:22:21,560 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 100 [2021-07-14 06:22:22,003 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 101 [2021-07-14 06:22:22,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:22:22,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:22:22,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:22:22,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:22:22,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:22:22,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:22:22,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:22:22,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:22:22,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:22:22,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:22:22,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:22:22,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:22:22,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:22:22,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:22:22,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:22:22,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:22:22,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:22:22,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:22:22,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:22:22,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:22:22,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:22:22,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:22:22,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:22:22,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:22:22,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:22:22,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:22:22,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:22:22,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:22:22,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-14 06:22:22,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:22:22,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:22:22,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:22:22,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:22:22,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:22:22,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-14 06:22:22,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:22:22,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:22:22,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:22:22,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:22:22,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:22:22,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:22:22,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:22:22,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:22:22,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:22:22,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:22:22,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:22:22,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:22:22,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 06:22:22,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2021-07-14 06:22:22,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-07-14 06:22:22,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 06:22:22,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:22:22,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:22:22,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:22:22,349 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1045 [2021-07-14 06:22:22,349 INFO L430 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:22:22,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:22:22,349 INFO L82 PathProgramCache]: Analyzing trace with hash 1845619730, now seen corresponding path program 49 times [2021-07-14 06:22:22,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:22:22,350 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397787515] [2021-07-14 06:22:22,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:22:22,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:22:23,210 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 9 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:22:23,210 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:22:23,210 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397787515] [2021-07-14 06:22:23,210 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397787515] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:22:23,210 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [820430941] [2021-07-14 06:22:23,210 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:22:23,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:22:23,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 62 conjunts are in the unsatisfiable core [2021-07-14 06:22:23,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:22:23,971 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:22:23,971 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 [2021-07-14 06:22:23,972 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:22:23,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 06:22:23,975 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:22:23,977 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 8 treesize of output 6 [2021-07-14 06:22:23,978 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:22:23,981 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:22:23,981 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 17 treesize of output 13 [2021-07-14 06:22:23,982 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:22:23,984 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 7 treesize of output 5 [2021-07-14 06:22:23,985 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:22:23,987 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 06:22:23,987 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:22:24,016 INFO L628 ElimStorePlain]: treesize reduction 14, result has 69.6 percent of original size [2021-07-14 06:22:24,017 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 06:22:24,017 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-07-14 06:22:24,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 06:22:24,525 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:22:24,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-14 06:22:24,528 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:22:24,530 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:22:24,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:22:24,532 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:22:24,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 06:22:24,535 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:22:24,552 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-07-14 06:22:24,552 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 06:22:24,552 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:22:24,553 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-14 06:22:24,607 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 9 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:22:24,607 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [820430941] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:22:24,607 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:22:24,607 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 31] total 61 [2021-07-14 06:22:24,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140877207] [2021-07-14 06:22:24,607 INFO L462 AbstractCegarLoop]: Interpolant automaton has 61 states [2021-07-14 06:22:24,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:22:24,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2021-07-14 06:22:24,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=3507, Unknown=0, NotChecked=0, Total=3660 [2021-07-14 06:22:24,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:22:24,609 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:22:24,609 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 61 states, 61 states have (on average 1.278688524590164) internal successors, (78), 61 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:22:24,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:22:24,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:22:24,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:22:24,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:22:24,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:22:24,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:22:24,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:22:24,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:22:24,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:22:24,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:22:24,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:22:24,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:22:24,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:22:24,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:22:24,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:22:24,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:22:24,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:22:24,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:22:24,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:22:24,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:22:24,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:22:24,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:22:24,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:22:24,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:22:24,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:22:24,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:22:24,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:22:24,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:22:24,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-14 06:22:24,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:22:24,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:22:24,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:22:24,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:22:24,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:22:24,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-14 06:22:24,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:22:24,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:22:24,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:22:24,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:22:24,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:22:24,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:22:24,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:22:24,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:22:24,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:22:24,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:22:24,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:22:24,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:22:24,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 06:22:24,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2021-07-14 06:22:24,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-07-14 06:22:24,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 06:22:24,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:22:24,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 06:22:24,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:22:24,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:22:33,115 WARN L205 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 306 [2021-07-14 06:22:34,656 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 319 DAG size of output: 306 [2021-07-14 06:22:36,065 WARN L205 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 306 [2021-07-14 06:22:37,494 WARN L205 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 306 [2021-07-14 06:22:38,810 WARN L205 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 306 [2021-07-14 06:22:40,288 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 319 DAG size of output: 306 [2021-07-14 06:22:41,795 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 319 DAG size of output: 306 [2021-07-14 06:22:42,772 WARN L205 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 270 [2021-07-14 06:22:43,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:22:43,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:22:43,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:22:43,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:22:43,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:22:43,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:22:43,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:22:43,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:22:43,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:22:43,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:22:43,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:22:43,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:22:43,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:22:43,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:22:43,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:22:43,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:22:43,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:22:43,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:22:43,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:22:43,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:22:43,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:22:43,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:22:43,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:22:43,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:22:43,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:22:43,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:22:43,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:22:43,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:22:43,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-14 