/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-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 23:56:53,316 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 23:56:53,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 23:56:53,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-16 23:56:53,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-16 23:56:53,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-16 23:56:53,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-16 23:56:53,367 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-16 23:56:53,369 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-16 23:56:53,375 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-16 23:56:53,376 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-16 23:56:53,377 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-16 23:56:53,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-16 23:56:53,380 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-16 23:56:53,381 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-16 23:56:53,382 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-16 23:56:53,386 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-16 23:56:53,386 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-16 23:56:53,389 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-16 23:56:53,393 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-16 23:56:53,394 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-16 23:56:53,396 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-16 23:56:53,396 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-16 23:56:53,398 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-16 23:56:53,403 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-16 23:56:53,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-16 23:56:53,403 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-16 23:56:53,404 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-16 23:56:53,404 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-16 23:56:53,405 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-16 23:56:53,405 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-16 23:56:53,406 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-16 23:56:53,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-16 23:56:53,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-16 23:56:53,417 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-16 23:56:53,417 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-16 23:56:53,418 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-16 23:56:53,418 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-16 23:56:53,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-16 23:56:53,419 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-16 23:56:53,424 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-16 23:56:53,427 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-Random42.epf [2021-06-16 23:56:53,468 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 23:56:53,468 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 23:56:53,468 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-16 23:56:53,469 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-16 23:56:53,471 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 23:56:53,471 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 23:56:53,471 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 23:56:53,472 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 23:56:53,472 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 23:56:53,472 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 23:56:53,473 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 23:56:53,473 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 23:56:53,473 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 23:56:53,473 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 23:56:53,473 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 23:56:53,473 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 23:56:53,473 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 23:56:53,474 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 23:56:53,474 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 23:56:53,474 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 23:56:53,474 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 23:56:53,474 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 23:56:53,474 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 23:56:53,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 23:56:53,475 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 23:56:53,475 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 23:56:53,475 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 23:56:53,475 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 23:56:53,475 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-16 23:56:53,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 23:56:53,476 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 23:56:53,476 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-16 23:56:53,476 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 23:56:53,476 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-16 23:56:53,476 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-16 23:56:53,477 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 23:56:53,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 23:56:53,802 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 23:56:53,805 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 23:56:53,805 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-16 23:56:53,806 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-16 23:56:53,807 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl [2021-06-16 23:56:53,807 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl' [2021-06-16 23:56:53,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 23:56:53,847 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-16 23:56:53,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 23:56:53,849 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 23:56:53,849 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 23:56:53,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 11:56:53" (1/1) ... [2021-06-16 23:56:53,869 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 11:56:53" (1/1) ... [2021-06-16 23:56:53,877 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 23:56:53,878 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 23:56:53,878 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 23:56:53,879 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 23:56:53,885 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 11:56:53" (1/1) ... [2021-06-16 23:56:53,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 11:56:53" (1/1) ... [2021-06-16 23:56:53,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 11:56:53" (1/1) ... [2021-06-16 23:56:53,887 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 11:56:53" (1/1) ... [2021-06-16 23:56:53,889 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 11:56:53" (1/1) ... [2021-06-16 23:56:53,891 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 11:56:53" (1/1) ... [2021-06-16 23:56:53,891 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 11:56:53" (1/1) ... [2021-06-16 23:56:53,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 23:56:53,894 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 23:56:53,894 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 23:56:53,894 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 23:56:53,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 11:56:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 23:56:53,965 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-16 23:56:53,965 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-16 23:56:53,965 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-16 23:56:53,965 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-16 23:56:53,965 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-16 23:56:53,965 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-16 23:56:53,966 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-16 23:56:53,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 23:56:53,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 23:56:53,968 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-16 23:56:54,245 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 23:56:54,246 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-06-16 23:56:54,246 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-16 23:56:54,247 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-06-16 23:56:54,248 INFO L202 PluginConnector]: Adding new model array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 11:56:54 BoogieIcfgContainer [2021-06-16 23:56:54,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 23:56:54,250 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 23:56:54,250 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 23:56:54,252 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 23:56:54,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 11:56:53" (1/2) ... [2021-06-16 23:56:54,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29c11093 and model type array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 11:56:54, skipping insertion in model container [2021-06-16 23:56:54,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 11:56:54" (2/2) ... [2021-06-16 23:56:54,254 INFO L111 eAbstractionObserver]: Analyzing ICFG array-int-symm.wvr.bpl [2021-06-16 23:56:54,258 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 23:56:54,259 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 23:56:54,259 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-16 23:56:54,259 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 23:56:54,306 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-16 23:56:54,332 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-16 23:56:54,374 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 23:56:54,374 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 23:56:54,374 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 23:56:54,375 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 23:56:54,375 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 23:56:54,375 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 23:56:54,375 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 23:56:54,375 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-16 23:56:54,400 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:56:54,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:56:54,405 INFO L82 PathProgramCache]: Analyzing trace with hash -1265522778, now seen corresponding path program 1 times [2021-06-16 23:56:54,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:56:54,413 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954410277] [2021-06-16 23:56:54,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:56:54,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:56:54,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:56:54,661 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:56:54,661 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954410277] [2021-06-16 23:56:54,662 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954410277] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 23:56:54,662 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 23:56:54,662 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-16 23:56:54,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66290493] [2021-06-16 23:56:54,667 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-16 23:56:54,667 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:56:54,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-16 23:56:54,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-16 23:56:54,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:56:54,694 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:56:54,699 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:56:54,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:56:54,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:56:54,763 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-16 23:56:54,763 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:56:54,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:56:54,767 INFO L82 PathProgramCache]: Analyzing trace with hash -797509666, now seen corresponding path program 1 times [2021-06-16 23:56:54,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:56:54,768 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030369554] [2021-06-16 23:56:54,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:56:54,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:56:54,863 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:56:54,864 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:56:54,865 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030369554] [2021-06-16 23:56:54,865 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030369554] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:56:54,866 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [61506888] [2021-06-16 23:56:54,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:56:54,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:56:54,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-16 23:56:54,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:56:55,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:56:55,083 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [61506888] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:56:55,083 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:56:55,084 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-06-16 23:56:55,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473238877] [2021-06-16 23:56:55,087 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-16 23:56:55,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:56:55,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-16 23:56:55,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-16 23:56:55,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:56:55,089 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:56:55,090 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:56:55,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:56:55,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:56:55,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:56:55,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:56:55,369 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:56:55,369 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:56:55,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:56:55,370 INFO L82 PathProgramCache]: Analyzing trace with hash 879685344, now seen corresponding path program 1 times [2021-06-16 23:56:55,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:56:55,370 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790063826] [2021-06-16 23:56:55,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:56:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:56:55,967 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:56:55,967 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:56:55,968 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790063826] [2021-06-16 23:56:55,968 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790063826] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:56:55,968 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [441277033] [2021-06-16 23:56:55,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:56:56,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:56:56,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-16 23:56:56,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:56:56,448 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:56:56,449 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:56:56,455 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 15 treesize of output 11 [2021-06-16 23:56:56,475 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 23:56:56,482 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:56:56,483 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 25 treesize of output 19 [2021-06-16 23:56:56,486 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 23:56:56,536 INFO L628 ElimStorePlain]: treesize reduction 62, result has 44.1 percent of original size [2021-06-16 23:56:56,536 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-16 23:56:56,539 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:56:56,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-16 23:56:56,545 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 23:56:56,558 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 23:56:56,561 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:56:56,563 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 21 treesize of output 13 [2021-06-16 23:56:56,571 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 23:56:56,584 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 23:56:56,588 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 23:56:56,588 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:125, output treesize:22 [2021-06-16 23:56:56,631 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:56:56,631 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [441277033] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:56:56,631 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:56:56,631 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 11 [2021-06-16 23:56:56,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001705975] [2021-06-16 23:56:56,633 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-16 23:56:56,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:56:56,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-16 23:56:56,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-06-16 23:56:56,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:56:56,637 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:56:56,637 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 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) [2021-06-16 23:56:56,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:56:56,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:56:56,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:56:56,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:56:56,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:56:56,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:56:57,061 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:56:57,061 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:56:57,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:56:57,062 INFO L82 PathProgramCache]: Analyzing trace with hash -331280104, now seen corresponding path program 2 times [2021-06-16 23:56:57,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:56:57,062 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606902552] [2021-06-16 23:56:57,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:56:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:56:57,160 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:56:57,160 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:56:57,161 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606902552] [2021-06-16 23:56:57,161 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606902552] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:56:57,161 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799117661] [2021-06-16 23:56:57,161 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:56:57,209 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 23:56:57,209 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:56:57,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-16 23:56:57,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:56:57,324 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:56:57,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-16 23:56:57,327 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 23:56:57,329 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 16 treesize of output 12 [2021-06-16 23:56:57,331 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 23:56:57,355 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-16 23:56:57,355 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-16 23:56:57,356 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 23:56:57,356 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-16 23:56:57,384 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:56:57,384 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [799117661] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:56:57,384 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:56:57,385 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-06-16 23:56:57,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442923245] [2021-06-16 23:56:57,385 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-16 23:56:57,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:56:57,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-16 23:56:57,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-06-16 23:56:57,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:56:57,386 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:56:57,387 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 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) [2021-06-16 23:56:57,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:56:57,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:56:57,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:56:57,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:56:57,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:56:57,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:56:57,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:56:57,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:56:57,701 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:56:57,701 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:56:57,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:56:57,702 INFO L82 PathProgramCache]: Analyzing trace with hash -1847067418, now seen corresponding path program 3 times [2021-06-16 23:56:57,702 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:56:57,702 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481832210] [2021-06-16 23:56:57,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:56:57,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:56:58,123 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2021-06-16 23:56:58,300 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 58 [2021-06-16 23:56:58,523 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 48 [2021-06-16 23:56:58,680 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 36 [2021-06-16 23:56:58,756 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:56:58,757 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:56:58,759 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481832210] [2021-06-16 23:56:58,759 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481832210] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:56:58,760 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [521729017] [2021-06-16 23:56:58,760 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:56:58,809 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-06-16 23:56:58,810 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:56:58,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-16 23:56:58,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:56:59,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:56:59,302 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:56:59,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-06-16 23:56:59,307 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 23:56:59,327 INFO L628 ElimStorePlain]: treesize reduction 107, result has 9.3 percent of original size [2021-06-16 23:56:59,327 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-06-16 23:56:59,327 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-16 23:56:59,328 INFO L518 ElimStorePlain]: Eliminatee v_prenex_7 vanished before elimination [2021-06-16 23:56:59,328 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 23:56:59,328 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:140, output treesize:11 [2021-06-16 23:56:59,363 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:56:59,363 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [521729017] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:56:59,363 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:56:59,363 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 15 [2021-06-16 23:56:59,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398702107] [2021-06-16 23:56:59,364 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-16 23:56:59,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:56:59,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-16 23:56:59,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2021-06-16 23:56:59,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:56:59,365 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:56:59,365 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.6) internal successors, (24), 15 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:56:59,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:56:59,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:56:59,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:56:59,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:56:59,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:56:59,891 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 61 [2021-06-16 23:56:59,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:56:59,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:56:59,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:56:59,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:56:59,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:00,154 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-06-16 23:57:00,154 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:57:00,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:57:00,155 INFO L82 PathProgramCache]: Analyzing trace with hash -1648725730, now seen corresponding path program 4 times [2021-06-16 23:57:00,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:57:00,155 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721620475] [2021-06-16 23:57:00,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:57:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:57:00,256 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:57:00,257 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:57:00,257 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721620475] [2021-06-16 23:57:00,257 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721620475] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:57:00,257 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1662302739] [2021-06-16 23:57:00,257 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:57:00,299 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-16 23:57:00,299 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:57:00,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-16 23:57:00,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:57:00,393 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:57:00,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-16 23:57:00,395 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 23:57:00,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-16 23:57:00,398 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 23:57:00,414 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-16 23:57:00,414 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-16 23:57:00,414 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 23:57:00,415 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-16 23:57:00,438 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:57:00,439 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1662302739] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:57:00,439 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:57:00,439 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2021-06-16 23:57:00,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344901440] [2021-06-16 23:57:00,440 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-16 23:57:00,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:57:00,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-16 23:57:00,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-06-16 23:57:00,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:57:00,441 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:57:00,441 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 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) [2021-06-16 23:57:00,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:57:00,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:57:00,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:57:00,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:00,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:00,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:57:00,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:57:00,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:57:00,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:57:00,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:00,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:00,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:57:00,773 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-06-16 23:57:00,773 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:57:00,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:57:00,774 INFO L82 PathProgramCache]: Analyzing trace with hash 261791136, now seen corresponding path program 5 times [2021-06-16 23:57:00,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:57:00,774 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102932686] [2021-06-16 23:57:00,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:57:00,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:57:01,359 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:57:01,359 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:57:01,359 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102932686] [2021-06-16 23:57:01,360 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102932686] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:57:01,360 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [904804117] [2021-06-16 23:57:01,360 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:57:01,393 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-16 23:57:01,393 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:57:01,394 WARN L261 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 41 conjunts are in the unsatisfiable core [2021-06-16 23:57:01,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:57:02,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:02,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:02,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:02,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:02,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:02,127 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:57:02,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 33 [2021-06-16 23:57:02,131 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 23:57:02,148 INFO L628 ElimStorePlain]: treesize reduction 129, result has 7.9 percent of original size [2021-06-16 23:57:02,149 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-16 23:57:02,149 INFO L518 ElimStorePlain]: Eliminatee v_prenex_13 vanished before elimination [2021-06-16 23:57:02,149 INFO L518 ElimStorePlain]: Eliminatee v_prenex_12 vanished before elimination [2021-06-16 23:57:02,149 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 23:57:02,149 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:173, output treesize:11 [2021-06-16 23:57:02,189 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:57:02,189 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [904804117] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:57:02,189 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:57:02,189 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2021-06-16 23:57:02,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500483033] [2021-06-16 23:57:02,190 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-16 23:57:02,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:57:02,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-16 23:57:02,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-06-16 23:57:02,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:57:02,191 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:57:02,191 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 18 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:57:02,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:57:02,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:57:02,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:57:02,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:02,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:02,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:57:02,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:57:02,666 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 51 [2021-06-16 23:57:02,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:57:02,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:57:02,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:57:02,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:02,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:02,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:57:02,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:57:03,019 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:57:03,019 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:57:03,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:57:03,020 INFO L82 PathProgramCache]: Analyzing trace with hash 1889592280, now seen corresponding path program 6 times [2021-06-16 23:57:03,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:57:03,020 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982151511] [2021-06-16 23:57:03,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:57:03,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:57:03,140 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:57:03,140 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:57:03,140 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982151511] [2021-06-16 23:57:03,140 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982151511] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:57:03,141 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2084021543] [2021-06-16 23:57:03,141 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:57:03,179 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-16 23:57:03,179 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:57:03,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-16 23:57:03,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:57:03,319 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:57:03,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-16 23:57:03,321 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 23:57:03,323 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 16 treesize of output 12 [2021-06-16 23:57:03,324 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 23:57:03,341 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-16 23:57:03,341 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-16 23:57:03,342 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 23:57:03,342 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-16 23:57:03,370 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:57:03,370 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2084021543] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:57:03,370 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:57:03,370 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-06-16 23:57:03,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576057956] [2021-06-16 23:57:03,371 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-16 