/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-Symm.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-trans.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 20:35:19,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 20:35:19,604 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 20:35:19,634 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-16 20:35:19,634 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-16 20:35:19,637 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-16 20:35:19,638 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-16 20:35:19,643 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-16 20:35:19,644 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-16 20:35:19,647 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-16 20:35:19,648 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-16 20:35:19,649 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-16 20:35:19,649 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-16 20:35:19,651 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-16 20:35:19,652 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-16 20:35:19,653 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-16 20:35:19,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-16 20:35:19,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-16 20:35:19,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-16 20:35:19,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-16 20:35:19,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-16 20:35:19,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-16 20:35:19,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-16 20:35:19,668 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-16 20:35:19,673 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-16 20:35:19,673 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-16 20:35:19,673 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-16 20:35:19,674 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-16 20:35:19,674 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-16 20:35:19,675 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-16 20:35:19,675 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-16 20:35:19,675 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-16 20:35:19,677 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-16 20:35:19,677 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-16 20:35:19,678 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-16 20:35:19,678 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-16 20:35:19,678 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-16 20:35:19,678 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-16 20:35:19,679 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-16 20:35:19,688 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-16 20:35:19,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-16 20:35:19,699 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-Symm.epf [2021-06-16 20:35:19,728 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 20:35:19,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 20:35:19,729 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-16 20:35:19,729 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-16 20:35:19,731 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 20:35:19,731 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 20:35:19,731 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 20:35:19,732 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 20:35:19,732 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 20:35:19,732 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 20:35:19,732 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 20:35:19,732 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 20:35:19,733 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 20:35:19,733 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 20:35:19,733 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 20:35:19,733 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 20:35:19,733 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 20:35:19,733 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 20:35:19,733 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 20:35:19,733 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 20:35:19,733 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 20:35:19,733 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 20:35:19,734 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 20:35:19,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 20:35:19,734 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 20:35:19,734 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 20:35:19,734 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 20:35:19,734 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 20:35:19,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 20:35:19,734 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 20:35:19,734 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-16 20:35:19,734 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 20:35:19,735 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-16 20:35:19,735 INFO L138 SettingsManager]: * Limit POR to symmetric independence in concurrent analysis=true [2021-06-16 20:35:19,735 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 20:35:19,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 20:35:19,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 20:35:19,985 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 20:35:19,986 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-16 20:35:19,987 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-16 20:35:19,987 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-trans.wvr.bpl [2021-06-16 20:35:19,988 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-trans.wvr.bpl' [2021-06-16 20:35:20,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 20:35:20,022 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-16 20:35:20,023 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 20:35:20,023 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 20:35:20,024 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 20:35:20,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:35:20" (1/1) ... [2021-06-16 20:35:20,038 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:35:20" (1/1) ... [2021-06-16 20:35:20,043 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 20:35:20,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 20:35:20,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 20:35:20,044 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 20:35:20,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:35:20" (1/1) ... [2021-06-16 20:35:20,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:35:20" (1/1) ... [2021-06-16 20:35:20,050 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:35:20" (1/1) ... [2021-06-16 20:35:20,051 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:35:20" (1/1) ... [2021-06-16 20:35:20,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:35:20" (1/1) ... [2021-06-16 20:35:20,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:35:20" (1/1) ... [2021-06-16 20:35:20,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:35:20" (1/1) ... [2021-06-16 20:35:20,056 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 20:35:20,056 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 20:35:20,056 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 20:35:20,057 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 20:35:20,062 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:35:20" (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 20:35:20,114 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-16 20:35:20,115 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-16 20:35:20,115 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-16 20:35:20,115 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-16 20:35:20,115 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-16 20:35:20,115 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-16 20:35:20,115 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-16 20:35:20,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 20:35:20,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 20:35:20,116 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-16 20:35:20,116 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-16 20:35:20,116 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-16 20:35:20,116 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 20:35:20,461 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 20:35:20,461 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-06-16 20:35:20,462 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-16 20:35:20,462 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-06-16 20:35:20,462 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2021-06-16 20:35:20,464 INFO L202 PluginConnector]: Adding new model array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 08:35:20 BoogieIcfgContainer [2021-06-16 20:35:20,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 20:35:20,467 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 20:35:20,467 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 20:35:20,469 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 20:35:20,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:35:20" (1/2) ... [2021-06-16 20:35:20,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e669ed3 and model type array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 08:35:20, skipping insertion in model container [2021-06-16 20:35:20,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 08:35:20" (2/2) ... [2021-06-16 20:35:20,471 INFO L111 eAbstractionObserver]: Analyzing ICFG array-int-trans.wvr.bpl [2021-06-16 20:35:20,475 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 20:35:20,475 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 20:35:20,476 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-16 20:35:20,477 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 20:35:20,524 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-16 20:35:20,548 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-16 20:35:20,602 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 20:35:20,602 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 20:35:20,602 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 20:35:20,602 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 20:35:20,602 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 20:35:20,602 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 20:35:20,602 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 20:35:20,603 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-16 20:35:20,633 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:35:20,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:35:20,638 INFO L82 PathProgramCache]: Analyzing trace with hash -1493740920, now seen corresponding path program 1 times [2021-06-16 20:35:20,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:35:20,644 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671961072] [2021-06-16 20:35:20,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:35:20,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:35:20,801 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 20:35:20,802 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:35:20,802 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671961072] [2021-06-16 20:35:20,802 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671961072] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 20:35:20,803 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 20:35:20,803 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-16 20:35:20,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019915112] [2021-06-16 20:35:20,806 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-16 20:35:20,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:35:20,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-16 20:35:20,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-16 