06:22:43,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:22:43,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:22:43,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:22:43,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:22:43,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:22:43,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-14 06:22:43,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:22:43,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:22:43,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:22:43,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:22:43,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:22:43,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:22:43,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:22:43,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:22:43,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:22:43,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:22:43,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:22:43,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:22:43,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 06:22:43,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2021-07-14 06:22:43,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-07-14 06:22:43,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 06:22:43,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:22:43,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 06:22:43,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:22:43,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 06:22:43,264 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1072,56 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:22:43,265 INFO L430 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:22:43,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:22:43,265 INFO L82 PathProgramCache]: Analyzing trace with hash 426380244, now seen corresponding path program 50 times [2021-07-14 06:22:43,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:22:43,265 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677541616] [2021-07-14 06:22:43,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:22:43,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:22:44,159 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:22:44,159 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:22:44,160 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677541616] [2021-07-14 06:22:44,160 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677541616] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:22:44,160 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [452781353] [2021-07-14 06:22:44,160 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:22:44,208 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 06:22:44,208 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:22:44,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 86 conjunts are in the unsatisfiable core [2021-07-14 06:22:44,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:22:44,746 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-07-14 06:22:45,005 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-07-14 06:22:45,330 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 84 [2021-07-14 06:22:45,729 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 89 [2021-07-14 06:22:46,188 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 94 [2021-07-14 06:22:46,711 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2021-07-14 06:22:47,301 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2021-07-14 06:22:47,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:47,374 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:22:47,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:47,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:47,384 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:22:47,397 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 64 treesize of output 46 [2021-07-14 06:22:47,400 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:22:47,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:47,407 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:22:47,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:47,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:47,409 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 66 treesize of output 48 [2021-07-14 06:22:47,413 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:22:47,544 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-07-14 06:22:47,545 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:22:47,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:47,551 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:22:47,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:47,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:47,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:47,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:47,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:47,561 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:22:47,574 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 64 treesize of output 46 [2021-07-14 06:22:47,577 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:22:47,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:47,582 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:22:47,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:47,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:47,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:47,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:47,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:47,586 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 74 treesize of output 54 [2021-07-14 06:22:47,588 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:22:47,685 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:22:47,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:47,691 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:22:47,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:47,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:47,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:47,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:47,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:47,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:47,701 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:22:47,798 INFO L244 Elim1Store]: Index analysis took 108 ms [2021-07-14 06:22:47,799 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 76 treesize of output 56 [2021-07-14 06:22:47,802 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2021-07-14 06:22:47,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:47,807 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:22:47,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:47,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:47,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:47,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:47,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:47,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:22:47,812 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 74 treesize of output 54 [2021-07-14 06:22:47,814 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:22:47,877 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:22:47,883 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 6 dim-0 vars, and 6 xjuncts. [2021-07-14 06:22:47,883 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:466, output treesize:146 [2021-07-14 06:22:49,716 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 21=[array_0]} [2021-07-14 06:22:49,722 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:22:49,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-07-14 06:22:49,723 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:22:49,729 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:22:49,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:22:49,730 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:22:49,735 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:22:49,735 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 19 treesize of output 15 [2021-07-14 06:22:49,736 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:22:49,741 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:22:49,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-07-14 06:22:49,742 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:22:49,748 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:22:49,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-14 06:22:49,749 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:22:49,755 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:22:49,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-07-14 06:22:49,757 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:22:49,763 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:22:49,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-07-14 06:22:49,764 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 06:22:49,771 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:22:49,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:22:49,772 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 06:22:49,778 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:22:49,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:22:49,779 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 06:22:49,784 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:22:49,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:22:49,785 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 06:22:49,791 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:22:49,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-14 06:22:49,792 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 06:22:49,796 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 26 treesize of output 20 [2021-07-14 06:22:49,797 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 06:22:49,958 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2021-07-14 06:22:49,959 INFO L628 ElimStorePlain]: treesize reduction 122, result has 52.0 percent of original size [2021-07-14 06:22:49,963 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:22:49,964 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:22:49,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-07-14 06:22:49,965 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 06:22:49,968 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:22:49,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-07-14 06:22:49,969 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 06:22:50,027 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:22:50,030 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-07-14 06:22:50,030 INFO L247 ElimStorePlain]: Needed 15 recursive calls to eliminate 8 variables, input treesize:405, output treesize:58 [2021-07-14 06:22:50,200 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:22:50,200 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [452781353] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:22:50,200 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:22:50,200 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 31] total 53 [2021-07-14 06:22:50,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386722638] [2021-07-14 06:22:50,200 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-07-14 06:22:50,200 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:22:50,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-07-14 06:22:50,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=2625, Unknown=0, NotChecked=0, Total=2756 [2021-07-14 06:22:50,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:22:50,201 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:22:50,201 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 1.2641509433962264) internal successors, (67), 53 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:22:50,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:22:50,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:22:50,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:22:50,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:22:50,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:22:50,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:22:50,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:22:50,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:22:50,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:22:50,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:22:50,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:22:50,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:22:50,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:22:50,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:22:50,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:22:50,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:22:50,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:22:50,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:22:50,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:22:50,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:22:50,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:22:50,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:22:50,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:22:50,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:22:50,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:22:50,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:22:50,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:22:50,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:22:50,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-14 