23:57:03,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:57:03,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-16 23:57:03,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-06-16 23:57:03,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:57:03,373 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:57:03,373 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.625) internal successors, (26), 16 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:57:03,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:57:03,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:57:03,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:57:03,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:03,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:03,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:57:03,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:57:03,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:57:03,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:57:03,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:57:03,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:57:03,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:03,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:03,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:57:03,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:57:03,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:03,716 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2021-06-16 23:57:03,717 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:57:03,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:57:03,722 INFO L82 PathProgramCache]: Analyzing trace with hash -1719500250, now seen corresponding path program 7 times [2021-06-16 23:57:03,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:57:03,722 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933780663] [2021-06-16 23:57:03,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:57:03,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:57:04,087 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:57:04,087 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:57:04,087 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933780663] [2021-06-16 23:57:04,087 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933780663] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:57:04,087 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [576844470] [2021-06-16 23:57:04,087 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:57:04,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:57:04,119 WARN L261 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 53 conjunts are in the unsatisfiable core [2021-06-16 23:57:04,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:57:05,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:05,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:05,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:05,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:05,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:05,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:05,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:05,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:05,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:05,023 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:57:05,030 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:57:05,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 40 [2021-06-16 23:57:05,033 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 23:57:05,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:05,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:05,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:05,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:05,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:05,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:05,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:05,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:05,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:05,044 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:57:05,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 42 [2021-06-16 23:57:05,047 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 23:57:05,060 INFO L628 ElimStorePlain]: treesize reduction 106, result has 9.4 percent of original size [2021-06-16 23:57:05,061 INFO L518 ElimStorePlain]: Eliminatee v_prenex_19 vanished before elimination [2021-06-16 23:57:05,061 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-16 23:57:05,061 INFO L518 ElimStorePlain]: Eliminatee v_prenex_20 vanished before elimination [2021-06-16 23:57:05,061 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 23:57:05,062 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:206, output treesize:11 [2021-06-16 23:57:05,073 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:57:05,073 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [576844470] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:57:05,073 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:57:05,074 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 21 [2021-06-16 23:57:05,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936089948] [2021-06-16 23:57:05,074 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-16 23:57:05,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:57:05,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-16 23:57:05,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=373, Unknown=0, NotChecked=0, Total=420 [2021-06-16 23:57:05,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:57:05,075 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:57:05,075 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 21 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:57:05,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:57:05,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:57:05,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:57:05,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:05,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:05,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:57:05,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:57:05,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:05,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:57:05,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:57:05,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:57:05,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:57:05,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:05,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:05,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:57:05,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:57:05,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:05,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:57:05,778 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-06-16 23:57:05,779 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:57:05,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:57:05,779 INFO L82 PathProgramCache]: Analyzing trace with hash -770696610, now seen corresponding path program 8 times [2021-06-16 23:57:05,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:57:05,779 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109821867] [2021-06-16 23:57:05,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:57:05,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:57:05,925 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:57:05,925 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:57:05,925 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109821867] [2021-06-16 23:57:05,926 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109821867] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:57:05,926 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [900576766] [2021-06-16 23:57:05,926 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:57:05,991 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 23:57:05,991 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:57:05,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-16 23:57:05,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:57:06,173 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:57:06,175 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 [2021-06-16 23:57:06,176 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 23:57:06,178 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 16 treesize of output 12 [2021-06-16 23:57:06,180 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 23:57:06,200 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-16 23:57:06,200 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-16 23:57:06,201 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 23:57:06,201 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-16 23:57:06,236 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:57:06,237 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [900576766] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:57:06,237 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:57:06,237 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2021-06-16 23:57:06,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904350289] [2021-06-16 23:57:06,239 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-16 23:57:06,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:57:06,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-16 23:57:06,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-06-16 23:57:06,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:57:06,239 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:57:06,240 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 19 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:57:06,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:57:06,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:57:06,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:57:06,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:06,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:06,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:57:06,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:57:06,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:06,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:57:06,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:57:06,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:57:06,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:57:06,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:57:06,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:06,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:06,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:57:06,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:57:06,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:06,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:57:06,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:57:06,642 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:57:06,643 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:57:06,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:57:06,644 INFO L82 PathProgramCache]: Analyzing trace with hash 1710890080, now seen corresponding path program 9 times [2021-06-16 23:57:06,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:57:06,644 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627673112] [2021-06-16 23:57:06,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:57:06,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:57:07,350 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:57:07,350 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:57:07,350 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627673112] [2021-06-16 23:57:07,351 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627673112] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:57:07,351 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [898851521] [2021-06-16 23:57:07,351 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:57:07,391 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-16 23:57:07,391 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:57:07,392 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 69 conjunts are in the unsatisfiable core [2021-06-16 23:57:07,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:57:08,645 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 72 [2021-06-16 23:57:08,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:08,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:08,719 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:57:08,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:08,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:08,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:08,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:08,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:08,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:08,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:08,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:08,727 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:57:08,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 47 [2021-06-16 23:57:08,737 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 23:57:08,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:08,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:08,742 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:57:08,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:08,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:08,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:08,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:08,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:08,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:08,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:08,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:08,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 49 [2021-06-16 23:57:08,751 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 23:57:08,766 INFO L628 ElimStorePlain]: treesize reduction 117, result has 8.6 percent of original size [2021-06-16 23:57:08,766 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-16 23:57:08,766 INFO L518 ElimStorePlain]: Eliminatee v_prenex_29 vanished before elimination [2021-06-16 23:57:08,766 INFO L518 ElimStorePlain]: Eliminatee v_prenex_28 vanished before elimination [2021-06-16 23:57:08,767 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 23:57:08,767 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:239, output treesize:11 [2021-06-16 23:57:08,810 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:57:08,810 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [898851521] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:57:08,810 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:57:08,810 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 27 [2021-06-16 23:57:08,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764640321] [2021-06-16 23:57:08,811 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-16 23:57:08,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:57:08,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-16 23:57:08,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=634, Unknown=0, NotChecked=0, Total=702 [2021-06-16 23:57:08,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:57:08,812 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:57:08,812 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 27 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:57:08,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:57:08,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:57:08,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:57:08,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:08,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:08,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:57:08,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:57:08,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:08,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:57:08,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:57:08,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:57:09,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:57:09,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:57:09,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:57:09,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:09,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:09,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:57:09,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:57:09,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:09,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:57:09,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:57:09,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:57:09,581 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable68 [2021-06-16 23:57:09,581 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:57:09,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:57:09,582 INFO L82 PathProgramCache]: Analyzing trace with hash -1316845928, now seen corresponding path program 10 times [2021-06-16 23:57:09,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:57:09,582 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89438120] [2021-06-16 23:57:09,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:57:09,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:57:09,764 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:57:09,765 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:57:09,765 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89438120] [2021-06-16 23:57:09,765 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89438120] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:57:09,765 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1837805858] [2021-06-16 23:57:09,765 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:57:09,817 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-16 23:57:09,817 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:57:09,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 30 conjunts are in the unsatisfiable core [2021-06-16 23:57:09,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:57:10,038 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:57:10,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-16 23:57:10,039 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 23:57:10,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-16 23:57:10,042 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 23:57:10,056 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-16 23:57:10,056 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-16 23:57:10,057 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 23:57:10,057 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-16 23:57:10,084 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:57:10,084 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1837805858] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:57:10,084 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:57:10,084 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 22 [2021-06-16 23:57:10,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238268669] [2021-06-16 23:57:10,085 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-16 23:57:10,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:57:10,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-16 23:57:10,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-06-16 23:57:10,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:57:10,085 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:57:10,086 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 22 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:57:10,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:57:10,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:57:10,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:57:10,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:10,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:10,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:57:10,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:57:10,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:10,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:57:10,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:57:10,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:57:10,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:57:10,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:57:10,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:57:10,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:57:10,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:10,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:10,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:57:10,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:57:10,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:10,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:57:10,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:57:10,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:57:10,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:57:10,632 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:57:10,633 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:57:10,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:57:10,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1960130406, now seen corresponding path program 11 times [2021-06-16 23:57:10,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:57:10,634 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393590623] [2021-06-16 23:57:10,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:57:10,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:57:11,559 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:57:11,559 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:57:11,559 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393590623] [2021-06-16 23:57:11,559 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393590623] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:57:11,559 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1098090932] [2021-06-16 23:57:11,559 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:57:11,600 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-16 23:57:11,600 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:57:11,602 WARN L261 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 77 conjunts are in the unsatisfiable core [2021-06-16 23:57:11,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:57:13,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:13,318 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:57:13,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:13,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:13,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:13,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:13,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:13,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:13,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:13,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:13,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:13,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:13,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:13,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:13,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:13,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:13,330 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:57:13,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 54 [2021-06-16 23:57:13,345 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 23:57:13,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:13,350 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:57:13,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:13,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:13,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:13,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:13,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:13,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:13,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:13,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:13,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:13,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:13,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:13,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:13,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:13,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:13,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 56 [2021-06-16 23:57:13,364 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 23:57:13,415 INFO L628 ElimStorePlain]: treesize reduction 117, result has 47.3 percent of original size [2021-06-16 23:57:13,419 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:57:13,419 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 21 treesize of output 13 [2021-06-16 23:57:13,420 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 23:57:13,438 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 23:57:13,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:13,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:13,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:13,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:13,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:13,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:13,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:13,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:13,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:13,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:13,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:13,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:13,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:13,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:13,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:13,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 41 [2021-06-16 23:57:13,455 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 23:57:13,465 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 23:57:13,465 INFO L518 ElimStorePlain]: Eliminatee v_prenex_37 vanished before elimination [2021-06-16 23:57:13,467 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 23:57:13,467 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:345, output treesize:22 [2021-06-16 23:57:13,523 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:57:13,523 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1098090932] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:57:13,523 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:57:13,523 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16] total 31 [2021-06-16 23:57:13,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488435710] [2021-06-16 23:57:13,524 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-16 23:57:13,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:57:13,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-16 23:57:13,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=863, Unknown=0, NotChecked=0, Total=930 [2021-06-16 23:57:13,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:57:13,525 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:57:13,525 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 31 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:57:13,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:57:13,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:57:13,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:57:13,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:13,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:13,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:57:13,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:57:13,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:13,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:57:13,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:57:13,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:57:13,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:57:13,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:57:14,102 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2021-06-16 23:57:14,367 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 98 [2021-06-16 23:57:14,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:57:14,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:57:14,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:57:14,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:14,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:14,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:57:14,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:57:14,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:14,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:57:14,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:57:14,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:57:14,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:57:14,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:14,660 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable92 [2021-06-16 23:57:14,660 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:57:14,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:57:14,661 INFO L82 PathProgramCache]: Analyzing trace with hash -1313890, now seen corresponding path program 12 times [2021-06-16 23:57:14,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:57:14,661 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578416985] [2021-06-16 23:57:14,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:57:14,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:57:14,885 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:57:14,885 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:57:14,886 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578416985] [2021-06-16 23:57:14,886 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578416985] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:57:14,886 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [890949661] [2021-06-16 23:57:14,886 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:57:14,924 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-16 23:57:14,924 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:57:14,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 34 conjunts are in the unsatisfiable core [2021-06-16 23:57:14,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:57:15,135 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:57:15,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-16 23:57:15,136 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 23:57:15,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-16 23:57:15,140 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 23:57:15,157 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-16 23:57:15,157 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-16 23:57:15,157 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 23:57:15,158 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-16 23:57:15,186 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:57:15,186 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [890949661] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:57:15,186 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:57:15,187 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 25 [2021-06-16 23:57:15,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338259024] [2021-06-16 23:57:15,187 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-16 23:57:15,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:57:15,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-16 23:57:15,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2021-06-16 23:57:15,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:57:15,188 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:57:15,188 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.4) internal successors, (35), 25 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:57:15,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:57:15,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:57:15,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:57:15,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:15,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:15,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:57:15,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:57:15,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:15,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:57:15,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:57:15,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:57:15,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:57:15,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:15,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:57:15,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:57:15,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:57:15,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:57:15,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:15,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:15,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:57:15,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:57:15,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:15,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:57:15,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:57:15,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:57:15,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:57:15,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:15,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:57:15,761 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:57:15,761 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:57:15,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:57:15,762 INFO L82 PathProgramCache]: Analyzing trace with hash -208049376, now seen corresponding path program 13 times [2021-06-16 23:57:15,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:57:15,762 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295580922] [2021-06-16 23:57:15,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:57:15,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:57:16,451 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:57:16,452 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:57:16,452 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295580922] [2021-06-16 23:57:16,452 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295580922] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:57:16,452 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1236215885] [2021-06-16 23:57:16,452 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:57:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:57:16,498 WARN L261 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 89 conjunts are in the unsatisfiable core [2021-06-16 23:57:16,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:57:17,420 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 90 [2021-06-16 23:57:17,639 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2021-06-16 23:57:18,069 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2021-06-16 23:57:18,549 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 90 [2021-06-16 23:57:18,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:18,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:18,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:18,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:18,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:18,647 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:57:18,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:18,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:18,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:18,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:18,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:18,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:18,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:18,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:18,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:18,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:18,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:18,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:18,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:18,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:18,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:18,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:18,662 