20:35:20,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:35:20,816 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:35:20,817 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:35:20,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:35:20,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:35:20,872 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-16 20:35:20,872 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:35:20,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:35:20,874 INFO L82 PathProgramCache]: Analyzing trace with hash 162531388, now seen corresponding path program 1 times [2021-06-16 20:35:20,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:35:20,874 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639946574] [2021-06-16 20:35:20,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:35:20,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:35:20,958 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 20:35:20,958 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:35:20,959 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639946574] [2021-06-16 20:35:20,959 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639946574] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:35:20,959 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256331119] [2021-06-16 20:35:20,959 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 20:35:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:35:21,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-16 20:35:21,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:35:21,215 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 20:35:21,216 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [256331119] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:35:21,216 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:35:21,216 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-06-16 20:35:21,216 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595634794] [2021-06-16 20:35:21,217 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-16 20:35:21,217 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:35:21,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-16 20:35:21,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-16 20:35:21,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:35:21,218 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:35:21,218 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:35:21,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 20:35:21,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:35:21,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:35:21,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:21,541 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:35:21,543 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:35:21,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:35:21,544 INFO L82 PathProgramCache]: Analyzing trace with hash 1596223470, now seen corresponding path program 1 times [2021-06-16 20:35:21,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:35:21,544 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643199091] [2021-06-16 20:35:21,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:35:21,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:35:21,638 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 20:35:21,638 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:35:21,638 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643199091] [2021-06-16 20:35:21,639 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643199091] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:35:21,639 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [364417752] [2021-06-16 20:35:21,639 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 20:35:21,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:35:21,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-16 20:35:21,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:35:21,801 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 20:35:21,802 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [364417752] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:35:21,802 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:35:21,802 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-06-16 20:35:21,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153853635] [2021-06-16 20:35:21,803 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-16 20:35:21,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:35:21,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-16 20:35:21,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-06-16 20:35:21,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:35:21,805 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:35:21,805 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 9 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:35:21,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:35:21,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:21,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:35:21,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:35:21,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:21,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:22,196 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:35:22,199 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:35:22,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:35:22,199 INFO L82 PathProgramCache]: Analyzing trace with hash -346961070, now seen corresponding path program 1 times [2021-06-16 20:35:22,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:35:22,199 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742850621] [2021-06-16 20:35:22,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:35:22,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:35:22,252 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 20:35:22,252 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:35:22,252 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742850621] [2021-06-16 20:35:22,252 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742850621] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:35:22,252 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [808047311] [2021-06-16 20:35:22,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:35:22,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:35:22,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-16 20:35:22,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:35:22,401 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 20:35:22,402 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [808047311] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:35:22,402 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:35:22,403 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-06-16 20:35:22,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644443344] [2021-06-16 20:35:22,403 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-16 20:35:22,403 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:35:22,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-16 20:35:22,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-06-16 20:35:22,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:35:22,404 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:35:22,404 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 9 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:35:22,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:35:22,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:22,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:22,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:35:22,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:35:22,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:22,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:22,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:22,715 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:35:22,715 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:35:22,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:35:22,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1352968370, now seen corresponding path program 1 times [2021-06-16 20:35:22,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:35:22,716 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81169714] [2021-06-16 20:35:22,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:35:22,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:35:22,764 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 20:35:22,764 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:35:22,764 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81169714] [2021-06-16 20:35:22,764 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81169714] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:35:22,764 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1611256247] [2021-06-16 20:35:22,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:35:22,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:35:22,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-16 20:35:22,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:35:22,841 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 20:35:22,841 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1611256247] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:35:22,841 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:35:22,842 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-06-16 20:35:22,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021204433] [2021-06-16 20:35:22,842 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-16 20:35:22,842 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:35:22,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-16 20:35:22,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-06-16 20:35:22,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:35:22,843 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:35:22,843 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:35:22,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:35:22,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:22,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:22,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:22,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:35:22,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:35:22,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:22,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:22,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:22,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:23,127 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-16 20:35:23,128 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:35:23,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:35:23,129 INFO L82 PathProgramCache]: Analyzing trace with hash -350101756, now seen corresponding path program 1 times [2021-06-16 20:35:23,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:35:23,129 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794321308] [2021-06-16 20:35:23,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:35:23,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:35:23,454 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:35:23,454 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:35:23,454 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794321308] [2021-06-16 20:35:23,454 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794321308] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:35:23,455 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [3132701] [2021-06-16 20:35:23,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:35:23,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:35:23,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-16 20:35:23,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:35:23,749 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:23,750 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:23,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-16 20:35:23,754 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:23,758 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:23,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-16 