06:22:50,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:22:50,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:22:50,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:22:50,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:22:50,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:22:50,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-14 06:22:50,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:22:50,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:22:50,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:22:50,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:22:50,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:22:50,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:22:50,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:22:50,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:22:50,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:22:50,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:22:50,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:22:50,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:22:50,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 06:22:50,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2021-07-14 06:22:50,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-07-14 06:22:50,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 06:22:50,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:22:50,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 06:22:50,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:22:50,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 06:22:50,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:22:51,930 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 126 [2021-07-14 06:22:53,864 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 126 [2021-07-14 06:22:59,204 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 56 [2021-07-14 06:22:59,422 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 55 [2021-07-14 06:22:59,713 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 61 [2021-07-14 06:23:00,068 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 66 [2021-07-14 06:23:00,453 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 71 [2021-07-14 06:23:00,858 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 76 [2021-07-14 06:23:01,354 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 81 [2021-07-14 06:23:01,796 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 86 [2021-07-14 06:23:02,189 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 109 [2021-07-14 06:23:02,629 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2021-07-14 06:23:03,019 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 116 [2021-07-14 06:23:03,594 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 126 [2021-07-14 06:23:04,069 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 128 [2021-07-14 06:23:04,559 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 128 [2021-07-14 06:23:05,044 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 128 [2021-07-14 06:23:05,554 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 132 [2021-07-14 06:23:06,071 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 133 [2021-07-14 06:23:06,584 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 128 [2021-07-14 06:23:07,115 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 133 [2021-07-14 06:23:07,617 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 131 [2021-07-14 06:23:08,576 WARN L205 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 189 [2021-07-14 06:23:09,139 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 122 [2021-07-14 06:23:09,516 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 122 [2021-07-14 06:23:09,899 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 122 [2021-07-14 06:23:10,275 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 122 [2021-07-14 06:23:10,650 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 122 [2021-07-14 06:23:11,024 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 122 [2021-07-14 06:23:11,415 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 122 [2021-07-14 06:23:11,770 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 123 [2021-07-14 06:23:13,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:23:13,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:23:13,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:23:13,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:23:13,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:23:13,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:23:13,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:23:13,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:23:13,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:23:13,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:23:13,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:23:13,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:23:13,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:23:13,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:23:13,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:23:13,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:23:13,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:23:13,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:23:13,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:23:13,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:23:13,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:23:13,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:23:13,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:23:13,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:23:13,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:23:13,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:23:13,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:23:13,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:23:13,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-14 06:23:13,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:23:13,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:23:13,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:23:13,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:23:13,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:23:13,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-14 06:23:13,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:23:13,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:23:13,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:23:13,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:23:13,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:23:13,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:23:13,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:23:13,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:23:13,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:23:13,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:23:13,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:23:13,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:23:13,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 06:23:13,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-07-14 06:23:13,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-07-14 06:23:13,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 06:23:13,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:23:13,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 06:23:13,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:23:13,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 06:23:13,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-07-14 06:23:13,230 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 57 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1080 [2021-07-14 06:23:13,230 INFO L430 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:23:13,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:23:13,231 INFO L82 PathProgramCache]: Analyzing trace with hash -1540514478, now seen corresponding path program 51 times [2021-07-14 06:23:13,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:23:13,231 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977950099] [2021-07-14 06:23:13,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:23:13,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:23:13,748 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:23:13,748 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:23:13,748 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977950099] [2021-07-14 06:23:13,748 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977950099] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:23:13,748 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [90221717] [2021-07-14 06:23:13,748 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:23:13,804 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-14 06:23:13,804 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:23:13,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 76 conjunts are in the unsatisfiable core [2021-07-14 06:23:13,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:23:14,257 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:14,257 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:14,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 06:23:14,258 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:23:14,261 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:14,261 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 15 treesize of output 11 [2021-07-14 06:23:14,261 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:23:14,277 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:23:14,279 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-07-14 06:23:14,279 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:51, output treesize:37 [2021-07-14 06:23:15,213 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-07-14 06:23:15,438 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-07-14 06:23:15,483 INFO L446 ElimStorePlain]: Different costs {28=[array_4], 55=[array_0]} [2021-07-14 06:23:15,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,505 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:15,513 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 [2021-07-14 06:23:15,515 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:23:15,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,540 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:15,548 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 [2021-07-14 06:23:15,551 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:23:15,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,577 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:15,585 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 [2021-07-14 06:23:15,588 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:23:15,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:15,606 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 [2021-07-14 06:23:15,609 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-07-14 06:23:15,698 INFO L628 ElimStorePlain]: treesize reduction 38, result has 72.7 percent of original size [2021-07-14 06:23:15,702 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:15,702 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:15,702 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 9 treesize of output 3 [2021-07-14 06:23:15,703 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:23:15,706 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:15,707 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:15,707 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 21 treesize of output 7 [2021-07-14 06:23:15,708 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:23:15,711 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:15,711 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 11 treesize of output 3 [2021-07-14 06:23:15,712 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 06:23:15,719 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:23:15,755 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:23:15,756 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 06:23:15,756 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 6 variables, input treesize:413, output treesize:55 [2021-07-14 06:23:15,884 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:23:15,884 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [90221717] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:23:15,884 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:23:15,884 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 47 [2021-07-14 06:23:15,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628780177] [2021-07-14 06:23:15,884 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-07-14 06:23:15,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:23:15,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-07-14 06:23:15,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=2033, Unknown=0, NotChecked=0, Total=2162 [2021-07-14 06:23:15,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:23:15,885 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:23:15,885 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 1.3191489361702127) internal successors, (62), 47 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:23:15,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:23:15,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:23:15,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:23:15,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:23:15,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:23:15,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:23:15,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:23:15,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:23:15,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:23:15,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:23:15,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:23:15,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:23:15,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:23:15,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:23:15,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:23:15,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:23:15,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:23:15,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:23:15,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:23:15,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:23:15,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:23:15,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:23:15,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:23:15,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:23:15,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:23:15,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:23:15,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:23:15,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:23:15,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-14 06:23:15,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:23:15,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:23:15,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:23:15,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:23:15,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:23:15,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-14 06:23:15,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:23:15,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:23:15,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:23:15,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:23:15,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:23:15,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:23:15,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:23:15,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:23:15,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:23:15,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:23:15,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:23:15,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:23:15,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 06:23:15,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-07-14 06:23:15,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-07-14 06:23:15,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 06:23:15,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:23:15,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 06:23:15,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:23:15,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 06:23:15,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-07-14 06:23:15,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:23:19,641 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 88 [2021-07-14 06:23:19,980 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 77 [2021-07-14 06:23:20,260 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 68 [2021-07-14 06:23:20,699 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 103 [2021-07-14 06:23:20,995 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 78 [2021-07-14 06:23:21,579 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 61 [2021-07-14 06:23:21,789 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2021-07-14 06:23:22,034 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 82 [2021-07-14 06:23:22,290 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 91 [2021-07-14 06:23:22,553 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2021-07-14 06:23:22,836 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 80 [2021-07-14 06:23:23,051 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 59 [2021-07-14 06:23:23,279 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 68 [2021-07-14 06:23:23,615 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 97 [2021-07-14 06:23:23,971 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 106 [2021-07-14 06:23:24,197 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2021-07-14 06:23:24,448 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 77 [2021-07-14 06:23:28,552 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 66 [2021-07-14 06:23:29,196 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 67 [2021-07-14 06:23:29,749 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 67 [2021-07-14 06:23:30,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:23:30,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:23:30,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:23:30,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:23:30,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:23:30,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:23:30,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:23:30,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:23:30,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:23:30,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:23:30,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:23:30,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:23:30,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:23:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:23:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:23:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:23:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:23:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:23:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:23:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:23:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:23:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:23:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:23:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:23:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:23:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:23:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:23:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:23:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-14 06:23:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:23:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:23:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:23:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:23:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:23:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-14 06:23:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:23:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:23:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:23:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:23:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:23:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:23:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:23:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:23:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:23:30,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:23:30,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:23:30,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:23:30,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 06:23:30,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2021-07-14 06:23:30,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-07-14 06:23:30,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 06:23:30,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:23:30,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 06:23:30,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:23:30,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 06:23:30,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2021-07-14 06:23:30,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 06:23:31,030 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1130,58 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:23:31,031 INFO L430 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:23:31,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:23:31,031 INFO L82 PathProgramCache]: Analyzing trace with hash 1366233384, now seen corresponding path program 52 times [2021-07-14 06:23:31,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:23:31,031 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30981982] [2021-07-14 06:23:31,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:23:31,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:23:31,516 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:23:31,516 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:23:31,516 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30981982] [2021-07-14 06:23:31,516 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30981982] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:23:31,516 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1081581849] [2021-07-14 06:23:31,516 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:23:31,565 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 06:23:31,565 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:23:31,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 62 conjunts are in the unsatisfiable core [2021-07-14 06:23:31,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:23:31,688 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:31,688 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 16 treesize of output 12 [2021-07-14 06:23:31,689 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:23:31,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:23:31,692 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:23:31,705 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:23:31,705 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:23:31,705 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-14 06:23:32,026 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:32,026 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 16 treesize of output 12 [2021-07-14 06:23:32,027 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:23:32,029 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 [2021-07-14 06:23:32,029 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:23:32,044 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-14 06:23:32,044 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 06:23:32,045 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 06:23:32,045 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-14 06:23:32,080 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:23:32,080 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1081581849] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:23:32,081 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:23:32,081 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 42 [2021-07-14 06:23:32,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216029473] [2021-07-14 06:23:32,081 INFO L462 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-07-14 06:23:32,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:23:32,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-07-14 06:23:32,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1614, Unknown=0, NotChecked=0, Total=1722 [2021-07-14 06:23:32,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:23:32,081 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:23:32,082 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 42 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 42 