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:57:18,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 61 [2021-06-16 23:57:18,678 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 23:57:18,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:18,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:18,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:18,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:18,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:18,685 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:57:18,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:18,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:18,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:18,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:18,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:18,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:18,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:18,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:18,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:18,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:18,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:18,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:18,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:18,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:18,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:18,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:18,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 63 [2021-06-16 23:57:18,703 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 23:57:18,719 INFO L628 ElimStorePlain]: treesize reduction 139, result has 7.3 percent of original size [2021-06-16 23:57:18,719 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-16 23:57:18,719 INFO L518 ElimStorePlain]: Eliminatee v_prenex_49 vanished before elimination [2021-06-16 23:57:18,719 INFO L518 ElimStorePlain]: Eliminatee v_prenex_48 vanished before elimination [2021-06-16 23:57:18,720 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 23:57:18,720 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:305, output treesize:11 [2021-06-16 23:57:18,731 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:57:18,731 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1236215885] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:57:18,731 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:57:18,731 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18] total 33 [2021-06-16 23:57:18,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671983337] [2021-06-16 23:57:18,733 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-06-16 23:57:18,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:57:18,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-06-16 23:57:18,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=979, Unknown=0, NotChecked=0, Total=1056 [2021-06-16 23:57:18,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:57:18,734 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:57:18,736 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 33 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:57:18,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:57:18,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:57:18,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:57:18,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:18,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:18,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:57:18,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:57:18,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:18,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:57:18,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:57:18,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:57:18,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:57:18,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:18,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:57:18,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:57:19,891 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 100 [2021-06-16 23:57:19,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:57:19,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:57:19,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:57:19,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:19,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:19,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:57:19,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:57:19,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:19,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:57:19,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:57:19,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:57:19,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:57:19,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:19,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:57:19,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 23:57:20,185 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:57:20,185 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:57:20,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:57:20,186 INFO L82 PathProgramCache]: Analyzing trace with hash 334625112, now seen corresponding path program 14 times [2021-06-16 23:57:20,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:57:20,186 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716836956] [2021-06-16 23:57:20,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:57:20,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:57:20,472 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:57:20,472 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:57:20,473 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716836956] [2021-06-16 23:57:20,473 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716836956] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:57:20,473 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1151134200] [2021-06-16 23:57:20,473 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:57:20,526 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 23:57:20,526 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:57:20,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 38 conjunts are in the unsatisfiable core [2021-06-16 23:57:20,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:57:20,762 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:57:20,763 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 15 treesize of output 11 [2021-06-16 23:57:20,764 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 23:57:20,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-16 23:57:20,767 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 23:57:20,783 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-16 23:57:20,783 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-16 23:57:20,784 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 23:57:20,784 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-16 23:57:20,816 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:57:20,817 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1151134200] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:57:20,817 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:57:20,817 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 28 [2021-06-16 23:57:20,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859023128] [2021-06-16 23:57:20,817 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-16 23:57:20,818 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:57:20,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-16 23:57:20,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2021-06-16 23:57:20,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:57:20,819 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:57:20,819 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 28 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:57:20,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:57:20,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:57:20,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:57:20,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:20,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:20,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:57:20,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:57:20,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:20,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:57:20,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:57:20,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:57:20,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:57:20,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:20,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:57:20,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 23:57:20,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:57:21,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:57:21,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:57:21,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:57:21,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:21,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:21,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:57:21,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:57:21,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:21,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:57:21,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:57:21,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:57:21,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:57:21,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:21,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:57:21,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 23:57:21,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:57:21,421 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable146 [2021-06-16 23:57:21,421 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:57:21,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:57:21,422 INFO L82 PathProgramCache]: Analyzing trace with hash 1616125094, now seen corresponding path program 15 times [2021-06-16 23:57:21,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:57:21,422 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115794819] [2021-06-16 23:57:21,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:57:21,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:57:22,187 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:57:22,188 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:57:22,188 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115794819] [2021-06-16 23:57:22,188 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115794819] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:57:22,188 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027594758] [2021-06-16 23:57:22,188 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:57:22,237 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-16 23:57:22,237 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:57:22,239 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 101 conjunts are in the unsatisfiable core [2021-06-16 23:57:22,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:57:23,339 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2021-06-16 23:57:23,621 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2021-06-16 23:57:23,874 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2021-06-16 23:57:24,104 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-06-16 23:57:24,382 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2021-06-16 23:57:24,640 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-06-16 23:57:24,927 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 99 [2021-06-16 23:57:25,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:25,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:25,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:25,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:25,018 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:57:25,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:25,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:25,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:25,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:25,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:25,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:25,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:25,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:25,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:25,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:25,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:25,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:25,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:25,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:25,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:25,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:25,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:25,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:25,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:25,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:25,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:25,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:25,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:25,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:25,034 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 [2021-06-16 23:57:25,037 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 23:57:25,062 INFO L628 ElimStorePlain]: treesize reduction 243, result has 4.3 percent of original size [2021-06-16 23:57:25,062 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-06-16 23:57:25,062 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-16 23:57:25,062 INFO L518 ElimStorePlain]: Eliminatee v_prenex_62 vanished before elimination [2021-06-16 23:57:25,063 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 23:57:25,063 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:338, output treesize:11 [2021-06-16 23:57:25,113 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:57:25,113 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027594758] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:57:25,113 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:57:25,113 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20] total 38 [2021-06-16 23:57:25,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018012531] [2021-06-16 23:57:25,113 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-06-16 23:57:25,114 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:57:25,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-06-16 23:57:25,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=1316, Unknown=0, NotChecked=0, Total=1406 [2021-06-16 23:57:25,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:57:25,115 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:57:25,115 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 1.263157894736842) internal successors, (48), 38 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:57:25,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:57:25,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:57:25,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:57:25,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:25,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:25,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:57:25,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:57:25,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:25,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:57:25,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:57:25,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:57:25,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:57:25,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:25,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:57:25,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 23:57:25,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:57:25,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:57:26,674 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 112 [2021-06-16 23:57:26,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:57:26,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:57:26,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:57:26,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:26,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:26,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:57:26,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:57:26,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:26,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:57:26,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:57:26,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:57:26,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:57:26,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:26,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:57:26,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 23:57:26,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:57:26,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 23:57:26,993 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable148 [2021-06-16 23:57:26,994 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:57:26,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:57:26,994 INFO L82 PathProgramCache]: Analyzing trace with hash -859702050, now seen corresponding path program 16 times [2021-06-16 23:57:26,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:57:26,994 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72569316] [2021-06-16 23:57:26,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:57:27,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:57:27,296 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:57:27,296 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:57:27,296 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72569316] [2021-06-16 23:57:27,296 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72569316] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:57:27,296 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1025462373] [2021-06-16 23:57:27,296 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:57:27,340 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-16 23:57:27,341 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:57:27,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 42 conjunts are in the unsatisfiable core [2021-06-16 23:57:27,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:57:27,654 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:57:27,655 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 16 treesize of output 12 [2021-06-16 23:57:27,655 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 23:57:27,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-16 23:57:27,658 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 23:57:27,672 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-16 23:57:27,672 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-16 23:57:27,673 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 23:57:27,673 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-16 23:57:27,703 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:57:27,703 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1025462373] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:57:27,703 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:57:27,703 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 31 [2021-06-16 23:57:27,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903301387] [2021-06-16 23:57:27,703 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-16 23:57:27,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:57:27,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-16 23:57:27,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2021-06-16 23:57:27,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:57:27,704 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:57:27,704 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 31 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:57:27,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:57:27,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:57:27,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:57:27,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:27,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:27,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:57:27,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:57:27,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:27,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:57:27,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:57:27,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:57:27,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:57:27,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:27,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:57:27,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 23:57:27,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:57:27,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 23:57:27,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:57:28,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:57:28,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:57:28,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:57:28,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:28,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:28,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:57:28,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:57:28,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:28,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:57:28,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:57:28,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:57:28,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:57:28,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:28,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:57:28,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 23:57:28,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:57:28,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 23:57:28,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 23:57:28,340 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:57:28,341 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:57:28,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:57:28,341 INFO L82 PathProgramCache]: Analyzing trace with hash -1048278560, now seen corresponding path program 17 times [2021-06-16 23:57:28,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:57:28,341 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997632162] [2021-06-16 23:57:28,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:57:28,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:57:29,471 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:57:29,471 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:57:29,471 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997632162] [2021-06-16 23:57:29,471 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997632162] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:57:29,471 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1203513444] [2021-06-16 23:57:29,471 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:57:29,518 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-16 23:57:29,518 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:57:29,520 WARN L261 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 113 conjunts are in the unsatisfiable core [2021-06-16 23:57:29,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:57:30,678 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-06-16 23:57:30,958 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-06-16 23:57:31,285 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-06-16 23:57:31,618 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-06-16 23:57:31,929 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-06-16 23:57:32,227 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-06-16 23:57:32,476 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-06-16 23:57:32,776 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 108 [2021-06-16 23:57:32,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,883 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:57:32,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,911 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:57:32,916 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 [2021-06-16 23:57:32,919 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 23:57:32,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,948 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:57:32,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:32,962 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 [2021-06-16 23:57:32,966 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 23:57:32,984 INFO L628 ElimStorePlain]: treesize reduction 161, result has 6.4 percent of original size [2021-06-16 23:57:32,984 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-16 23:57:32,984 INFO L518 ElimStorePlain]: Eliminatee v_prenex_75 vanished before elimination [2021-06-16 23:57:32,985 INFO L518 ElimStorePlain]: Eliminatee v_prenex_74 vanished before elimination [2021-06-16 23:57:32,985 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 23:57:32,985 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:371, output treesize:11 [2021-06-16 23:57:33,050 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:57:33,050 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1203513444] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:57:33,050 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:57:33,050 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 42 [2021-06-16 23:57:33,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893671119] [2021-06-16 23:57:33,051 INFO L462 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-06-16 23:57:33,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:57:33,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-06-16 23:57:33,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=1622, Unknown=0, NotChecked=0, Total=1722 [2021-06-16 23:57:33,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:57:33,052 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:57:33,052 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 42 states, 42 states have (on average 1.2380952380952381) internal successors, (52), 42 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:57:33,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:57:33,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:57:33,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:57:33,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:33,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:33,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:57:33,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:57:33,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:33,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:57:33,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:57:33,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:57:33,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:57:33,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:33,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:57:33,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 23:57:33,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:57:33,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 23:57:33,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 23:57:33,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:57:34,786 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 120 [2021-06-16 23:57:34,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:57:34,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:57:34,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:57:34,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:34,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:34,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:57:34,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:57:34,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:34,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:57:34,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:57:34,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:57:34,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:57:34,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:34,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:57:34,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 23:57:34,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:57:34,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 23:57:34,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 23:57:34,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 23:57:35,072 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable177 [2021-06-16 23:57:35,073 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:57:35,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:57:35,073 INFO L82 PathProgramCache]: Analyzing trace with hash -906281960, now seen corresponding path program 18 times [2021-06-16 23:57:35,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:57:35,073 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186152886] [2021-06-16 23:57:35,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:57:35,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:57:35,438 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:57:35,439 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:57:35,439 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186152886] [2021-06-16 23:57:35,439 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186152886] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:57:35,439 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710395677] [2021-06-16 23:57:35,439 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:57:35,486 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-06-16 23:57:35,487 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:57:35,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 46 conjunts are in the unsatisfiable core [2021-06-16 23:57:35,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:57:35,823 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:57:35,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-16 23:57:35,824 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 23:57:35,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-16 23:57:35,828 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 23:57:35,844 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-16 23:57:35,844 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-16 23:57:35,844 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 23:57:35,844 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-16 23:57:35,878 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:57:35,878 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1710395677] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:57:35,878 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:57:35,878 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 34 [2021-06-16 23:57:35,878 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000089490] [2021-06-16 23:57:35,878 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-06-16 23:57:35,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:57:35,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-06-16 23:57:35,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1037, Unknown=0, NotChecked=0, Total=1122 [2021-06-16 23:57:35,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:57:35,879 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:57:35,879 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 34 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:57:35,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:57:35,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:57:35,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:57:35,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:35,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:35,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:57:35,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:57:35,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:35,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:57:35,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:57:35,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:57:35,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:57:35,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:35,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:57:35,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 23:57:35,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:57:35,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 23:57:35,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 23:57:35,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 23:57:35,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:57:36,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:57:36,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:57:36,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:57:36,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:36,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:36,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:57:36,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:57:36,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:36,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:57:36,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:57:36,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:57:36,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:57:36,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:36,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:57:36,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 23:57:36,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:57:36,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 23:57:36,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 23:57:36,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 23:57:36,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 23:57:36,577 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable207 [2021-06-16 23:57:36,578 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:57:36,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:57:36,578 INFO L82 PathProgramCache]: Analyzing trace with hash 1802711526, now seen corresponding path program 19 times [2021-06-16 23:57:36,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:57:36,578 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169266216] [2021-06-16 23:57:36,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:57:36,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:57:38,086 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:57:38,087 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:57:38,087 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169266216] [2021-06-16 23:57:38,087 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169266216] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:57:38,087 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265397787] [2021-06-16 23:57:38,087 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:57:38,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:57:38,134 WARN L261 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 125 conjunts are in the unsatisfiable core [2021-06-16 23:57:38,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:57:39,674 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 117 [2021-06-16 