20:35:23,760 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:23,790 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:35:23,794 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:23,794 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:23,795 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 25 treesize of output 19 [2021-06-16 20:35:23,796 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:23,799 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:23,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:35:23,803 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-06-16 20:35:23,848 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:35:23,862 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-06-16 20:35:23,863 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:115, output treesize:103 [2021-06-16 20:35:24,303 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 15=[array_0]} [2021-06-16 20:35:24,314 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:24,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2021-06-16 20:35:24,319 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-06-16 20:35:24,327 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:24,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 20:35:24,328 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:24,333 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:24,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-16 20:35:24,334 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:24,339 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:24,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-16 20:35:24,342 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:24,350 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:24,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:35:24,352 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:24,358 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:24,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:35:24,360 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2021-06-16 20:35:24,366 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:24,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-16 20:35:24,373 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2021-06-16 20:35:24,379 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:24,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-16 20:35:24,380 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:24,385 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:24,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 29 [2021-06-16 20:35:24,388 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2021-06-16 20:35:24,394 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 25 treesize of output 19 [2021-06-16 20:35:24,395 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:24,693 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 81 [2021-06-16 20:35:24,694 INFO L628 ElimStorePlain]: treesize reduction 144, result has 71.3 percent of original size [2021-06-16 20:35:24,700 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:24,700 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:24,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-06-16 20:35:24,703 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:24,709 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:24,709 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:24,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-06-16 20:35:24,711 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:24,720 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:35:24,725 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:24,725 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:24,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-16 20:35:24,727 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:24,732 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:24,732 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:24,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-16 20:35:24,734 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:24,744 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:35:24,749 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:24,750 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:24,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-16 20:35:24,751 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:24,756 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:24,756 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:24,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-16 20:35:24,758 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:24,767 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:35:24,772 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:24,773 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:24,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-06-16 20:35:24,774 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:24,780 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:24,780 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:24,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-06-16 20:35:24,782 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:24,786 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:24,787 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:24,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 19 [2021-06-16 20:35:24,789 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:24,801 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:35:24,806 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:24,807 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:24,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-16 20:35:24,808 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:24,812 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:24,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-16 20:35:24,813 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:24,936 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-06-16 20:35:24,937 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:35:24,948 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-06-16 20:35:24,948 INFO L247 ElimStorePlain]: Needed 22 recursive calls to eliminate 7 variables, input treesize:403, output treesize:179 [2021-06-16 20:35:25,150 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2021-06-16 20:35:25,234 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:35:25,234 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [3132701] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:35:25,234 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:35:25,234 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 16 [2021-06-16 20:35:25,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111549544] [2021-06-16 20:35:25,234 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-16 20:35:25,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:35:25,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-16 20:35:25,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2021-06-16 20:35:25,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:35:25,235 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:35:25,235 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.9375) internal successors, (31), 16 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:35:25,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:35:25,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:25,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:25,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:25,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:25,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:35:25,802 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 88 [2021-06-16 20:35:25,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:35:25,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:25,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:25,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:25,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:25,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:26,066 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:35:26,067 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:35:26,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:35:26,067 INFO L82 PathProgramCache]: Analyzing trace with hash 1194517604, now seen corresponding path program 2 times [2021-06-16 20:35:26,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:35:26,078 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765139685] [2021-06-16 20:35:26,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:35:26,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:35:26,284 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:35:26,285 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:35:26,285 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765139685] [2021-06-16 20:35:26,285 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765139685] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:35:26,285 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504645426] [2021-06-16 20:35:26,285 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:35:26,319 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 20:35:26,320 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:35:26,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-16 20:35:26,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:35:26,568 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:26,569 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:26,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:35:26,570 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:26,573 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:26,574 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:26,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-16 20:35:26,575 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:26,578 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:26,578 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:26,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-16 20:35:26,580 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:26,583 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:26,584 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:26,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-06-16 20:35:26,585 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:26,589 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:26,589 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:26,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-16 20:35:26,590 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:26,593 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:26,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-16 20:35:26,594 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:26,714 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2021-06-16 20:35:26,715 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.5 percent of original size [2021-06-16 20:35:26,721 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2021-06-16 20:35:26,721 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:193, output treesize:125 [2021-06-16 20:35:26,936 INFO L446 ElimStorePlain]: Different costs {0=[array_4, v_prenex_15], 1=[array_0, v_prenex_14]} [2021-06-16 20:35:26,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-16 20:35:26,941 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-16 20:35:26,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-16 20:35:26,945 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:26,988 INFO L628 ElimStorePlain]: treesize reduction 59, result has 52.0 percent of original size [2021-06-16 20:35:26,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-16 20:35:26,992 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:27,008 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:35:27,010 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:27,011 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:27,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-16 20:35:27,012 