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:23:32,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:23:32,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:23:32,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:23:32,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:23:32,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:23:32,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:23:32,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:23:32,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:23:32,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:23:32,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:23:32,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:23:32,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:23:32,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:23:32,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:23:32,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:23:32,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:23:32,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:23:32,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:23:32,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:23:32,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:23:32,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:23:32,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:23:32,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:23:32,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:23:32,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:23:32,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:23:32,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:23:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:23:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-14 06:23:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:23:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:23:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:23:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:23:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:23:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-14 06:23:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:23:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:23:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:23:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:23:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:23:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:23:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:23:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:23:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:23:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:23:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:23:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:23:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 06:23:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2021-07-14 06:23:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-07-14 06:23:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 06:23:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:23:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 06:23:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:23:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 06:23:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2021-07-14 06:23:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 06:23:32,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:23:35,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:23:35,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:23:35,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:23:35,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:23:35,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:23:35,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:23:35,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:23:35,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:23:35,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:23:35,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:23:35,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:23:35,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:23:35,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:23:35,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:23:35,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:23:35,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:23:35,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:23:35,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:23:35,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:23:35,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:23:35,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:23:35,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:23:35,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:23:35,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:23:35,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:23:35,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:23:35,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:23:35,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:23:35,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-14 06:23:35,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:23:35,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:23:35,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:23:35,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:23:35,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:23:35,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-14 06:23:35,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:23:35,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:23:35,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:23:35,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:23:35,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:23:35,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:23:35,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:23:35,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:23:35,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:23:35,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:23:35,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:23:35,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:23:35,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 06:23:35,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2021-07-14 06:23:35,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-07-14 06:23:35,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 06:23:35,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:23:35,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 06:23:35,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:23:35,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 06:23:35,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2021-07-14 06:23:35,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 06:23:35,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 06:23:35,364 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1154 [2021-07-14 06:23:35,365 INFO L430 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:23:35,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:23:35,365 INFO L82 PathProgramCache]: Analyzing trace with hash -595777872, now seen corresponding path program 53 times [2021-07-14 06:23:35,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:23:35,365 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240720619] [2021-07-14 06:23:35,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:23:35,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:23:36,483 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 27 [2021-07-14 06:23:37,181 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:23:37,181 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:23:37,181 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240720619] [2021-07-14 06:23:37,181 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240720619] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:23:37,181 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [637505862] [2021-07-14 06:23:37,181 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:23:37,241 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-14 06:23:37,242 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:23:37,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 119 conjunts are in the unsatisfiable core [2021-07-14 06:23:37,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:23:40,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,073 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:40,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,094 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:40,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 69 [2021-07-14 06:23:40,119 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:23:40,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,129 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:40,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 67 [2021-07-14 06:23:40,150 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:23:40,228 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:23:40,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,260 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:40,291 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:40,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 75 [2021-07-14 06:23:40,295 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:23:40,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:40,326 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:40,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 77 [2021-07-14 06:23:40,329 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-07-14 06:23:40,365 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:23:40,369 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-07-14 06:23:40,369 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:475, output treesize:111 [2021-07-14 06:23:41,556 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-07-14 06:23:41,988 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-07-14 06:23:42,500 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2021-07-14 06:23:43,018 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-07-14 06:23:43,614 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-07-14 06:23:44,348 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2021-07-14 06:23:45,169 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-07-14 06:23:46,061 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2021-07-14 06:23:46,176 INFO L446 ElimStorePlain]: Different costs {45=[array_4], 171=[array_0]} [2021-07-14 06:23:46,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,218 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:46,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 77 [2021-07-14 06:23:46,241 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:23:46,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,280 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:46,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 75 [2021-07-14 06:23:46,298 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:23:46,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,340 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:46,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 70 [2021-07-14 06:23:46,361 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:23:46,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,402 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:46,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 75 [2021-07-14 06:23:46,423 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:23:46,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,463 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:46,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 83 [2021-07-14 06:23:46,484 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 4 xjuncts. [2021-07-14 06:23:46,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,525 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:46,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 85 [2021-07-14 06:23:46,546 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2021-07-14 06:23:46,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,587 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:46,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 78 [2021-07-14 06:23:46,607 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2021-07-14 06:23:46,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,651 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:46,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 69 [2021-07-14 06:23:46,673 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 06:23:46,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,713 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:46,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 77 [2021-07-14 06:23:46,733 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2021-07-14 06:23:46,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:23:46,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 67 [2021-07-14 06:23:46,767 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 06:23:47,065 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 100 [2021-07-14 06:23:47,066 INFO L628 ElimStorePlain]: treesize reduction 154, result has 70.3 percent of original size [2021-07-14 06:23:47,073 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:47,073 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:47,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-07-14 06:23:47,074 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 06:23:47,080 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:47,081 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:47,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 06:23:47,082 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 06:23:47,087 