23:57:39,967 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-06-16 23:57:40,286 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-06-16 23:57:40,602 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 117 [2021-06-16 23:57:40,907 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 117 [2021-06-16 23:57:41,224 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-06-16 23:57:41,544 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-06-16 23:57:41,853 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 117 [2021-06-16 23:57:42,263 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 117 [2021-06-16 23:57:42,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,373 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:57:42,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,416 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:57:42,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 74 [2021-06-16 23:57:42,454 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 23:57:42,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,466 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:57:42,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 82 [2021-06-16 23:57:42,500 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 23:57:42,585 INFO L628 ElimStorePlain]: treesize reduction 161, result has 47.9 percent of original size [2021-06-16 23:57:42,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,612 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:57:42,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:42,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 84 [2021-06-16 23:57:42,625 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 23:57:42,635 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 23:57:42,635 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-16 23:57:42,637 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:57:42,638 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 21 treesize of output 13 [2021-06-16 23:57:42,639 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 23:57:42,649 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 23:57:42,651 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 23:57:42,651 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:521, output treesize:22 [2021-06-16 23:57:42,732 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:57:42,732 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [265397787] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:57:42,732 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:57:42,732 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 24] total 47 [2021-06-16 23:57:42,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166519940] [2021-06-16 23:57:42,735 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-06-16 23:57:42,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:57:42,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-06-16 23:57:42,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=2059, Unknown=0, NotChecked=0, Total=2162 [2021-06-16 23:57:42,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:57:42,736 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:57:42,736 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 1.1914893617021276) internal successors, (56), 47 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:57:42,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:57:42,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:57:42,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:57:42,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:42,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:42,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:57:42,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:57:42,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:42,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:57:42,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:57:42,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:57:42,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:57:42,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:42,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:57:42,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 23:57:42,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:57:42,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 23:57:42,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 23:57:42,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 23:57:42,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 23:57:42,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:57:44,102 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2021-06-16 23:57:44,534 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 134 [2021-06-16 23:57:44,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:57:44,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:57:44,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:57:44,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:44,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:44,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:57:44,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:57:44,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:44,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:57:44,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:57:44,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:57:44,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:57:44,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:44,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:57:44,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 23:57:44,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:57:44,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 23:57:44,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 23:57:44,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 23:57:44,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 23:57:44,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:57:44,892 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable209,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:57:44,893 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:57:44,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:57:44,893 INFO L82 PathProgramCache]: Analyzing trace with hash 822490654, now seen corresponding path program 20 times [2021-06-16 23:57:44,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:57:44,893 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712175641] [2021-06-16 23:57:44,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:57:44,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:57:45,253 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:57:45,254 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:57:45,254 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712175641] [2021-06-16 23:57:45,254 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712175641] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:57:45,254 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237671777] [2021-06-16 23:57:45,254 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:57:45,302 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 23:57:45,302 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:57:45,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-16 23:57:45,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:57:45,669 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:57:45,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-16 23:57:45,671 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 23:57:45,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-16 23:57:45,674 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 23:57:45,688 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-16 23:57:45,688 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-16 23:57:45,689 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 23:57:45,689 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-16 23:57:45,723 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:57:45,724 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1237671777] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:57:45,724 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:57:45,724 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 37 [2021-06-16 23:57:45,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360521406] [2021-06-16 23:57:45,724 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-16 23:57:45,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:57:45,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-16 23:57:45,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=1239, Unknown=0, NotChecked=0, Total=1332 [2021-06-16 23:57:45,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:57:45,725 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:57:45,725 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 37 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:57:45,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:57:45,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:57:45,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:57:45,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:45,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:45,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:57:45,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:57:45,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:45,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:57:45,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:57:45,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:57:45,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:57:45,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:45,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:57:45,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 23:57:45,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:57:45,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 23:57:45,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 23:57:45,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 23:57:45,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 23:57:45,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:57:45,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:57:46,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:57:46,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:57:46,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:57:46,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:46,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:46,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:57:46,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:57:46,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:46,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:57:46,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:57:46,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:57:46,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:57:46,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:46,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:57:46,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 23:57:46,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:57:46,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 23:57:46,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 23:57:46,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 23:57:46,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 23:57:46,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:57:46,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 23:57:46,596 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable250,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:57:46,596 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:57:46,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:57:46,597 INFO L82 PathProgramCache]: Analyzing trace with hash -439912288, now seen corresponding path program 21 times [2021-06-16 23:57:46,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:57:46,597 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424544169] [2021-06-16 23:57:46,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:57:46,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:57:47,601 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:57:47,601 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:57:47,602 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424544169] [2021-06-16 23:57:47,602 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424544169] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:57:47,602 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1636775437] [2021-06-16 23:57:47,602 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:57:47,673 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-06-16 23:57:47,673 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:57:47,675 WARN L261 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 137 conjunts are in the unsatisfiable core [2021-06-16 23:57:47,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:57:49,216 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-06-16 23:57:49,545 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-06-16 23:57:49,862 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-06-16 23:57:50,183 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-06-16 23:57:50,567 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 126 [2021-06-16 23:57:50,915 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-06-16 23:57:51,234 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-06-16 23:57:51,583 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-06-16 23:57:51,939 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-06-16 23:57:52,259 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-06-16 23:57:52,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,399 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:57:52,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:57:52,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 55 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 89 [2021-06-16 23:57:52,409 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 23:57:52,441 INFO L628 ElimStorePlain]: treesize reduction 309, result has 3.4 percent of original size [2021-06-16 23:57:52,441 INFO L518 ElimStorePlain]: Eliminatee v_prenex_92 vanished before elimination [2021-06-16 23:57:52,441 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-06-16 23:57:52,441 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-16 23:57:52,441 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 23:57:52,441 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:437, output treesize:11 [2021-06-16 23:57:52,506 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:57:52,506 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1636775437] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:57:52,506 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:57:52,506 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26] total 50 [2021-06-16 23:57:52,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462515902] [2021-06-16 23:57:52,507 INFO L462 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-06-16 23:57:52,507 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:57:52,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-06-16 23:57:52,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=2330, Unknown=0, NotChecked=0, Total=2450 [2021-06-16 23:57:52,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:57:52,508 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:57:52,508 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 50 states, 50 states have (on average 1.2) internal successors, (60), 50 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:57:52,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:57:52,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:57:52,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:57:52,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:52,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:52,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:57:52,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:57:52,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:52,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:57:52,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:57:52,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:57:52,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:57:52,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:52,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:57:52,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 23:57:52,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:57:52,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 23:57:52,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 23:57:52,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 23:57:52,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 23:57:52,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:57:52,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 23:57:52,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:57:54,476 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2021-06-16 23:57:55,105 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 136 [2021-06-16 23:57:55,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:57:55,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:57:55,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:57:55,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:55,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:55,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:57:55,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:57:55,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:55,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:57:55,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:57:55,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:57:55,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:57:55,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:55,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:57:55,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 23:57:55,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:57:55,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 23:57:55,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 23:57:55,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 23:57:55,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 23:57:55,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:57:55,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 23:57:55,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-16 23:57:55,445 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable252,24 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:57:55,445 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:57:55,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:57:55,446 INFO L82 PathProgramCache]: Analyzing trace with hash -1834332456, now seen corresponding path program 22 times [2021-06-16 23:57:55,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:57:55,446 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251018059] [2021-06-16 23:57:55,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:57:55,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:57:55,880 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:57:55,881 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:57:55,881 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251018059] [2021-06-16 23:57:55,881 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251018059] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:57:55,881 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799314412] [2021-06-16 23:57:55,881 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:57:55,933 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-16 23:57:55,933 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:57:55,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 54 conjunts are in the unsatisfiable core [2021-06-16 23:57:55,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:57:56,379 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:57:56,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-16 23:57:56,381 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 23:57:56,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-16 23:57:56,383 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 23:57:56,397 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-16 23:57:56,398 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-16 23:57:56,398 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 23:57:56,398 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-16 23:57:56,435 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:57:56,435 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [799314412] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:57:56,435 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:57:56,435 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 40 [2021-06-16 23:57:56,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165057553] [2021-06-16 23:57:56,436 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-06-16 23:57:56,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:57:56,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-06-16 23:57:56,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1459, Unknown=0, NotChecked=0, Total=1560 [2021-06-16 23:57:56,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:57:56,437 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:57:56,437 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.25) internal successors, (50), 40 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:57:56,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:57:56,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:57:56,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:57:56,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:56,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:56,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:57:56,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:57:56,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:56,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:57:56,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:57:56,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:57:56,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:57:56,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:56,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:57:56,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 23:57:56,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:57:56,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 23:57:56,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 23:57:56,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 23:57:56,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 23:57:56,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:57:56,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 23:57:56,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-16 23:57:56,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:57:57,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:57:57,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:57:57,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:57:57,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:57,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:57:57,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:57:57,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:57:57,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:57,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:57:57,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:57:57,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:57:57,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:57:57,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:57:57,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:57:57,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 23:57:57,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:57:57,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 23:57:57,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 23:57:57,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 23:57:57,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 23:57:57,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:57:57,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 23:57:57,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-16 23:57:57,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 23:57:57,316 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable292,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:57:57,316 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:57:57,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:57:57,316 INFO L82 PathProgramCache]: Analyzing trace with hash -1197050074, now seen corresponding path program 23 times [2021-06-16 23:57:57,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:57:57,317 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661097658] [2021-06-16 23:57:57,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:57:57,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:57:58,464 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:57:58,465 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:57:58,465 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661097658] [2021-06-16 23:57:58,465 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661097658] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:57:58,465 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1024889343] [2021-06-16 23:57:58,465 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:57:58,522 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-06-16 23:57:58,522 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:57:58,524 WARN L261 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 149 conjunts are in the unsatisfiable core [2021-06-16 23:57:58,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:57:59,893 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-06-16 23:58:00,502 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-06-16 23:58:00,897 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-06-16 23:58:01,272 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-06-16 23:58:01,618 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-06-16 23:58:02,028 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-06-16 23:58:02,402 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-06-16 23:58:02,774 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-06-16 23:58:03,196 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-06-16 23:58:03,688 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-06-16 23:58:04,128 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 135 [2021-06-16 23:58:04,481 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2021-06-16 23:58:04,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,610 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:58:04,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,659 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:58:04,661 INFO L244 Elim1Store]: Index analysis took 106 ms [2021-06-16 23:58:04,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 66 disjoint index pairs (out of 78 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 98 [2021-06-16 23:58:04,666 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 23:58:04,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,714 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:58:04,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:04,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 66 disjoint index pairs (out of 78 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 96 [2021-06-16 23:58:04,722 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 23:58:04,736 INFO L628 ElimStorePlain]: treesize reduction 204, result has 5.1 percent of original size [2021-06-16 23:58:04,736 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-16 23:58:04,736 INFO L518 ElimStorePlain]: Eliminatee v_prenex_105 vanished before elimination [2021-06-16 23:58:04,736 INFO L518 ElimStorePlain]: Eliminatee v_prenex_106 vanished before elimination [2021-06-16 23:58:04,737 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 23:58:04,737 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:470, output treesize:11 [2021-06-16 23:58:04,746 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:58:04,746 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1024889343] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:58:04,746 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:58:04,746 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 53 [2021-06-16 23:58:04,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246727984] [2021-06-16 23:58:04,746 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-06-16 23:58:04,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:58:04,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-06-16 23:58:04,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=2629, Unknown=0, NotChecked=0, Total=2756 [2021-06-16 23:58:04,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:58:04,747 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:58:04,747 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 1.1320754716981132) internal successors, (60), 53 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:58:04,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:58:04,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:58:04,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:58:04,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:58:04,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:58:04,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:58:04,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:58:04,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:58:04,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:58:04,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:58:04,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:58:04,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:58:04,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:58:04,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:58:04,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 23:58:04,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:58:04,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 23:58:04,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 23:58:04,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 23:58:04,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 23:58:04,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:58:04,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 23:58:04,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-16 23:58:04,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 23:58:04,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:58:07,456 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 145 [2021-06-16 23:58:07,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:58:07,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:58:07,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:58:07,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:58:07,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:58:07,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:58:07,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:58:07,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:58:07,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:58:07,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:58:07,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:58:07,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:58:07,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:58:07,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:58:07,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 23:58:07,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:58:07,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 23:58:07,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 23:58:07,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 23:58:07,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 23:58:07,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:58:07,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 23:58:07,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-16 23:58:07,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 23:58:07,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 23:58:07,797 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable294,26 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:58:07,798 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:58:07,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:58:07,798 INFO L82 PathProgramCache]: Analyzing trace with hash -1205035170, now seen corresponding path program 24 times [2021-06-16 23:58:07,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:58:07,798 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128174597] [2021-06-16 23:58:07,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:58:07,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:58:08,339 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:58:08,339 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:58:08,339 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128174597] [2021-06-16 23:58:08,339 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128174597] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:58:08,339 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [167486092] [2021-06-16 23:58:08,339 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:58:08,394 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-06-16 23:58:08,394 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:58:08,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 58 conjunts are in the unsatisfiable core [2021-06-16 23:58:08,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:58:08,907 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:58:08,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-16 23:58:08,908 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 23:58:08,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-16 23:58:08,911 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 23:58:08,928 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-16 23:58:08,928 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-16 23:58:08,929 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 23:58:08,929 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-16 23:58:08,977 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:58:08,978 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [167486092] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:58:08,978 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:58:08,978 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 43 [2021-06-16 23:58:08,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420355863] [2021-06-16 23:58:08,978 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-06-16 23:58:08,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:58:08,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-06-16 23:58:08,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1697, Unknown=0, NotChecked=0, Total=1806 [2021-06-16 23:58:08,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:58:08,979 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:58:08,980 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 1.2325581395348837) internal successors, (53), 43 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:58:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:58:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:58:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:58:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:58:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:58:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:58:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:58:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:58:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:58:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:58:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:58:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:58:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:58:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:58:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 