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:27,014 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:27,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-16 20:35:27,016 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:27,024 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:35:27,038 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:35:27,038 INFO L518 ElimStorePlain]: Eliminatee v_prenex_14 vanished before elimination [2021-06-16 20:35:27,040 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-16 20:35:27,040 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:119, output treesize:18 [2021-06-16 20:35:27,076 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:35:27,076 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [504645426] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:35:27,076 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:35:27,077 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2021-06-16 20:35:27,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959478165] [2021-06-16 20:35:27,077 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-16 20:35:27,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:35:27,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-16 20:35:27,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-06-16 20:35:27,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:35:27,078 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:35:27,078 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.8333333333333333) internal successors, (33), 18 states have internal predecessors, (33), 0 states have call successors, (0), 0 states 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 20:35:27,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:35:27,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:27,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:27,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:27,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:27,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:27,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:35:27,650 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2021-06-16 20:35:27,791 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 64 [2021-06-16 20:35:27,973 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 69 [2021-06-16 20:35:28,168 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2021-06-16 20:35:28,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:35:28,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:28,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:28,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:28,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:28,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:28,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:28,402 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2021-06-16 20:35:28,402 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:35:28,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:35:28,402 INFO L82 PathProgramCache]: Analyzing trace with hash -967108206, now seen corresponding path program 3 times [2021-06-16 20:35:28,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:35:28,403 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280824054] [2021-06-16 20:35:28,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:35:28,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:35:28,563 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:35:28,564 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:35:28,564 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280824054] [2021-06-16 20:35:28,564 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280824054] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:35:28,564 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [106867429] [2021-06-16 20:35:28,564 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 20:35:28,601 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-06-16 20:35:28,601 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:35:28,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-16 20:35:28,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:35:28,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-16 20:35:28,703 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:28,705 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:28,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-16 20:35:28,707 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:28,709 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:35:28,710 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:28,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-16 20:35:28,714 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:28,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-16 20:35:28,717 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:28,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-16 20:35:28,720 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:28,748 INFO L628 ElimStorePlain]: treesize reduction 14, result has 69.6 percent of original size [2021-06-16 20:35:28,749 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-16 20:35:28,749 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-06-16 20:35:28,826 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:28,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-16 20:35:28,828 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:28,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-16 20:35:28,831 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:28,833 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:28,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-16 20:35:28,835 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:28,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-16 20:35:28,838 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:28,854 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-06-16 20:35:28,854 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-16 20:35:28,855 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 20:35:28,855 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-16 20:35:28,880 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:35:28,881 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [106867429] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:35:28,881 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:35:28,881 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 19 [2021-06-16 20:35:28,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427827448] [2021-06-16 20:35:28,881 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-16 20:35:28,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:35:28,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-16 20:35:28,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=301, Unknown=0, NotChecked=0, Total=342 [2021-06-16 20:35:28,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:35:28,882 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:35:28,882 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.894736842105263) internal successors, (36), 19 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 20:35:28,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:35:28,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:28,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:28,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:28,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:28,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:28,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:28,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:35:30,172 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 90 [2021-06-16 20:35:30,555 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 119 [2021-06-16 20:35:30,893 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 121 [2021-06-16 20:35:30,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:35:30,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:30,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:30,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:30,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:30,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:30,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:30,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:35:31,142 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable65 [2021-06-16 20:35:31,143 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:35:31,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:35:31,143 INFO L82 PathProgramCache]: Analyzing trace with hash -1605668110, now seen corresponding path program 4 times [2021-06-16 20:35:31,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:35:31,143 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485387010] [2021-06-16 20:35:31,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:35:31,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:35:31,287 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:35:31,287 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:35:31,287 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485387010] [2021-06-16 20:35:31,287 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485387010] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:35:31,288 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1403588759] [2021-06-16 20:35:31,288 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:35:31,319 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-16 20:35:31,320 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:35:31,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-16 20:35:31,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:35:31,618 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:31,618 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:31,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:35:31,620 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:31,623 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:31,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-16 20:35:31,624 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:31,677 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:35:31,683 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:31,683 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:31,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-16 20:35:31,685 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:31,689 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:31,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-16 20:35:31,690 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:31,743 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:35:31,748 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:31,748 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:31,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-16 20:35:31,751 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2021-06-16 20:35:31,754 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:31,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-16 20:35:31,756 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:31,809 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:35:31,818 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 6 dim-0 vars, and 6 xjuncts. [2021-06-16 20:35:31,818 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:172, output treesize:146 [2021-06-16 20:35:32,227 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 21=[array_0]} [2021-06-16 20:35:32,234 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:32,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:35:32,236 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:32,241 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:32,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-06-16 20:35:32,242 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:32,248 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:32,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:35:32,249 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:32,253 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:32,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:35:32,255 