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:47,088 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:47,088 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 11 treesize of output 3 [2021-07-14 06:23:47,089 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 06:23:47,098 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:23:47,103 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:47,103 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:47,103 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 [2021-07-14 06:23:47,104 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 06:23:47,110 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:47,110 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:47,110 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 44 treesize of output 19 [2021-07-14 06:23:47,111 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 06:23:47,116 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:47,117 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:47,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-07-14 06:23:47,118 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-14 06:23:47,131 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:23:47,136 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:47,136 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:47,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-14 06:23:47,137 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-14 06:23:47,142 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:47,143 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:47,143 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 21 treesize of output 7 [2021-07-14 06:23:47,143 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-14 06:23:47,152 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:23:47,157 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:47,157 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:47,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-07-14 06:23:47,158 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-14 06:23:47,163 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:47,163 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:47,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-07-14 06:23:47,164 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-14 06:23:47,172 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:23:47,177 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:23:47,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-07-14 06:23:47,178 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-14 06:23:47,285 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-07-14 06:23:47,285 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:23:47,289 INFO L550 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-07-14 06:23:47,289 INFO L247 ElimStorePlain]: Needed 22 recursive calls to eliminate 12 variables, input treesize:1299, output treesize:185 [2021-07-14 06:23:47,544 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2021-07-14 06:23:47,686 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:23:47,686 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [637505862] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:23:47,686 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:23:47,686 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 33] total 65 [2021-07-14 06:23:47,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254632907] [2021-07-14 06:23:47,686 INFO L462 AbstractCegarLoop]: Interpolant automaton has 65 states [2021-07-14 06:23:47,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:23:47,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2021-07-14 06:23:47,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=4004, Unknown=0, NotChecked=0, Total=4160 [2021-07-14 06:23:47,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:23:47,687 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:23:47,687 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 65 states, 65 states have (on average 1.2) internal successors, (78), 65 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:23:47,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:23:47,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:23:47,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:23:47,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:23:47,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:23:47,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:23:47,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:23:47,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:23:47,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:23:47,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:23:47,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:23:47,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:23:47,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:23:47,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:23:47,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:23:47,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:23:47,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:23:47,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:23:47,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:23:47,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:23:47,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:23:47,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:23:47,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:23:47,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:23:47,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:23:47,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:23:47,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:23:47,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:23:47,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-14 06:23:47,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:23:47,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:23:47,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:23:47,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:23:47,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:23:47,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-14 06:23:47,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:23:47,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:23:47,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:23:47,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:23:47,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:23:47,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:23:47,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:23:47,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:23:47,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:23:47,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:23:47,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:23:47,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:23:47,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 06:23:47,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2021-07-14 06:23:47,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-07-14 06:23:47,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 06:23:47,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:23:47,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 06:23:47,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:23:47,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 06:23:47,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2021-07-14 06:23:47,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 06:23:47,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 06:23:47,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:23:53,777 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 133 [2021-07-14 06:23:54,150 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 138 [2021-07-14 06:23:54,648 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 138 [2021-07-14 06:23:55,144 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 138 [2021-07-14 06:23:55,650 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 138 [2021-07-14 06:23:56,167 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 138 [2021-07-14 06:23:56,679 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 138 [2021-07-14 06:23:57,198 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 138 [2021-07-14 06:23:57,709 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 138 [2021-07-14 06:23:58,348 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 138 [2021-07-14 06:23:59,387 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 143 [2021-07-14 06:23:59,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:23:59,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:23:59,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:23:59,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:23:59,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:23:59,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:23:59,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:23:59,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:23:59,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:23:59,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:23:59,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:23:59,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:23:59,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:23:59,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:23:59,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:23:59,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:23:59,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:23:59,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:23:59,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:23:59,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:23:59,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:23:59,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:23:59,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:23:59,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:23:59,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:23:59,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:23:59,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:23:59,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:23:59,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-14 06:23:59,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:23:59,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:23:59,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:23:59,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:23:59,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:23:59,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-14 06:23:59,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:23:59,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:23:59,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:23:59,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:23:59,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:23:59,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:23:59,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:23:59,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:23:59,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:23:59,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:23:59,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:23:59,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:23:59,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 06:23:59,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2021-07-14 06:23:59,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-07-14 06:23:59,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 06:23:59,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:23:59,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 06:23:59,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:23:59,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 06:23:59,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2021-07-14 06:23:59,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 06:23:59,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 06:23:59,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:23:59,782 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 60 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1157 [2021-07-14 06:23:59,783 INFO L430 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:23:59,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:23:59,783 INFO L82 PathProgramCache]: Analyzing trace with hash 223489206, now seen corresponding path program 54 times [2021-07-14 06:23:59,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:23:59,783 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143301787] [2021-07-14 06:23:59,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:23:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:24:00,706 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:24:00,706 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:24:00,706 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143301787] [2021-07-14 06:24:00,706 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143301787] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:24:00,706 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [390045924] [2021-07-14 06:24:00,706 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:24:00,767 