23:58:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:58:08,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 23:58:08,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 23:58:08,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 23:58:08,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 23:58:08,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:58:08,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 23:58:08,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-16 23:58:08,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 23:58:08,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 23:58:08,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:58:09,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:58:09,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:58:09,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:58:09,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:58:09,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:58:09,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:58:09,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:58:09,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:58:09,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:58:09,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:58:09,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:58:09,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:58:09,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:58:09,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:58:09,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 23:58:09,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:58:09,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 23:58:09,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 23:58:09,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 23:58:09,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 23:58:09,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:58:09,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 23:58:09,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-16 23:58:09,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 23:58:09,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 23:58:09,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 23:58:10,007 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable333 [2021-06-16 23:58:10,007 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:58:10,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:58:10,008 INFO L82 PathProgramCache]: Analyzing trace with hash 1131296608, now seen corresponding path program 25 times [2021-06-16 23:58:10,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:58:10,008 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481146760] [2021-06-16 23:58:10,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:58:10,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:58:11,793 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:58:11,794 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:58:11,794 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481146760] [2021-06-16 23:58:11,794 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481146760] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:58:11,794 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1781674705] [2021-06-16 23:58:11,794 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:58:11,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:58:11,846 WARN L261 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 161 conjunts are in the unsatisfiable core [2021-06-16 23:58:11,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:58:14,096 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-06-16 23:58:14,524 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-06-16 23:58:14,985 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-06-16 23:58:15,404 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-06-16 23:58:15,968 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-06-16 23:58:16,462 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-06-16 23:58:16,954 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-06-16 23:58:17,374 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-06-16 23:58:17,906 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-06-16 23:58:18,345 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-06-16 23:58:18,843 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2021-06-16 23:58:19,371 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 144 [2021-06-16 23:58:19,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,493 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:58:19,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:19,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 78 disjoint index pairs (out of 91 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 103 [2021-06-16 23:58:19,530 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 23:58:19,572 INFO L628 ElimStorePlain]: treesize reduction 353, result has 3.0 percent of original size [2021-06-16 23:58:19,572 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-16 23:58:19,572 INFO L518 ElimStorePlain]: Eliminatee v_prenex_122 vanished before elimination [2021-06-16 23:58:19,572 INFO L518 ElimStorePlain]: Eliminatee v_prenex_123 vanished before elimination [2021-06-16 23:58:19,573 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 23:58:19,573 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:503, output treesize:11 [2021-06-16 23:58:19,667 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:58:19,668 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1781674705] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:58:19,668 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:58:19,668 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 30] total 58 [2021-06-16 23:58:19,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251487770] [2021-06-16 23:58:19,668 INFO L462 AbstractCegarLoop]: Interpolant automaton has 58 states [2021-06-16 23:58:19,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:58:19,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-06-16 23:58:19,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=3179, Unknown=0, NotChecked=0, Total=3306 [2021-06-16 23:58:19,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:58:19,669 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:58:19,670 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 58 states, 58 states have (on average 1.1724137931034482) internal successors, (68), 58 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:58:19,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:58:19,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:58:19,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:58:19,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:58:19,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:58:19,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:58:19,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:58:19,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:58:19,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:58:19,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:58:19,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:58:19,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:58:19,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:58:19,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:58:19,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 23:58:19,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:58:19,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 23:58:19,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 23:58:19,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 23:58:19,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 23:58:19,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:58:19,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 23:58:19,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-16 23:58:19,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 23:58:19,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 23:58:19,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 23:58:19,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:58:21,709 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2021-06-16 23:58:22,395 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 156 [2021-06-16 23:58:22,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:58:22,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:58:22,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:58:22,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:58:22,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:58:22,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:58:22,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:58:22,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:58:22,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:58:22,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:58:22,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:58:22,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:58:22,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:58:22,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:58:22,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 23:58:22,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:58:22,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 23:58:22,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 23:58:22,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 23:58:22,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 23:58:22,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:58:22,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 23:58:22,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-16 23:58:22,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 23:58:22,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 23:58:22,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 23:58:22,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:58:22,758 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable335 [2021-06-16 23:58:22,758 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:58:22,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:58:22,759 INFO L82 PathProgramCache]: Analyzing trace with hash 2047553944, now seen corresponding path program 26 times [2021-06-16 23:58:22,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:58:22,759 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566861023] [2021-06-16 23:58:22,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:58:22,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:58:23,306 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:58:23,307 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:58:23,307 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566861023] [2021-06-16 23:58:23,307 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566861023] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:58:23,307 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [484527120] [2021-06-16 23:58:23,307 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:58:23,371 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 23:58:23,371 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:58:23,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 62 conjunts are in the unsatisfiable core [2021-06-16 23:58:23,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:58:23,968 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:58:23,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-16 23:58:23,975 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 23:58:23,977 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 15 treesize of output 11 [2021-06-16 23:58:23,977 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 23:58:23,992 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-16 23:58:23,992 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-16 23:58:23,992 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 23:58:23,993 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-16 23:58:24,034 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:58:24,034 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [484527120] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:58:24,034 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:58:24,034 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 46 [2021-06-16 23:58:24,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256816570] [2021-06-16 23:58:24,035 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-06-16 23:58:24,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:58:24,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-06-16 23:58:24,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1953, Unknown=0, NotChecked=0, Total=2070 [2021-06-16 23:58:24,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:58:24,036 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:58:24,036 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 1.2173913043478262) internal successors, (56), 46 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:58:24,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:58:24,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:58:24,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:58:24,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:58:24,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:58:24,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:58:24,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:58:24,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:58:24,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:58:24,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:58:24,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:58:24,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:58:24,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:58:24,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:58:24,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 23:58:24,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:58:24,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 23:58:24,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 23:58:24,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 23:58:24,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 23:58:24,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:58:24,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 23:58:24,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-16 23:58:24,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 23:58:24,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 23:58:24,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 23:58:24,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:58:24,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:58:24,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:58:24,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:58:24,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:58:24,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:58:24,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:58:24,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:58:24,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:58:24,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:58:24,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:58:24,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:58:24,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:58:24,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:58:24,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:58:24,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:58:24,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 23:58:24,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:58:24,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 23:58:24,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 23:58:24,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 23:58:24,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 23:58:24,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:58:24,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 23:58:24,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-16 23:58:24,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 23:58:24,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 23:58:24,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 23:58:24,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:58:24,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-16 23:58:25,073 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable375 [2021-06-16 23:58:25,074 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:58:25,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:58:25,074 INFO L82 PathProgramCache]: Analyzing trace with hash -1117655962, now seen corresponding path program 27 times [2021-06-16 23:58:25,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:58:25,074 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422176214] [2021-06-16 23:58:25,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:58:25,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:58:27,243 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:58:27,244 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:58:27,244 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422176214] [2021-06-16 23:58:27,244 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422176214] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:58:27,244 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [927493069] [2021-06-16 23:58:27,244 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:58:27,304 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-06-16 23:58:27,304 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:58:27,306 WARN L261 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 173 conjunts are in the unsatisfiable core [2021-06-16 23:58:27,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:58:29,806 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-06-16 23:58:30,238 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-06-16 23:58:30,707 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-06-16 23:58:31,221 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-06-16 23:58:31,775 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-06-16 23:58:32,380 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-06-16 23:58:32,921 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-06-16 23:58:33,492 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-06-16 23:58:34,353 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-06-16 23:58:34,902 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-06-16 23:58:35,503 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 153 [2021-06-16 23:58:36,016 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-06-16 23:58:36,518 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 153 [2021-06-16 23:58:36,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,643 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:58:36,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:36,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 91 disjoint index pairs (out of 105 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 168 treesize of output 110 [2021-06-16 23:58:36,667 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 23:58:36,705 INFO L628 ElimStorePlain]: treesize reduction 371, result has 2.9 percent of original size [2021-06-16 23:58:36,705 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-16 23:58:36,705 INFO L518 ElimStorePlain]: Eliminatee v_prenex_141 vanished before elimination [2021-06-16 23:58:36,706 INFO L518 ElimStorePlain]: Eliminatee v_prenex_142 vanished before elimination [2021-06-16 23:58:36,706 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 23:58:36,706 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:536, output treesize:11 [2021-06-16 23:58:36,814 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:58:36,814 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [927493069] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:58:36,814 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:58:36,814 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 32] total 63 [2021-06-16 23:58:36,814 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704673073] [2021-06-16 23:58:36,815 INFO L462 AbstractCegarLoop]: Interpolant automaton has 63 states [2021-06-16 23:58:36,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:58:36,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-06-16 23:58:36,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=3768, Unknown=0, NotChecked=0, Total=3906 [2021-06-16 23:58:36,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:58:36,816 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:58:36,816 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 63 states, 63 states have (on average 1.1428571428571428) internal successors, (72), 63 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:58:36,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:58:36,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:58:36,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:58:36,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:58:36,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:58:36,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:58:36,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:58:36,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:58:36,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:58:36,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:58:36,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:58:36,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:58:36,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:58:36,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:58:36,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 23:58:36,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:58:36,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 23:58:36,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 23:58:36,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 23:58:36,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 23:58:36,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:58:36,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 23:58:36,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-16 23:58:36,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 23:58:36,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 23:58:36,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 23:58:36,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:58:36,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-16 23:58:36,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:58:39,481 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 98 [2021-06-16 23:58:40,179 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 111 [2021-06-16 23:58:40,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:58:40,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:58:40,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:58:40,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:58:40,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:58:40,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:58:40,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:58:40,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:58:40,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:58:40,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:58:40,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:58:40,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:58:40,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:58:40,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:58:40,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 23:58:40,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:58:40,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 23:58:40,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 23:58:40,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 23:58:40,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 23:58:40,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:58:40,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 23:58:40,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-16 23:58:40,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 23:58:40,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 23:58:40,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 23:58:40,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:58:40,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-16 23:58:40,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:58:40,599 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable377 [2021-06-16 23:58:40,600 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:58:40,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:58:40,600 INFO L82 PathProgramCache]: Analyzing trace with hash -1062651746, now seen corresponding path program 28 times [2021-06-16 23:58:40,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:58:40,600 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828885493] [2021-06-16 23:58:40,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:58:40,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:58:41,202 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:58:41,203 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:58:41,203 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828885493] [2021-06-16 23:58:41,203 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828885493] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:58:41,203 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1442241429] [2021-06-16 23:58:41,203 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:58:41,257 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-16 23:58:41,257 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:58:41,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 66 conjunts are in the unsatisfiable core [2021-06-16 23:58:41,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:58:41,886 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:58:41,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-16 23:58:41,887 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 23:58:41,890 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 16 treesize of output 12 [2021-06-16 23:58:41,891 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 23:58:41,905 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-16 23:58:41,905 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-16 23:58:41,906 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 23:58:41,906 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-16 23:58:41,949 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:58:41,950 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1442241429] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:58:41,950 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:58:41,950 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 49 [2021-06-16 23:58:41,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487013277] [2021-06-16 23:58:41,950 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-06-16 23:58:41,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:58:41,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-06-16 23:58:41,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=2227, Unknown=0, NotChecked=0, Total=2352 [2021-06-16 23:58:41,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:58:41,952 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:58:41,952 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 1.2040816326530612) internal successors, (59), 49 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:58:41,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:58:41,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:58:41,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:58:41,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:58:41,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:58:41,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:58:41,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:58:41,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:58:41,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:58:41,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:58:41,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:58:41,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:58:41,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:58:41,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:58:41,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 23:58:41,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:58:41,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 23:58:41,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 23:58:41,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 23:58:41,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 23:58:41,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:58:41,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 23:58:41,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-16 23:58:41,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 23:58:41,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 23:58:41,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 23:58:41,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:58:41,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-16 23:58:41,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:58:41,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:58:42,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:58:42,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:58:42,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:58:42,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:58:42,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:58:42,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:58:42,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:58:42,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:58:42,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:58:42,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:58:42,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:58:42,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:58:42,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:58:42,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:58:42,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 23:58:42,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:58:42,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 23:58:42,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 23:58:42,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 23:58:42,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 23:58:42,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:58:42,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 23:58:42,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-16 23:58:42,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 23:58:42,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 23:58:42,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 23:58:42,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:58:42,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-16 23:58:42,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:58:42,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-16 23:58:43,148 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable419,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:58:43,149 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:58:43,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:58:43,149 INFO L82 PathProgramCache]: Analyzing trace with hash 1250215456, now seen corresponding path program 29 times [2021-06-16 23:58:43,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:58:43,149 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452793680] [2021-06-16 23:58:43,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:58:43,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:58:44,274 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:58:44,275 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:58:44,275 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452793680] [2021-06-16 23:58:44,275 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452793680] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:58:44,275 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [121757820] [2021-06-16 23:58:44,275 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:58:44,339 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2021-06-16 23:58:44,340 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:58:44,342 WARN L261 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 185 conjunts are in the unsatisfiable core [2021-06-16 23:58:44,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:58:46,483 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2021-06-16 23:58:46,983 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-06-16 23:58:47,558 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-06-16 23:58:48,168 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-06-16 23:58:48,753 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-06-16 23:58:49,245 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-06-16 23:58:49,803 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-06-16 23:58:50,274 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-06-16 23:58:50,878 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-06-16 23:58:51,551 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-06-16 23:58:52,049 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-06-16 23:58:52,629 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 162 [2021-06-16 23:58:53,240 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-06-16 23:58:53,740 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-06-16 23:58:54,239 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 162 [2021-06-16 23:58:54,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,371 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:58:54,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,440 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:58:54,501 INFO L244 Elim1Store]: Index analysis took 143 ms [2021-06-16 23:58:54,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 105 disjoint index pairs (out of 120 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 119 [2021-06-16 23:58:54,507 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 23:58:54,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,524 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:58:54,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:58:54,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 105 disjoint index pairs (out of 120 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 179 treesize of output 117 [2021-06-16 23:58:54,581 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 23:58:54,596 INFO L628 ElimStorePlain]: treesize reduction 227, result has 4.6 percent of original size [2021-06-16 23:58:54,596 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-16 23:58:54,596 INFO L518 ElimStorePlain]: Eliminatee v_prenex_154 vanished before elimination [2021-06-16 23:58:54,596 INFO L518 ElimStorePlain]: Eliminatee v_prenex_155 vanished before elimination [2021-06-16 23:58:54,596 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 23:58:54,596 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:569, output treesize:11 [2021-06-16 23:58:54,684 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:58:54,685 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [121757820] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:58:54,685 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:58:54,685 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 34] total 66 [2021-06-16 23:58:54,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607327523] [2021-06-16 23:58:54,685 