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:32,260 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:32,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-16 20:35:32,261 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:32,266 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:32,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-16 20:35:32,268 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:32,273 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:32,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-16 20:35:32,274 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:32,279 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:32,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-06-16 20:35:32,280 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:32,285 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:32,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-16 20:35:32,286 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:32,297 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:32,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-06-16 20:35:32,298 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:32,303 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:32,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-16 20:35:32,305 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:32,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-16 20:35:32,311 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:32,457 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2021-06-16 20:35:32,458 INFO L628 ElimStorePlain]: treesize reduction 122, result has 52.0 percent of original size [2021-06-16 20:35:32,462 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:32,463 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:32,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-16 20:35:32,464 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:32,468 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:32,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-16 20:35:32,469 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:32,521 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:35:32,527 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-16 20:35:32,527 INFO L247 ElimStorePlain]: Needed 15 recursive calls to eliminate 8 variables, input treesize:405, output treesize:58 [2021-06-16 20:35:32,628 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:35:32,628 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1403588759] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:35:32,628 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:35:32,629 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2021-06-16 20:35:32,629 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564198207] [2021-06-16 20:35:32,629 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-16 20:35:32,629 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:35:32,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-16 20:35:32,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2021-06-16 20:35:32,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:35:32,630 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:35:32,630 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.8333333333333333) internal successors, (33), 18 states have internal predecessors, (33), 0 states have call successors, (0), 0 states 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 20:35:32,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:35:32,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:32,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:32,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:32,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:32,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:32,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:32,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:35:32,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:35:33,432 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2021-06-16 20:35:33,738 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2021-06-16 20:35:34,026 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 114 [2021-06-16 20:35:34,297 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 124 [2021-06-16 20:35:34,491 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-06-16 20:35:34,688 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 83 [2021-06-16 20:35:34,898 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 110 [2021-06-16 20:35:35,186 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 111 [2021-06-16 20:35:35,398 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 117 [2021-06-16 20:35:35,700 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 115 [2021-06-16 20:35:35,880 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 108 [2021-06-16 20:35:36,071 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 64 [2021-06-16 20:35:36,268 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 60 [2021-06-16 20:35:36,432 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 57 [2021-06-16 20:35:36,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:35:36,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:36,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:36,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:36,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:36,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:35:36,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:36,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:35:36,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:35:36,647 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:35:36,647 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:35:36,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:35:36,647 INFO L82 PathProgramCache]: Analyzing trace with hash -1508306844, now seen corresponding path program 1 times [2021-06-16 20:35:36,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:35:36,648 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277352921] [2021-06-16 20:35:36,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:35:36,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:35:36,688 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-16 20:35:36,688 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:35:36,689 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277352921] [2021-06-16 20:35:36,689 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277352921] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:35:36,689 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [948143795] [2021-06-16 20:35:36,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:35:36,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:35:36,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-16 20:35:36,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:35:36,776 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-16 20:35:36,777 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [948143795] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:35:36,777 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:35:36,777 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-06-16 20:35:36,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537532445] [2021-06-16 20:35:36,777 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-16 20:35:36,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:35:36,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-16 20:35:36,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-16 20:35:36,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:35:36,778 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:35:36,778 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:35:36,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:35:36,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:36,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:36,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:36,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:36,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:35:36,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:36,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:35:36,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:35:36,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:35:37,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:35:37,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:37,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:37,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:37,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:37,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:35:37,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:37,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:35:37,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:35:37,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:37,300 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:35:37,300 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:35:37,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:35:37,300 INFO L82 PathProgramCache]: Analyzing trace with hash 1957685294, now seen corresponding path program 5 times [2021-06-16 20:35:37,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:35:37,301 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821814336] [2021-06-16 20:35:37,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:35:37,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:35:37,403 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:35:37,404 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:35:37,404 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821814336] [2021-06-16 20:35:37,404 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821814336] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:35:37,404 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1271170475] [2021-06-16 20:35:37,404 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:35:37,439 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 20:35:37,440 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:35:37,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-16 20:35:37,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:35:37,512 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:37,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:35:37,514 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:37,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:35:37,517 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:37,530 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:35:37,531 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 20:35:37,531 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-16 20:35:37,595 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:37,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:35:37,597 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:37,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-16 20:35:37,600 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:37,615 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-16 20:35:37,615 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-16 20:35:37,615 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 20:35:37,615 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-16 20:35:37,635 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:35:37,635 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1271170475] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:35:37,635 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:35:37,635 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 14 [2021-06-16 20:35:37,635 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514561680] [2021-06-16 20:35:37,636 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-16 20:35:37,636 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:35:37,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-16 20:35:37,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-06-16 20:35:37,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:35:37,637 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:35:37,637 