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-14 06:24:00,767 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 06:24:00,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 95 conjunts are in the unsatisfiable core [2021-07-14 06:24:00,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:24:03,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,488 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:24:03,520 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:24:03,521 INFO L244 Elim1Store]: Index analysis took 171 ms [2021-07-14 06:24:03,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 76 [2021-07-14 06:24:03,525 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:24:03,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,550 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:24:03,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,580 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:24:03,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 68 [2021-07-14 06:24:03,591 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:24:03,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,626 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:24:03,659 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:24:03,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 75 [2021-07-14 06:24:03,664 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:24:03,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,688 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:24:03,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 06:24:03,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 67 [2021-07-14 06:24:03,696 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:24:03,764 INFO L628 ElimStorePlain]: treesize reduction 2, result has 97.8 percent of original size [2021-07-14 06:24:03,767 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. [2021-07-14 06:24:03,767 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:487, output treesize:81 [2021-07-14 06:24:04,658 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:24:04,658 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 17 treesize of output 13 [2021-07-14 06:24:04,659 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:24:04,662 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:24:04,663 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 26 treesize of output 20 [2021-07-14 06:24:04,663 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:24:04,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:24:04,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 [2021-07-14 06:24:04,668 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:24:04,671 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:24:04,672 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 35 treesize of output 27 [2021-07-14 06:24:04,674 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 4 xjuncts. [2021-07-14 06:24:04,678 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:24:04,678 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 25 treesize of output 19 [2021-07-14 06:24:04,679 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:24:04,683 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:24:04,683 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 [2021-07-14 06:24:04,684 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:24:04,688 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:24:04,688 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 24 treesize of output 18 [2021-07-14 06:24:04,689 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 06:24:04,693 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:24:04,694 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 27 treesize of output 21 [2021-07-14 06:24:04,695 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2021-07-14 06:24:04,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 06:24:04,700 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 06:24:04,768 INFO L628 ElimStorePlain]: treesize reduction 287, result has 18.7 percent of original size [2021-07-14 06:24:04,771 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:24:04,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 06:24:04,772 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 06:24:04,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-14 06:24:04,775 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 06:24:04,782 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:24:04,801 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 06:24:04,802 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:24:04,802 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 2 variables, input treesize:328, output treesize:38 [2021-07-14 06:24:04,968 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:24:04,968 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [390045924] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:24:04,969 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:24:04,969 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 34] total 65 [2021-07-14 06:24:04,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060956650] [2021-07-14 06:24:04,969 INFO L462 AbstractCegarLoop]: Interpolant automaton has 65 states [2021-07-14 06:24:04,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:24:04,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2021-07-14 06:24:04,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=3966, Unknown=0, NotChecked=0, Total=4160 [2021-07-14 06:24:04,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:24:04,970 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:24:04,970 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 65 states, 65 states have (on average 1.2153846153846153) internal successors, (79), 65 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:24:04,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:24:04,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:24:04,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:24:04,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:24:04,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:24:04,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:24:04,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:24:04,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:24:04,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:24:04,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:24:04,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:24:04,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:24:04,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:24:04,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:24:04,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:24:04,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:24:04,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:24:04,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:24:04,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:24:04,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:24:04,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:24:04,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:24:04,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:24:04,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:24:04,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:24:04,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:24:04,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:24:04,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:24:04,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-14 06:24:04,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:24:04,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:24:04,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:24:04,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:24:04,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:24:04,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-14 06:24:04,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:24:04,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:24:04,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:24:04,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:24:04,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:24:04,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:24:04,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:24:04,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:24:04,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:24:04,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:24:04,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:24:04,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:24:04,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 06:24:04,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2021-07-14 06:24:04,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-07-14 06:24:04,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 06:24:04,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:24:04,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 06:24:04,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:24:04,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 06:24:04,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2021-07-14 06:24:04,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 06:24:04,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 06:24:04,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:24:04,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:24:08,915 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 109 [2021-07-14 06:24:09,167 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 110 [2021-07-14 06:24:09,430 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 110 [2021-07-14 06:24:09,681 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 110 [2021-07-14 06:24:09,971 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 110 [2021-07-14 06:24:10,238 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 109 [2021-07-14 06:24:10,493 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 110 [2021-07-14 06:24:10,744 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 109 [2021-07-14 06:24:11,003 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 110 [2021-07-14 06:24:11,320 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2021-07-14 06:24:11,692 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2021-07-14 06:24:12,023 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2021-07-14 06:24:12,261 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2021-07-14 06:24:12,515 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2021-07-14 06:24:12,792 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2021-07-14 06:24:13,057 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2021-07-14 06:24:13,317 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2021-07-14 06:24:13,592 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2021-07-14 06:24:13,849 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2021-07-14 06:24:14,120 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2021-07-14 06:24:14,398 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 96 [2021-07-14 06:24:14,726 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 97 [2021-07-14 06:24:14,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:24:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:24:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:24:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:24:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:24:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:24:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:24:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:24:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:24:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:24:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:24:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:24:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:24:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:24:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:24:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:24:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:24:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:24:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:24:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:24:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:24:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:24:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:24:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:24:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:24:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:24:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:24:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:24:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-14 06:24:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:24:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:24:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:24:14,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:24:14,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:24:14,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-14 