INFO L462 AbstractCegarLoop]: Interpolant automaton has 66 states [2021-06-16 23:58:54,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:58:54,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-06-16 23:58:54,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=4130, Unknown=0, NotChecked=0, Total=4290 [2021-06-16 23:58:54,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:58:54,686 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:58:54,687 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 66 states, 66 states have (on average 1.1515151515151516) internal successors, (76), 66 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:58:54,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:58:54,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:58:54,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:58:54,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:58:54,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:58:54,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:58:54,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:58:54,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:58:54,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:58:54,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:58:54,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:58:54,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:58:54,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:58:54,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:58:54,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 23:58:54,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:58:54,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 23:58:54,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 23:58:54,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 23:58:54,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 23:58:54,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:58:54,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 23:58:54,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-16 23:58:54,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 23:58:54,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 23:58:54,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 23:58:54,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:58:54,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-16 23:58:54,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:58:54,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-16 23:58:54,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:58:58,205 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 95 [2021-06-16 23:58:58,913 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 107 [2021-06-16 23:58:59,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:58:59,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:58:59,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:58:59,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:58:59,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:58:59,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:58:59,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:58:59,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:58:59,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:58:59,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:58:59,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:58:59,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:58:59,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:58:59,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:58:59,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 23:58:59,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:58:59,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 23:58:59,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 23:58:59,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 23:58:59,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 23:58:59,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:58:59,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 23:58:59,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-16 23:58:59,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 23:58:59,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 23:58:59,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 23:58:59,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:58:59,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-16 23:58:59,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:58:59,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-16 23:58:59,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-16 23:58:59,300 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable421 [2021-06-16 23:58:59,301 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:58:59,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:58:59,301 INFO L82 PathProgramCache]: Analyzing trace with hash -1725307816, now seen corresponding path program 30 times [2021-06-16 23:58:59,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:58:59,301 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999929344] [2021-06-16 23:58:59,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:58:59,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:59:00,010 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:59:00,010 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:59:00,010 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999929344] [2021-06-16 23:59:00,010 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999929344] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:59:00,010 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1235569601] [2021-06-16 23:59:00,010 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:59:00,078 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-06-16 23:59:00,078 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:59:00,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 72 conjunts are in the unsatisfiable core [2021-06-16 23:59:00,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:59:00,792 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:59:00,793 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 16 treesize of output 12 [2021-06-16 23:59:00,794 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 23:59:00,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-16 23:59:00,796 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 23:59:00,810 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-16 23:59:00,810 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-16 23:59:00,811 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 23:59:00,811 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-16 23:59:00,856 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:59:00,857 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1235569601] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:59:00,857 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:59:00,857 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 52 [2021-06-16 23:59:00,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676178503] [2021-06-16 23:59:00,857 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-06-16 23:59:00,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:59:00,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-06-16 23:59:00,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=2519, Unknown=0, NotChecked=0, Total=2652 [2021-06-16 23:59:00,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:59:00,858 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:59:00,858 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 1.1923076923076923) internal successors, (62), 52 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:59:00,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:59:00,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:59:00,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:59:00,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:59:00,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:59:00,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:59:00,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:59:00,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:59:00,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:59:00,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:59:00,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:59:00,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:59:00,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:59:00,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:59:00,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 23:59:00,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:59:00,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 23:59:00,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 23:59:00,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 23:59:00,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 23:59:00,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:59:00,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 23:59:00,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-16 23:59:00,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 23:59:00,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 23:59:00,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 23:59:00,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:59:00,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-16 23:59:00,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:59:00,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-16 23:59:00,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-16 23:59:00,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:59:02,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:59:02,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:59:02,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:59:02,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:59:02,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:59:02,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:59:02,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:59:02,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:59:02,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:59:02,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:59:02,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:59:02,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:59:02,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:59:02,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:59:02,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 23:59:02,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:59:02,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 23:59:02,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 23:59:02,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 23:59:02,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 23:59:02,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:59:02,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 23:59:02,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-16 23:59:02,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 23:59:02,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 23:59:02,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 23:59:02,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:59:02,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-16 23:59:02,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:59:02,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-16 23:59:02,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-16 23:59:02,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 23:59:02,549 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable469 [2021-06-16 23:59:02,549 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:59:02,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:59:02,549 INFO L82 PathProgramCache]: Analyzing trace with hash -2112253530, now seen corresponding path program 31 times [2021-06-16 23:59:02,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:59:02,549 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270250168] [2021-06-16 23:59:02,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:59:02,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:59:04,488 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:59:04,489 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:59:04,489 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270250168] [2021-06-16 23:59:04,489 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270250168] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:59:04,489 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1434433205] [2021-06-16 23:59:04,489 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:59:04,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:59:04,549 WARN L261 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 197 conjunts are in the unsatisfiable core [2021-06-16 23:59:04,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:59:06,934 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-06-16 23:59:07,609 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-06-16 23:59:08,229 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-06-16 23:59:08,916 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-06-16 23:59:09,572 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-06-16 23:59:10,105 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-06-16 23:59:10,686 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-06-16 23:59:11,395 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-06-16 23:59:12,082 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-06-16 23:59:12,716 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-06-16 23:59:13,338 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-06-16 23:59:14,006 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-06-16 23:59:14,633 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-06-16 23:59:15,329 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 171 [2021-06-16 23:59:15,954 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-06-16 23:59:16,578 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 171 [2021-06-16 23:59:16,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,738 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:59:16,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:16,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 120 disjoint index pairs (out of 136 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 190 treesize of output 124 [2021-06-16 23:59:16,778 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 23:59:16,822 INFO L628 ElimStorePlain]: treesize reduction 419, result has 2.6 percent of original size [2021-06-16 23:59:16,822 INFO L518 ElimStorePlain]: Eliminatee v_prenex_173 vanished before elimination [2021-06-16 23:59:16,822 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-16 23:59:16,822 INFO L518 ElimStorePlain]: Eliminatee v_prenex_174 vanished before elimination [2021-06-16 23:59:16,823 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 23:59:16,823 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:602, output treesize:11 [2021-06-16 23:59:16,834 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:59:16,834 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1434433205] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:59:16,834 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:59:16,834 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 36] total 69 [2021-06-16 23:59:16,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170947664] [2021-06-16 23:59:16,835 INFO L462 AbstractCegarLoop]: Interpolant automaton has 69 states [2021-06-16 23:59:16,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:59:16,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2021-06-16 23:59:16,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=4525, Unknown=0, NotChecked=0, Total=4692 [2021-06-16 23:59:16,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:59:16,836 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:59:16,836 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 69 states, 69 states have (on average 1.1014492753623188) internal successors, (76), 69 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:59:16,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:59:16,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:59:16,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:59:16,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:59:16,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:59:16,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:59:16,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:59:16,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:59:16,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:59:16,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:59:16,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:59:16,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:59:16,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:59:16,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:59:16,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 23:59:16,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:59:16,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 23:59:16,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 23:59:16,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 23:59:16,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 23:59:16,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:59:16,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 23:59:16,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-16 23:59:16,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 23:59:16,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 23:59:16,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 23:59:16,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:59:16,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-16 23:59:16,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:59:16,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-16 23:59:16,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-16 23:59:16,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 23:59:16,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:59:21,406 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2021-06-16 23:59:22,175 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 113 [2021-06-16 23:59:22,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:59:22,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:59:22,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:59:22,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:59:22,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:59:22,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:59:22,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:59:22,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:59:22,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:59:22,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:59:22,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:59:22,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:59:22,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:59:22,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:59:22,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 23:59:22,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:59:22,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 23:59:22,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 23:59:22,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 23:59:22,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 23:59:22,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:59:22,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 23:59:22,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-16 23:59:22,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 23:59:22,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 23:59:22,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 23:59:22,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:59:22,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-16 23:59:22,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:59:22,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-16 23:59:22,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-16 23:59:22,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 23:59:22,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-16 23:59:22,592 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable471,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:59:22,593 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:59:22,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:59:22,593 INFO L82 PathProgramCache]: Analyzing trace with hash -1141898786, now seen corresponding path program 32 times [2021-06-16 23:59:22,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:59:22,593 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72132237] [2021-06-16 23:59:22,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:59:22,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:59:23,348 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:59:23,348 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:59:23,348 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72132237] [2021-06-16 23:59:23,348 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72132237] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:59:23,348 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1837341367] [2021-06-16 23:59:23,348 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:59:23,406 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 23:59:23,406 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:59:23,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 74 conjunts are in the unsatisfiable core [2021-06-16 23:59:23,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:59:24,221 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:59:24,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-16 23:59:24,224 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 23:59:24,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-16 23:59:24,226 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 23:59:24,241 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-16 23:59:24,241 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-16 23:59:24,241 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 23:59:24,241 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-16 23:59:24,289 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:59:24,289 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1837341367] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:59:24,289 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:59:24,290 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 55 [2021-06-16 23:59:24,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265217442] [2021-06-16 23:59:24,290 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-06-16 23:59:24,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:59:24,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-06-16 23:59:24,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=2829, Unknown=0, NotChecked=0, Total=2970 [2021-06-16 23:59:24,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:59:24,291 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:59:24,291 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 55 states, 55 states have (on average 1.1818181818181819) internal successors, (65), 55 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:59:24,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:59:24,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:59:24,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:59:24,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:59:24,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:59:24,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:59:24,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:59:24,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:59:24,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:59:24,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:59:24,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:59:24,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:59:24,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:59:24,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:59:24,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 23:59:24,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:59:24,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 23:59:24,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 23:59:24,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 23:59:24,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 23:59:24,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:59:24,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 23:59:24,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-16 23:59:24,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 23:59:24,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 23:59:24,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 23:59:24,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:59:24,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-16 23:59:24,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:59:24,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-16 23:59:24,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-16 23:59:24,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 23:59:24,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-16 23:59:24,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:59:25,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:59:25,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:59:25,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:59:25,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:59:25,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:59:25,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:59:25,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:59:25,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:59:25,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:59:25,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:59:25,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:59:25,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:59:25,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:59:25,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:59:25,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 23:59:25,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:59:25,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 23:59:25,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 23:59:25,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 23:59:25,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 23:59:25,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:59:25,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 23:59:25,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-16 23:59:25,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 23:59:25,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 23:59:25,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 23:59:25,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:59:25,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-16 23:59:25,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:59:25,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-16 23:59:25,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-16 23:59:25,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 23:59:25,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-16 23:59:25,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-16 23:59:26,019 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable519,35 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:59:26,020 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:59:26,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:59:26,020 INFO L82 PathProgramCache]: Analyzing trace with hash -1206442784, now seen corresponding path program 33 times [2021-06-16 23:59:26,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:59:26,020 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434531737] [2021-06-16 23:59:26,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:59:26,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:59:28,332 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:59:28,332 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:59:28,332 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434531737] [2021-06-16 23:59:28,332 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434531737] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:59:28,332 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2056372452] [2021-06-16 23:59:28,332 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:59:28,408 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-06-16 23:59:28,409 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:59:28,411 WARN L261 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 209 conjunts are in the unsatisfiable core [2021-06-16 23:59:28,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:59:30,825 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-06-16 23:59:31,193 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2021-06-16 23:59:31,919 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-06-16 23:59:32,645 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-06-16 23:59:33,298 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-06-16 23:59:34,075 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-06-16 23:59:34,863 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-06-16 23:59:35,533 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-06-16 23:59:36,240 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-06-16 23:59:37,032 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-06-16 23:59:37,717 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-06-16 23:59:38,534 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-06-16 23:59:39,161 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-06-16 23:59:40,776 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 335 DAG size of output: 180 [2021-06-16 23:59:41,424 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-06-16 23:59:42,059 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-06-16 23:59:42,750 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-06-16 23:59:43,455 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 180 [2021-06-16 23:59:43,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,592 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:59:43,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 23:59:43,654 INFO L244 Elim1Store]: Index analysis took 113 ms [2021-06-16 23:59:43,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 136 disjoint index pairs (out of 153 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 201 treesize of output 131 [2021-06-16 23:59:43,662 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 23:59:43,710 INFO L628 ElimStorePlain]: treesize reduction 437, result has 2.5 percent of original size [2021-06-16 23:59:43,710 INFO L518 ElimStorePlain]: Eliminatee v_prenex_191 vanished before elimination [2021-06-16 23:59:43,710 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-06-16 23:59:43,710 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-16 23:59:43,711 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 23:59:43,711 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:635, output treesize:11 [2021-06-16 23:59:43,819 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:59:43,819 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2056372452] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:59:43,819 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:59:43,820 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 38] total 74 [2021-06-16 23:59:43,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541290659] [2021-06-16 23:59:43,820 INFO L462 AbstractCegarLoop]: Interpolant automaton has 74 states [2021-06-16 23:59:43,820 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:59:43,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2021-06-16 23:59:43,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=5222, Unknown=0, NotChecked=0, Total=5402 [2021-06-16 23:59:43,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:59:43,821 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:59:43,822 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 74 states, 74 states have (on average 1.135135135135135) internal successors, (84), 74 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:59:43,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:59:43,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:59:43,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:59:43,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:59:43,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:59:43,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:59:43,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:59:43,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:59:43,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:59:43,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:59:43,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:59:43,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:59:43,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:59:43,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:59:43,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 23:59:43,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:59:43,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 23:59:43,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 23:59:43,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 23:59:43,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 23:59:43,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:59:43,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 23:59:43,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-16 23:59:43,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 23:59:43,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 23:59:43,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 23:59:43,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:59:43,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-16 23:59:43,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:59:43,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-16 23:59:43,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-16 23:59:43,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 23:59:43,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-16 23:59:43,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-16 23:59:43,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:59:48,830 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 113 [2021-06-16 23:59:49,715 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 123 [2021-06-16 23:59:49,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:59:49,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:59:49,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:59:49,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:59:49,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:59:49,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:59:49,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:59:49,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:59:49,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:59:49,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:59:49,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:59:49,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:59:49,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:59:49,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:59:49,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 23:59:49,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:59:49,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 23:59:49,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 23:59:49,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 23:59:49,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 23:59:49,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:59:49,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 