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.8571428571428572) internal successors, (26), 14 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:35:37,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:35:37,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:37,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:37,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:37,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:37,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:35:37,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:37,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:35:37,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:35:37,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:37,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:35:37,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:35:37,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:37,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:37,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:37,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:37,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:35:37,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:37,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:35:37,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:35:37,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:37,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:38,096 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable113 [2021-06-16 20:35:38,099 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:35:38,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:35:38,099 INFO L82 PathProgramCache]: Analyzing trace with hash 1216253704, now seen corresponding path program 6 times [2021-06-16 20:35:38,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:35:38,100 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112575631] [2021-06-16 20:35:38,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:35:38,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:35:38,465 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 20:35:38,465 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:35:38,465 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112575631] [2021-06-16 20:35:38,466 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112575631] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:35:38,466 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1833177820] [2021-06-16 20:35:38,466 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:35:38,502 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-06-16 20:35:38,502 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:35:38,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 36 conjunts are in the unsatisfiable core [2021-06-16 20:35:38,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:35:38,997 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2021-06-16 20:35:39,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:35:39,092 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:39,092 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:39,093 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:39,094 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:39,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-06-16 20:35:39,097 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:39,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:35:39,101 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:39,102 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:39,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 23 [2021-06-16 20:35:39,103 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:39,239 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2021-06-16 20:35:39,240 INFO L628 ElimStorePlain]: treesize reduction 36, result has 85.9 percent of original size [2021-06-16 20:35:39,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:35:39,245 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:39,245 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:39,247 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:39,248 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:39,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 23 [2021-06-16 20:35:39,250 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:39,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:35:39,254 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:39,255 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:39,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-06-16 20:35:39,256 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:39,305 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:35:39,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:35:39,310 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:39,310 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:39,311 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:39,312 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:39,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 33 [2021-06-16 20:35:39,316 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:39,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:35:39,320 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:39,321 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:39,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-06-16 20:35:39,325 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:39,370 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:35:39,377 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 5 dim-0 vars, and 5 xjuncts. [2021-06-16 20:35:39,377 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:288, output treesize:172 [2021-06-16 20:35:39,798 INFO L446 ElimStorePlain]: Different costs {0=[array_4, v_prenex_35, v_prenex_37], 3=[array_0, v_prenex_36, v_prenex_34]} [2021-06-16 20:35:39,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-06-16 20:35:39,805 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:39,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-16 20:35:39,809 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:39,903 INFO L628 ElimStorePlain]: treesize reduction 40, result has 78.4 percent of original size [2021-06-16 20:35:39,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2021-06-16 20:35:39,909 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-16 20:35:39,956 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:35:39,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-16 20:35:39,963 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:39,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2021-06-16 20:35:39,968 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:40,001 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:35:40,008 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:40,008 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:40,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-16 20:35:40,009 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:40,012 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:40,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-06-16 20:35:40,013 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:40,045 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:35:40,048 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:40,048 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:40,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-06-16 20:35:40,049 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:40,052 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:40,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-16 20:35:40,053 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:40,083 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:35:40,086 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:40,086 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:40,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-16 20:35:40,088 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:40,090 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:40,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-16 20:35:40,091 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:40,098 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:35:40,127 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:35:40,129 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 6 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-16 20:35:40,129 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 9 variables, input treesize:217, output treesize:31 [2021-06-16 20:35:40,187 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 20:35:40,187 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1833177820] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:35:40,187 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:35:40,188 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 22 [2021-06-16 20:35:40,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606212529] [2021-06-16 20:35:40,188 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-16 20:35:40,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:35:40,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-16 20:35:40,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=408, Unknown=0, NotChecked=0, Total=462 [2021-06-16 20:35:40,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:35:40,189 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:35:40,189 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.6818181818181819) internal successors, (37), 22 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:35:40,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:35:40,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:40,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:40,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:40,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:40,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:35:40,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:40,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:35:40,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:35:40,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:40,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:40,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:35:40,796 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2021-06-16 20:35:41,043 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 92 [2021-06-16 20:35:41,212 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 86 [2021-06-16 20:35:41,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:35:41,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:41,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:41,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:41,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:41,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:35:41,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:41,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:35:41,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:35:41,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:41,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:41,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 20:35:41,499 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:35:41,499 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:35:41,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:35:41,500 INFO L82 PathProgramCache]: Analyzing trace with hash 613122108, now seen corresponding path program 7 times [2021-06-16 20:35:41,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:35:41,500 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300786201] [2021-06-16 20:35:41,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:35:41,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:35:41,666 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 20:35:41,666 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:35:41,666 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300786201] [2021-06-16 20:35:41,666 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300786201] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:35:41,666 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [433549698] [2021-06-16 