06:24:14,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:24:14,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:24:14,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:24:14,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:24:14,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:24:14,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:24:14,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:24:14,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:24:14,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:24:14,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:24:14,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:24:14,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:24:14,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 06:24:14,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2021-07-14 06:24:14,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-07-14 06:24:14,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 06:24:14,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:24:14,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 06:24:14,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:24:14,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 06:24:14,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2021-07-14 06:24:14,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 06:24:14,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 06:24:14,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:24:14,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:24:15,003 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 61 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1203 [2021-07-14 06:24:15,003 INFO L430 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 06:24:15,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 06:24:15,004 INFO L82 PathProgramCache]: Analyzing trace with hash -1661109022, now seen corresponding path program 55 times [2021-07-14 06:24:15,004 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 06:24:15,004 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460090976] [2021-07-14 06:24:15,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 06:24:15,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:24:15,653 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 10 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:24:15,653 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 06:24:15,653 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460090976] [2021-07-14 06:24:15,653 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460090976] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:24:15,653 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1087944255] [2021-07-14 06:24:15,653 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:24:15,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 06:24:15,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 68 conjunts are in the unsatisfiable core [2021-07-14 06:24:15,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 06:24:16,162 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:24:16,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-14 06:24:16,163 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:24:16,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 06:24:16,166 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:24:16,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 06:24:16,169 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:24:16,171 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:24:16,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-14 06:24:16,172 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:24:16,174 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 06:24:16,175 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 06:24:16,176 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 06:24:16,177 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 06:24:16,204 INFO L628 ElimStorePlain]: treesize reduction 6, result has 84.2 percent of original size [2021-07-14 06:24:16,204 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 06:24:16,205 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-07-14 06:24:16,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-14 06:24:16,660 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 06:24:16,662 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:24:16,662 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 17 treesize of output 13 [2021-07-14 06:24:16,663 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 06:24:16,665 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 06:24:16,665 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 [2021-07-14 06:24:16,666 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 06:24:16,668 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 06:24:16,668 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 06:24:16,683 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-07-14 06:24:16,684 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-14 06:24:16,684 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 06:24:16,684 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-14 06:24:16,831 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 10 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 06:24:16,831 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1087944255] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 06:24:16,831 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 06:24:16,831 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 55 [2021-07-14 06:24:16,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094797538] [2021-07-14 06:24:16,832 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-07-14 06:24:16,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 06:24:16,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-07-14 06:24:16,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=2824, Unknown=0, NotChecked=0, Total=2970 [2021-07-14 06:24:16,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:24:16,832 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 06:24:16,832 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 55 states, 55 states have (on average 1.2727272727272727) internal successors, (70), 55 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 06:24:16,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 06:24:16,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:24:16,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:24:16,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:24:16,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 06:24:16,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 06:24:16,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 06:24:16,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:24:16,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 06:24:16,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 06:24:16,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:24:16,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:24:16,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 06:24:16,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:24:16,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:24:16,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:24:16,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 06:24:16,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 06:24:16,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:24:16,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 06:24:16,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:24:16,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 06:24:16,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 06:24:16,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:24:16,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 06:24:16,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:24:16,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:24:16,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:24:16,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-14 06:24:16,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-07-14 06:24:16,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 06:24:16,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-14 06:24:16,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 06:24:16,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 06:24:16,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-14 06:24:16,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 06:24:16,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 06:24:16,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:24:16,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:24:16,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 06:24:16,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:24:16,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:24:16,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-07-14 06:24:16,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 06:24:16,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:24:16,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:24:16,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:24:16,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 06:24:16,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2021-07-14 06:24:16,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-07-14 06:24:16,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 06:24:16,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 06:24:16,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 06:24:16,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 06:24:16,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 06:24:16,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2021-07-14 06:24:16,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 06:24:16,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 06:24:16,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 06:24:16,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 06:24:16,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 06:24:23,897 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 236 DAG size of output: 197 [2021-07-14 06:24:25,173 WARN L205 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 201 [2021-07-14 06:24:26,977 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 248 DAG size of output: 201 [2021-07-14 06:24:28,345 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 210 DAG size of output: 171 [2021-07-14 06:24:30,574 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 214 DAG size of output: 179 [2021-07-14 06:24:32,981 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 260 DAG size of output: 213 [2021-07-14 06:24:33,628 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-07-14 06:24:33,829 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1225,62 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 06:24:33,830 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:621) 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.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:200) 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.plugins.generator.traceabstraction.concurrency.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:193) 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:367) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:238) ... 53 more [2021-07-14 06:24:33,849 INFO L168 Benchmark]: Toolchain (without parser) took 491423.43 ms. Allocated memory was 185.6 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 164.4 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.2 GB. Max. memory is 8.0 GB. [2021-07-14 06:24:33,849 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 185.6 MB. Free memory is still 165.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 06:24:33,849 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.54 ms. Allocated memory is still 185.6 MB. Free memory was 164.2 MB in the beginning and 162.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 06:24:33,849 INFO L168 Benchmark]: Boogie Preprocessor took 25.69 ms. Allocated memory is still 185.6 MB. Free memory was 162.8 MB in the beginning and 161.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 06:24:33,850 INFO L168 Benchmark]: RCFGBuilder took 275.43 ms. Allocated memory is still 185.6 MB. Free memory was 161.6 MB in the beginning and 139.9 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-07-14 06:24:33,850 INFO L168 Benchmark]: TraceAbstraction took 491095.54 ms. Allocated memory was 185.6 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 139.4 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.2 GB. Max. memory is 8.0 GB. [2021-07-14 06:24:33,850 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 0.13 ms. Allocated memory is still 185.6 MB. Free memory is still 165.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 22.54 ms. Allocated memory is still 185.6 MB. Free memory was 164.2 MB in the beginning and 162.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 25.69 ms. Allocated memory is still 185.6 MB. Free memory was 162.8 MB in the beginning and 161.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 275.43 ms. Allocated memory is still 185.6 MB. Free memory was 161.6 MB in the beginning and 139.9 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 491095.54 ms. Allocated memory was 185.6 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 139.4 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.2 GB. 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...