23:59:49,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-16 23:59:49,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 23:59:49,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 23:59:49,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 23:59:49,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:59:49,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-16 23:59:49,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:59:49,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-16 23:59:49,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-16 23:59:49,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 23:59:49,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-16 23:59:49,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-16 23:59:49,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-16 23:59:50,129 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable521 [2021-06-16 23:59:50,130 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:59:50,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:59:50,130 INFO L82 PathProgramCache]: Analyzing trace with hash -703437032, now seen corresponding path program 34 times [2021-06-16 23:59:50,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:59:50,130 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667641976] [2021-06-16 23:59:50,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:59:50,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:59:50,968 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:59:50,968 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:59:50,968 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667641976] [2021-06-16 23:59:50,968 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667641976] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:59:50,968 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1532925356] [2021-06-16 23:59:50,969 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:59:51,035 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-16 23:59:51,035 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:59:51,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 78 conjunts are in the unsatisfiable core [2021-06-16 23:59:51,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:59:51,917 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 23:59:51,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-16 23:59:51,918 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 23:59:51,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-16 23:59:51,920 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 23:59:51,935 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-16 23:59:51,935 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-16 23:59:51,935 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 23:59:51,935 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-16 23:59:51,985 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:59:51,986 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1532925356] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:59:51,986 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 23:59:51,986 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39] total 58 [2021-06-16 23:59:51,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171494210] [2021-06-16 23:59:51,986 INFO L462 AbstractCegarLoop]: Interpolant automaton has 58 states [2021-06-16 23:59:51,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:59:51,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-06-16 23:59:51,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=3157, Unknown=0, NotChecked=0, Total=3306 [2021-06-16 23:59:51,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:59:51,987 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:59:51,988 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 58 states, 58 states have (on average 1.1724137931034482) internal successors, (68), 58 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:59:51,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:59:51,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:59:51,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:59:51,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:59:51,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:59:51,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:59:51,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:59:51,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:59:51,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:59:51,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:59:51,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:59:51,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:59:51,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:59:51,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:59:51,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 23:59:51,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:59:51,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 23:59:51,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 23:59:51,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 23:59:51,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 23:59:51,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:59:51,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 23:59:51,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-16 23:59:51,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 23:59:51,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 23:59:51,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 23:59:51,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:59:51,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-16 23:59:51,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:59:51,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-16 23:59:51,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-16 23:59:51,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 23:59:51,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-16 23:59:51,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-16 23:59:51,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-16 23:59:51,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:59:53,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 23:59:53,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 23:59:53,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 23:59:53,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:59:53,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 23:59:53,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 23:59:53,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 23:59:53,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:59:53,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 23:59:53,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 23:59:53,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 23:59:53,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:59:53,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 23:59:53,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 23:59:53,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 23:59:53,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:59:53,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 23:59:53,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 23:59:53,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 23:59:53,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 23:59:53,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 23:59:53,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 23:59:53,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-16 23:59:53,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 23:59:53,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 23:59:53,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 23:59:53,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:59:53,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-16 23:59:53,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 23:59:53,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-16 23:59:53,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-16 23:59:53,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 23:59:53,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-16 23:59:53,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-16 23:59:53,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-16 23:59:53,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 23:59:53,919 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable573 [2021-06-16 23:59:53,919 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:59:53,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:59:53,919 INFO L82 PathProgramCache]: Analyzing trace with hash -499030298, now seen corresponding path program 35 times [2021-06-16 23:59:53,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:59:53,919 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253283649] [2021-06-16 23:59:53,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:59:53,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:59:56,651 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:59:56,651 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:59:56,651 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253283649] [2021-06-16 23:59:56,651 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253283649] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 23:59:56,651 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926763059] [2021-06-16 23:59:56,651 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 23:59:56,726 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2021-06-16 23:59:56,727 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 23:59:56,729 WARN L261 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 221 conjunts are in the unsatisfiable core [2021-06-16 23:59:56,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 23:59:59,411 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-06-16 23:59:59,849 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-06-17 00:00:00,640 WARN L205 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2021-06-17 00:00:01,448 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 189 [2021-06-17 00:00:02,196 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2021-06-17 00:00:03,133 WARN L205 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2021-06-17 00:00:03,913 WARN L205 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2021-06-17 00:00:04,693 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2021-06-17 00:00:05,553 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 189 [2021-06-17 00:00:06,448 WARN L205 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 189 [2021-06-17 00:00:07,229 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2021-06-17 00:00:08,093 WARN L205 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2021-06-17 00:00:08,862 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2021-06-17 00:00:09,616 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 189 [2021-06-17 00:00:10,538 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 189 [2021-06-17 00:00:11,469 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 189 [2021-06-17 00:00:12,424 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 189 [2021-06-17 00:00:13,301 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 189 [2021-06-17 00:00:14,237 WARN L205 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 189 [2021-06-17 00:00:14,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,368 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 00:00:14,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,477 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 00:00:14,555 INFO L244 Elim1Store]: Index analysis took 221 ms [2021-06-17 00:00:14,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 153 disjoint index pairs (out of 171 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 212 treesize of output 138 [2021-06-17 00:00:14,562 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 00:00:14,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,600 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 00:00:14,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:14,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 153 disjoint index pairs (out of 171 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 214 treesize of output 140 [2021-06-17 00:00:14,670 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 00:00:14,685 INFO L628 ElimStorePlain]: treesize reduction 266, result has 4.0 percent of original size [2021-06-17 00:00:14,685 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-06-17 00:00:14,685 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 00:00:14,685 INFO L518 ElimStorePlain]: Eliminatee v_prenex_210 vanished before elimination [2021-06-17 00:00:14,686 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 00:00:14,686 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:668, output treesize:11 [2021-06-17 00:00:14,696 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 00:00:14,696 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [926763059] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:00:14,696 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 00:00:14,696 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 40] total 77 [2021-06-17 00:00:14,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466125469] [2021-06-17 00:00:14,697 INFO L462 AbstractCegarLoop]: Interpolant automaton has 77 states [2021-06-17 00:00:14,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 00:00:14,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2021-06-17 00:00:14,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=5665, Unknown=0, NotChecked=0, Total=5852 [2021-06-17 00:00:14,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:00:14,698 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 00:00:14,699 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 77 states, 77 states have (on average 1.0909090909090908) internal successors, (84), 77 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 00:00:14,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:00:14,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:00:14,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:00:14,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:00:14,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:00:14,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:00:14,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 00:00:14,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:00:14,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 00:00:14,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 00:00:14,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 00:00:14,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 00:00:14,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:00:14,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:00:14,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 00:00:14,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 00:00:14,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 00:00:14,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 00:00:14,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 00:00:14,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 00:00:14,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 00:00:14,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 00:00:14,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:00:14,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 00:00:14,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-17 00:00:14,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 00:00:14,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 00:00:14,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-17 00:00:14,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 00:00:14,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 00:00:14,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-17 00:00:14,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 00:00:14,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-17 00:00:14,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 00:00:14,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-17 00:00:14,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-17 00:00:14,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:00:20,924 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 112 [2021-06-17 00:00:21,931 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 200 [2021-06-17 00:00:22,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:00:22,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:00:22,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:00:22,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:00:22,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:00:22,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:00:22,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 00:00:22,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:00:22,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 00:00:22,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 00:00:22,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 00:00:22,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 00:00:22,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:00:22,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:00:22,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 00:00:22,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 00:00:22,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 00:00:22,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 00:00:22,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 00:00:22,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 00:00:22,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 00:00:22,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 00:00:22,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:00:22,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 00:00:22,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-17 00:00:22,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 00:00:22,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 00:00:22,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-17 00:00:22,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 00:00:22,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 00:00:22,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-17 00:00:22,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 00:00:22,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-17 00:00:22,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 00:00:22,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-17 00:00:22,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-17 00:00:22,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-17 00:00:22,410 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable575 [2021-06-17 00:00:22,410 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 00:00:22,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 00:00:22,411 INFO L82 PathProgramCache]: Analyzing trace with hash 1853160222, now seen corresponding path program 36 times [2021-06-17 00:00:22,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 00:00:22,411 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75935207] [2021-06-17 00:00:22,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 00:00:22,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:00:23,399 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 0 proven. 361 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 00:00:23,400 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 00:00:23,400 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75935207] [2021-06-17 00:00:23,400 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75935207] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:00:23,400 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1923700000] [2021-06-17 00:00:23,400 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 00:00:23,485 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2021-06-17 00:00:23,485 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 00:00:23,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 82 conjunts are in the unsatisfiable core [2021-06-17 00:00:23,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 00:00:24,489 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 00:00:24,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 00:00:24,490 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 00:00:24,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 00:00:24,493 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 00:00:24,507 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-17 00:00:24,508 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 00:00:24,508 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 00:00:24,508 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-17 00:00:24,561 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 0 proven. 361 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 00:00:24,562 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1923700000] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:00:24,562 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 00:00:24,562 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 41] total 61 [2021-06-17 00:00:24,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354760215] [2021-06-17 00:00:24,562 INFO L462 AbstractCegarLoop]: Interpolant automaton has 61 states [2021-06-17 00:00:24,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 00:00:24,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2021-06-17 00:00:24,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=3503, Unknown=0, NotChecked=0, Total=3660 [2021-06-17 00:00:24,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:00:24,563 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 00:00:24,563 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 61 states, 61 states have (on average 1.1639344262295082) internal successors, (71), 61 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 00:00:24,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:00:24,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:00:24,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:00:24,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:00:24,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:00:24,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:00:24,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 00:00:24,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:00:24,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 00:00:24,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 00:00:24,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 00:00:24,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 00:00:24,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:00:24,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:00:24,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 00:00:24,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 00:00:24,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 00:00:24,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 00:00:24,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 00:00:24,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 00:00:24,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 00:00:24,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 00:00:24,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:00:24,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 00:00:24,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-17 00:00:24,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 00:00:24,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 00:00:24,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-17 00:00:24,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 00:00:24,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 00:00:24,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-17 00:00:24,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 00:00:24,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-17 00:00:24,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 00:00:24,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-17 00:00:24,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-17 00:00:24,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-17 00:00:24,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:00:26,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:00:26,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:00:26,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:00:26,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:00:26,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:00:26,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:00:26,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 00:00:26,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:00:26,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 00:00:26,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 00:00:26,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 00:00:26,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 00:00:26,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:00:26,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:00:26,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 00:00:26,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 00:00:26,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 00:00:26,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 00:00:26,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 00:00:26,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 00:00:26,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 00:00:26,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 00:00:26,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:00:26,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 00:00:26,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-17 00:00:26,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 00:00:26,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 00:00:26,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-17 00:00:26,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 00:00:26,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 00:00:26,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-17 00:00:26,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 00:00:26,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-17 00:00:26,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 00:00:26,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-17 00:00:26,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-17 00:00:26,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-17 00:00:26,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-17 00:00:26,757 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable629,39 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 00:00:26,759 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 00:00:26,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 00:00:26,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1446073248, now seen corresponding path program 37 times [2021-06-17 00:00:26,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 00:00:26,760 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998161200] [2021-06-17 00:00:26,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 00:00:26,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:00:27,724 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2021-06-17 00:00:27,896 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2021-06-17 00:00:28,048 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2021-06-17 00:00:28,350 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2021-06-17 00:00:30,656 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 00:00:30,656 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 00:00:30,656 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998161200] [2021-06-17 00:00:30,656 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998161200] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:00:30,656 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2016179435] [2021-06-17 00:00:30,656 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 00:00:30,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:00:30,726 WARN L261 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 233 conjunts are in the unsatisfiable core [2021-06-17 00:00:30,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 00:00:34,058 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-06-17 00:00:34,571 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2021-06-17 00:00:35,449 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 198 [2021-06-17 00:00:36,365 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 198 [2021-06-17 00:00:37,406 WARN L205 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 198 [2021-06-17 00:00:38,191 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 198 [2021-06-17 00:00:39,126 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 198 [2021-06-17 00:00:39,979 WARN L205 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 198 [2021-06-17 00:00:40,957 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 198 [2021-06-17 00:00:41,838 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 198 [2021-06-17 00:00:42,833 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 198 [2021-06-17 00:00:44,046 WARN L205 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 198 [2021-06-17 00:00:45,219 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 198 [2021-06-17 00:00:46,205 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 198 [2021-06-17 00:00:47,274 WARN L205 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 198 [2021-06-17 00:00:48,328 WARN L205 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 198 [2021-06-17 00:00:49,425 WARN L205 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 198 [2021-06-17 00:00:50,359 WARN L205 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 198 [2021-06-17 00:00:51,323 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 198 [2021-06-17 00:00:52,338 WARN L205 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 198 [2021-06-17 00:00:52,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,533 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 00:00:52,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:00:52,564 INFO L244 Elim1Store]: Index analysis took 128 ms [2021-06-17 00:00:52,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 171 disjoint index pairs (out of 190 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 223 treesize of output 145 [2021-06-17 00:00:52,573 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 00:00:52,627 INFO L628 ElimStorePlain]: treesize reduction 485, result has 2.2 percent of original size [2021-06-17 00:00:52,627 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 00:00:52,627 INFO L518 ElimStorePlain]: Eliminatee v_prenex_232 vanished before elimination [2021-06-17 00:00:52,627 INFO L518 ElimStorePlain]: Eliminatee v_prenex_233 vanished before elimination [2021-06-17 00:00:52,628 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 00:00:52,628 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:701, output treesize:11 [2021-06-17 00:00:52,761 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 00:00:52,761 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2016179435] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:00:52,761 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 00:00:52,761 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 42] total 82 [2021-06-17 00:00:52,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598711107] [2021-06-17 00:00:52,762 INFO L462 AbstractCegarLoop]: Interpolant automaton has 82 states [2021-06-17 00:00:52,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 00:00:52,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2021-06-17 00:00:52,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=6443, Unknown=0, NotChecked=0, Total=6642 [2021-06-17 00:00:52,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:00:52,762 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 00:00:52,762 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 82 states, 82 states have (on average 1.1219512195121952) internal successors, (92), 82 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 00:00:52,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:00:52,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:00:52,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:00:52,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:00:52,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:00:52,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:00:52,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 00:00:52,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:00:52,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 00:00:52,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 00:00:52,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 00:00:52,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 00:00:52,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:00:52,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:00:52,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 00:00:52,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 00:00:52,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 00:00:52,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 00:00:52,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 00:00:52,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 00:00:52,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 00:00:52,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 00:00:52,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:00:52,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 00:00:52,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-17 00:00:52,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 00:00:52,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 00:00:52,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-17 00:00:52,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 00:00:52,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 00:00:52,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-17 00:00:52,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 00:00:52,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-17 00:00:52,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 00:00:52,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-17 00:00:52,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-17 00:00:52,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-17 00:00:52,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-17 00:00:52,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:00:59,592 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 123 [2021-06-17 00:01:01,196 WARN L205 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 217 [2021-06-17 00:01:01,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:01:01,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:01:01,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:01:01,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:01:01,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:01:01,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:01:01,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 00:01:01,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:01:01,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 00:01:01,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 00:01:01,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 00:01:01,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 00:01:01,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:01:01,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:01:01,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 00:01:01,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 00:01:01,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 00:01:01,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 00:01:01,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 