20:35:41,666 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 20:35:41,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:35:41,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-16 20:35:41,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:35:42,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:35:42,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:35:42,010 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:42,011 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:42,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2021-06-16 20:35:42,013 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:42,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:35:42,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:35:42,018 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:42,019 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:42,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 27 [2021-06-16 20:35:42,021 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:42,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:35:42,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:35:42,039 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:42,041 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:42,041 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 20:35:42,043 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:42,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:35:42,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:35:42,047 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:42,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2021-06-16 20:35:42,048 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:42,113 INFO L628 ElimStorePlain]: treesize reduction 2, result has 97.9 percent of original size [2021-06-16 20:35:42,117 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2021-06-16 20:35:42,117 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:185, output treesize:87 [2021-06-16 20:35:42,418 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 3=[array_0]} [2021-06-16 20:35:42,423 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:42,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-16 20:35:42,424 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:42,428 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:42,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 20:35:42,429 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:42,432 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:35:42,433 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:42,436 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:42,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2021-06-16 20:35:42,438 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 4 xjuncts. [2021-06-16 20:35:42,442 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:42,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:35:42,445 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:42,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-06-16 20:35:42,449 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:42,522 INFO L628 ElimStorePlain]: treesize reduction 182, result has 30.0 percent of original size [2021-06-16 20:35:42,525 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:42,525 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:42,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-16 20:35:42,526 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:42,529 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:42,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-16 20:35:42,530 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:42,537 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:35:42,559 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:35:42,561 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 20:35:42,561 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 4 variables, input treesize:256, output treesize:38 [2021-06-16 20:35:42,643 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 20:35:42,643 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [433549698] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:35:42,643 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:35:42,643 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-06-16 20:35:42,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732836602] [2021-06-16 20:35:42,644 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-16 20:35:42,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:35:42,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-16 20:35:42,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=457, Unknown=0, NotChecked=0, Total=506 [2021-06-16 20:35:42,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:35:42,645 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:35:42,645 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.6956521739130435) internal successors, (39), 23 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:35:42,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:35:42,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:42,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:42,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:42,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:42,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:35:42,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:42,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:35:42,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:35:42,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:42,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:42,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 20:35:42,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:35:44,029 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2021-06-16 20:35:44,194 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2021-06-16 20:35:44,395 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 75 [2021-06-16 20:35:44,555 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 75 [2021-06-16 20:35:44,813 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2021-06-16 20:35:44,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:35:44,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:44,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:44,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:44,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:44,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:35:44,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:44,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:35:44,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:35:44,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:44,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:44,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 20:35:44,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:35:45,071 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable161 [2021-06-16 20:35:45,072 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:35:45,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:35:45,072 INFO L82 PathProgramCache]: Analyzing trace with hash -1810499398, now seen corresponding path program 8 times [2021-06-16 20:35:45,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:35:45,072 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189526146] [2021-06-16 20:35:45,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:35:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:35:45,205 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:35:45,205 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:35:45,205 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189526146] [2021-06-16 20:35:45,206 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189526146] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:35:45,206 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [729930192] [2021-06-16 20:35:45,206 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:35:45,241 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 20:35:45,242 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:35:45,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-16 20:35:45,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:35:45,344 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:45,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-16 20:35:45,345 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:45,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-16 20:35:45,348 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:45,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-16 20:35:45,351 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:45,353 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:45,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:35:45,356 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:45,358 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:35:45,359 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:45,361 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:35:45,361 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:45,387 INFO L628 ElimStorePlain]: treesize reduction 6, result has 84.2 percent of original size [2021-06-16 20:35:45,388 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-16 20:35:45,388 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-06-16 20:35:45,481 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:45,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-16 20:35:45,483 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:45,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-16 20:35:45,485 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:45,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-16 20:35:45,488 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:45,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-16 20:35:45,491 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:45,507 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-06-16 20:35:45,507 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-16 20:35:45,508 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 20:35:45,508 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-16 20:35:45,533 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:35:45,534 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [729930192] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:35:45,534 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:35:45,534 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 20 [2021-06-16 20:35:45,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721420982] [2021-06-16 20:35:45,534 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-16 20:35:45,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:35:45,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-16 20:35:45,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-06-16 20:35:45,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:35:45,535 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:35:45,535 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.6) internal successors, (32), 20 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 20:35:45,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:35:45,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:45,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:45,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:45,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:45,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:35:45,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:45,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:35:45,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:35:45,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:45,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:45,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 20:35:45,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:35:45,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:35:46,509 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 86 [2021-06-16 20:35:46,721 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 85 [2021-06-16 20:35:46,928 