00:01:01,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 00:01:01,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 00:01:01,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 00:01:01,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:01:01,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 00:01:01,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-17 00:01:01,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 00:01:01,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 00:01:01,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-17 00:01:01,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 00:01:01,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 00:01:01,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-17 00:01:01,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 00:01:01,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-17 00:01:01,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 00:01:01,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-17 00:01:01,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-17 00:01:01,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-17 00:01:01,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-17 00:01:01,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-17 00:01:01,624 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable631 [2021-06-17 00:01:01,625 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 00:01:01,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 00:01:01,625 INFO L82 PathProgramCache]: Analyzing trace with hash -1546602024, now seen corresponding path program 38 times [2021-06-17 00:01:01,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 00:01:01,625 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735813360] [2021-06-17 00:01:01,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 00:01:01,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:01:02,769 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 00:01:02,769 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 00:01:02,770 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735813360] [2021-06-17 00:01:02,770 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735813360] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:01:02,770 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [885734819] [2021-06-17 00:01:02,770 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 00:01:02,832 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-17 00:01:02,832 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 00:01:02,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 86 conjunts are in the unsatisfiable core [2021-06-17 00:01:02,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 00:01:03,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 00:01:03,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-17 00:01:03,921 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 00:01:03,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 00:01:03,927 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 00:01:03,942 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-17 00:01:03,943 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 00:01:03,943 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 00:01:03,943 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-17 00:01:03,999 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 00:01:03,999 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [885734819] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:01:03,999 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 00:01:04,000 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 43] total 64 [2021-06-17 00:01:04,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19297850] [2021-06-17 00:01:04,000 INFO L462 AbstractCegarLoop]: Interpolant automaton has 64 states [2021-06-17 00:01:04,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 00:01:04,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2021-06-17 00:01:04,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=3867, Unknown=0, NotChecked=0, Total=4032 [2021-06-17 00:01:04,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:01:04,001 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 00:01:04,001 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 64 states, 64 states have (on average 1.15625) internal successors, (74), 64 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 00:01:04,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:01:04,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:01:04,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:01:04,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:01:04,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:01:04,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:01:04,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 00:01:04,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:01:04,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 00:01:04,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 00:01:04,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 00:01:04,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 00:01:04,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:01:04,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:01:04,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 00:01:04,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 00:01:04,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 00:01:04,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 00:01:04,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 00:01:04,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 00:01:04,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 00:01:04,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 00:01:04,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:01:04,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 00:01:04,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-17 00:01:04,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 00:01:04,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 00:01:04,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-17 00:01:04,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 00:01:04,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 00:01:04,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-17 00:01:04,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 00:01:04,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-17 00:01:04,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 00:01:04,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-17 00:01:04,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-17 00:01:04,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-17 00:01:04,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-17 00:01:04,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-17 00:01:04,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:01:06,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:01:06,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:01:06,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:01:06,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:01:06,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:01:06,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:01:06,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 00:01:06,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:01:06,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 00:01:06,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 00:01:06,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 00:01:06,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 00:01:06,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:01:06,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:01:06,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 00:01:06,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 00:01:06,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 00:01:06,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 00:01:06,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 00:01:06,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 00:01:06,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 00:01:06,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 00:01:06,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:01:06,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 00:01:06,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-17 00:01:06,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 00:01:06,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 00:01:06,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-17 00:01:06,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 00:01:06,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 00:01:06,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-17 00:01:06,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 00:01:06,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-17 00:01:06,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 00:01:06,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-17 00:01:06,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-17 00:01:06,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-17 00:01:06,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-17 00:01:06,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-17 00:01:06,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-17 00:01:06,378 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable686 [2021-06-17 00:01:06,379 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 00:01:06,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 00:01:06,379 INFO L82 PathProgramCache]: Analyzing trace with hash -867341274, now seen corresponding path program 39 times [2021-06-17 00:01:06,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 00:01:06,379 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466120213] [2021-06-17 00:01:06,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 00:01:06,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:01:09,960 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 00:01:09,960 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 00:01:09,960 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466120213] [2021-06-17 00:01:09,960 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466120213] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:01:09,960 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747331078] [2021-06-17 00:01:09,960 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 00:01:10,055 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-06-17 00:01:10,056 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 00:01:10,059 WARN L261 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 245 conjunts are in the unsatisfiable core [2021-06-17 00:01:10,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 00:01:13,662 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2021-06-17 00:01:14,133 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-06-17 00:01:15,100 WARN L205 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 207 [2021-06-17 00:01:16,032 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 207 [2021-06-17 00:01:16,869 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 207 [2021-06-17 00:01:17,856 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 207 [2021-06-17 00:01:18,797 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 207 [2021-06-17 00:01:19,912 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 207 [2021-06-17 00:01:20,961 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 207 [2021-06-17 00:01:21,992 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 207 [2021-06-17 00:01:23,042 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 207 [2021-06-17 00:01:23,975 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 207 [2021-06-17 00:01:25,000 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 207 [2021-06-17 00:01:25,981 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 207 [2021-06-17 00:01:27,035 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 207 [2021-06-17 00:01:27,958 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 207 [2021-06-17 00:01:29,161 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 207 [2021-06-17 00:01:30,269 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 207 [2021-06-17 00:01:31,422 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 207 [2021-06-17 00:01:32,505 WARN L205 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 207 [2021-06-17 00:01:33,666 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 207 [2021-06-17 00:01:33,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,888 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 00:01:33,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:33,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,038 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 00:01:34,059 INFO L244 Elim1Store]: Index analysis took 285 ms [2021-06-17 00:01:34,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 21 select indices, 21 select index equivalence classes, 190 disjoint index pairs (out of 210 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 234 treesize of output 152 [2021-06-17 00:01:34,066 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 00:01:34,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,213 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 00:01:34,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,231 INFO L244 Elim1Store]: Index analysis took 160 ms [2021-06-17 00:01:34,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 21 select indices, 21 select index equivalence classes, 190 disjoint index pairs (out of 210 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 224 treesize of output 144 [2021-06-17 00:01:34,238 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 00:01:34,411 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 123 [2021-06-17 00:01:34,412 INFO L628 ElimStorePlain]: treesize reduction 267, result has 49.1 percent of original size [2021-06-17 00:01:34,412 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 00:01:34,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,509 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 00:01:34,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-17 00:01:34,530 INFO L244 Elim1Store]: Index analysis took 116 ms [2021-06-17 00:01:34,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 21 select indices, 21 select index equivalence classes, 190 disjoint index pairs (out of 210 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 236 treesize of output 154 [2021-06-17 00:01:34,537 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-17 00:01:34,549 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 00:01:34,551 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 00:01:34,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-06-17 00:01:34,552 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-17 00:01:34,562 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-17 00:01:34,563 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-17 00:01:34,563 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:961, output treesize:22 [2021-06-17 00:01:34,756 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 00:01:34,756 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747331078] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:01:34,756 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 00:01:34,756 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 44] total 87 [2021-06-17 00:01:34,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107557143] [2021-06-17 00:01:34,757 INFO L462 AbstractCegarLoop]: Interpolant automaton has 87 states [2021-06-17 00:01:34,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 00:01:34,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-06-17 00:01:34,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=7290, Unknown=0, NotChecked=0, Total=7482 [2021-06-17 00:01:34,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:01:34,758 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 00:01:34,758 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 87 states, 87 states have (on average 1.103448275862069) internal successors, (96), 87 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 00:01:34,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:01:34,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:01:34,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:01:34,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:01:34,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:01:34,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:01:34,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 00:01:34,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:01:34,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 00:01:34,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 00:01:34,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 00:01:34,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 00:01:34,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:01:34,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:01:34,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 00:01:34,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 00:01:34,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 00:01:34,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 00:01:34,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 00:01:34,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 00:01:34,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 00:01:34,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 00:01:34,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:01:34,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 00:01:34,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-17 00:01:34,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 00:01:34,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 00:01:34,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-17 00:01:34,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 00:01:34,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 00:01:34,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-17 00:01:34,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 00:01:34,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-17 00:01:34,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 00:01:34,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-17 00:01:34,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-17 00:01:34,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-17 00:01:34,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-17 00:01:34,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-17 00:01:34,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-17 00:01:34,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:01:41,322 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 128 [2021-06-17 00:01:42,662 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 138 [2021-06-17 00:01:43,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:01:43,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:01:43,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:01:43,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:01:43,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:01:43,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:01:43,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 00:01:43,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:01:43,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 00:01:43,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 00:01:43,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 00:01:43,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 00:01:43,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:01:43,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:01:43,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 00:01:43,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 00:01:43,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 00:01:43,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 00:01:43,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 00:01:43,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 00:01:43,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 00:01:43,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 00:01:43,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:01:43,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 00:01:43,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-17 00:01:43,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 00:01:43,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 00:01:43,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-17 00:01:43,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 00:01:43,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 00:01:43,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-17 00:01:43,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 00:01:43,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-17 00:01:43,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 00:01:43,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-17 00:01:43,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-17 00:01:43,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-17 00:01:43,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-17 00:01:43,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-17 00:01:43,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-17 00:01:43,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 00:01:43,234 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable688 [2021-06-17 00:01:43,234 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 00:01:43,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 00:01:43,234 INFO L82 PathProgramCache]: Analyzing trace with hash 799810654, now seen corresponding path program 40 times [2021-06-17 00:01:43,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 00:01:43,235 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369590455] [2021-06-17 00:01:43,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 00:01:43,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:01:44,524 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 00:01:44,524 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 00:01:44,524 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369590455] [2021-06-17 00:01:44,524 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369590455] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:01:44,524 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [629259762] [2021-06-17 00:01:44,524 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 00:01:44,612 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-17 00:01:44,612 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 00:01:44,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 90 conjunts are in the unsatisfiable core [2021-06-17 00:01:44,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 00:01:45,846 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-17 00:01:45,846 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 15 treesize of output 11 [2021-06-17 00:01:45,847 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-17 00:01:45,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-17 00:01:45,850 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-17 00:01:45,865 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-17 00:01:45,865 INFO L518 ElimStorePlain]: Eliminatee array_2 vanished before elimination [2021-06-17 00:01:45,865 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-17 00:01:45,865 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-17 00:01:45,924 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 00:01:45,925 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [629259762] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:01:45,925 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-17 00:01:45,925 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45] total 67 [2021-06-17 00:01:45,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159037329] [2021-06-17 00:01:45,925 INFO L462 AbstractCegarLoop]: Interpolant automaton has 67 states [2021-06-17 00:01:45,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 00:01:45,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-06-17 00:01:45,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=4249, Unknown=0, NotChecked=0, Total=4422 [2021-06-17 00:01:45,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:01:45,926 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 00:01:45,926 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 67 states, 67 states have (on average 1.1492537313432836) internal successors, (77), 67 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 00:01:45,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:01:45,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:01:45,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:01:45,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:01:45,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:01:45,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:01:45,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 00:01:45,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:01:45,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 00:01:45,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 00:01:45,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-17 00:01:45,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 00:01:45,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:01:45,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:01:45,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 00:01:45,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 00:01:45,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-17 00:01:45,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-17 00:01:45,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-17 00:01:45,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-17 00:01:45,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 00:01:45,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 00:01:45,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:01:45,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-17 00:01:45,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-17 00:01:45,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-17 00:01:45,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 00:01:45,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-17 00:01:45,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-17 00:01:45,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-17 00:01:45,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-17 00:01:45,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-17 00:01:45,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-17 00:01:45,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-17 00:01:45,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-17 00:01:45,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-17 00:01:45,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-17 00:01:45,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-17 00:01:45,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-17 00:01:45,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-17 00:01:45,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-17 00:01:45,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:01:48,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-17 00:01:48,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-17 00:01:48,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 00:01:48,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:01:48,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 00:01:48,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:01:48,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 00:01:48,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:01:48,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 00:01:48,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 00:01:48,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-17 00:01:48,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 00:01:48,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-17 00:01:48,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-17 00:01:48,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 00:01:48,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 00:01:48,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-17 00:01:48,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-17 00:01:48,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 00:01:48,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-17 00:01:48,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 00:01:48,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 00:01:48,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 00:01:48,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-17 00:01:48,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-17 00:01:48,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-17 00:01:48,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 00:01:48,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-17 00:01:48,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-17 00:01:48,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-17 00:01:48,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-17 00:01:48,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-17 00:01:48,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-17 00:01:48,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-17 00:01:48,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-17 00:01:48,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-17 00:01:48,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-17 00:01:48,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-17 00:01:48,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-17 00:01:48,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-17 00:01:48,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-17 00:01:48,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-17 00:01:48,606 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable761 [2021-06-17 00:01:48,607 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 00:01:48,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 00:01:48,607 INFO L82 PathProgramCache]: Analyzing trace with hash -1142992288, now seen corresponding path program 41 times [2021-06-17 00:01:48,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 00:01:48,607 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314388847] [2021-06-17 00:01:48,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 00:01:48,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:01:51,364 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 00:01:51,364 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 00:01:51,364 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314388847] [2021-06-17 00:01:51,364 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314388847] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-17 00:01:51,364 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [673359395] [2021-06-17 00:01:51,364 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-17 00:01:51,488 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2021-06-17 00:01:51,488 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-17 00:01:51,492 WARN L261 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 257 conjunts are in the unsatisfiable core [2021-06-17 00:01:51,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-17 00:01:55,430 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-06-17 00:01:56,068 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-06-17 00:01:57,262 WARN L205 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 216 [2021-06-17 00:01:58,353 WARN L205 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 216 [2021-06-17 00:01:59,330 WARN L205 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 216 [2021-06-17 00:02:00,338 WARN L205 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 216 [2021-06-17 00:02:01,589 WARN L205 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 216 [2021-06-17 00:02:02,713 WARN L205 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 216 [2021-06-17 00:02:04,065 WARN L205 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 216 [2021-06-17 00:02:05,411 WARN L205 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 216 [2021-06-17 00:02:07,137 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 403 DAG size of output: 216 [2021-06-17 00:02:08,433 WARN L205 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 216 [2021-06-17 00:02:09,603 WARN L205 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 216 [2021-06-17 00:02:10,738 WARN L205 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 216 [2021-06-17 00:02:11,804 WARN L205 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 216 [2021-06-17 00:02:12,750 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-06-17 00:02:12,754 WARN L348 FreeRefinementEngine]: Global settings require throwing the following exception [2021-06-17 00:02:12,954 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable763 [2021-06-17 00:02:12,955 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.getOrConstructPredicate(PredicateUnifier.java:305) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:582) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:201) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:297) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:190) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:561) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:363) 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$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:238) ... 53 more [2021-06-17 00:02:12,958 INFO L168 Benchmark]: Toolchain (without parser) took 319111.00 ms. Allocated memory was 206.6 MB in the beginning and 652.2 MB in the end (delta: 445.6 MB). Free memory was 186.4 MB in the beginning and 347.8 MB in the end (delta: -161.4 MB). Peak memory consumption was 284.1 MB. Max. memory is 8.0 GB. [2021-06-17 00:02:12,958 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 206.6 MB. Free memory is still 187.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-17 00:02:12,959 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.68 ms. Allocated memory is still 206.6 MB. Free memory was 186.4 MB in the beginning and 184.9 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-06-17 00:02:12,959 INFO L168 Benchmark]: Boogie Preprocessor took 14.15 ms. Allocated memory is still 206.6 MB. Free memory was 184.9 MB in the beginning and 183.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-17 00:02:12,959 INFO L168 Benchmark]: RCFGBuilder took 354.33 ms. Allocated memory is still 206.6 MB. Free memory was 183.8 MB in the beginning and 166.6 MB in the end (delta: 17.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2021-06-17 00:02:12,959 INFO L168 Benchmark]: TraceAbstraction took 318708.10 ms. Allocated memory was 206.6 MB in the beginning and 652.2 MB in the end (delta: 445.6 MB). Free memory was 166.1 MB in the beginning and 347.8 MB in the end (delta: -181.7 MB). Peak memory consumption was 264.1 MB. Max. memory is 8.0 GB. [2021-06-17 00:02:12,959 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 206.6 MB. Free memory is still 187.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 28.68 ms. Allocated memory is still 206.6 MB. Free memory was 186.4 MB in the beginning and 184.9 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Preprocessor took 14.15 ms. Allocated memory is still 206.6 MB. Free memory was 184.9 MB in the beginning and 183.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 354.33 ms. Allocated memory is still 206.6 MB. Free memory was 183.8 MB in the beginning and 166.6 MB in the end (delta: 17.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 318708.10 ms. Allocated memory was 206.6 MB in the beginning and 652.2 MB in the end (delta: 445.6 MB). Free memory was 166.1 MB in the beginning and 347.8 MB in the end (delta: -181.7 MB). Peak memory consumption was 264.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...