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 96 [2021-06-16 20:35:46,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:35:46,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:46,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:46,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:46,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:46,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:35:46,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:46,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:35:46,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:35:46,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:46,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:46,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:35:46,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:35:46,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:35:47,177 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:35:47,177 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:35:47,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:35:47,178 INFO L82 PathProgramCache]: Analyzing trace with hash -293289106, now seen corresponding path program 9 times [2021-06-16 20:35:47,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:35:47,178 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056186961] [2021-06-16 20:35:47,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:35:47,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:35:47,388 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 20:35:47,389 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:35:47,389 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056186961] [2021-06-16 20:35:47,389 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056186961] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:35:47,389 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [176900286] [2021-06-16 20:35:47,389 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:35:47,425 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-16 20:35:47,426 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:35:47,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-16 20:35:47,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:35:47,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:35:47,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2021-06-16 20:35:47,546 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:47,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:35:47,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-06-16 20:35:47,552 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:47,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:35:47,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2021-06-16 20:35:47,558 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-16 20:35:47,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:35:47,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2021-06-16 20:35:47,563 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:47,601 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:35:47,602 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-16 20:35:47,602 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:183, output treesize:127 [2021-06-16 20:35:47,901 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:47,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:35:47,903 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:47,906 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:47,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-06-16 20:35:47,907 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:47,910 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:47,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:35:47,911 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:47,915 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:35:47,915 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:47,918 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:35:47,918 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:47,924 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:47,924 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 15 treesize of output 11 [2021-06-16 20:35:47,925 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:47,928 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:35:47,931 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:47,933 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:35:47,934 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:47,937 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:47,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:35:47,938 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:47,941 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:35:47,942 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:47,945 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:47,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-16 20:35:47,946 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:47,948 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:35:47,949 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:47,952 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:47,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-16 20:35:47,953 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:47,955 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:35:47,956 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:48,016 INFO L628 ElimStorePlain]: treesize reduction 69, result has 52.7 percent of original size [2021-06-16 20:35:48,020 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:48,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-16 20:35:48,021 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:48,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-16 20:35:48,024 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:48,049 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:35:48,050 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-06-16 20:35:48,050 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 2 variables, input treesize:419, output treesize:61 [2021-06-16 20:35:48,130 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 20:35:48,130 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [176900286] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:35:48,130 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:35:48,130 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 21 [2021-06-16 20:35:48,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999524366] [2021-06-16 20:35:48,131 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-16 20:35:48,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:35:48,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-16 20:35:48,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2021-06-16 20:35:48,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:35:48,131 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:35:48,132 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.7142857142857142) internal successors, (36), 21 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 20:35:48,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:35:48,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:48,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:48,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:48,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:48,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:35:48,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:48,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:35:48,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:35:48,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:48,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:48,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:35:48,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:35:48,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:35:48,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:35:49,505 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2021-06-16 20:35:49,709 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2021-06-16 20:35:49,889 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2021-06-16 20:35:50,136 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2021-06-16 20:35:50,377 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 96 [2021-06-16 20:35:50,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:35:50,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:50,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:50,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:50,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:50,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:35:50,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:50,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:35:50,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:35:50,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:50,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:50,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:35:50,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:35:50,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:35:50,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-16 20:35:50,929 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable183 [2021-06-16 20:35:50,930 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:35:50,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:35:50,930 INFO L82 PathProgramCache]: Analyzing trace with hash 1198537210, now seen corresponding path program 10 times [2021-06-16 20:35:50,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:35:50,930 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201025323] [2021-06-16 20:35:50,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:35:50,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:35:51,027 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:35:51,027 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:35:51,027 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201025323] [2021-06-16 20:35:51,027 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201025323] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:35:51,027 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [968104811] [2021-06-16 20:35:51,028 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:35:51,058 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-16 20:35:51,058 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:35:51,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-16 20:35:51,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:35:51,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-16 20:35:51,120 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:51,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2021-06-16 20:35:51,123 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:51,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-16 20:35:51,128 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:51,165 INFO L628 ElimStorePlain]: treesize reduction 32, result has 63.6 percent of original size [2021-06-16 20:35:51,166 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 20:35:51,166 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:109, output treesize:56 [2021-06-16 20:35:51,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-16 20:35:51,274 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-16 20:35:51,284 INFO L628 ElimStorePlain]: treesize reduction 7, result has 61.1 percent of original size [2021-06-16 20:35:51,284 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-16 20:35:51,285 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 20:35:51,285 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:11 [2021-06-16 20:35:51,308 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:35:51,308 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [968104811] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:35:51,308 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:35:51,308 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 15 [2021-06-16 20:35:51,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862680301] [2021-06-16 20:35:51,309 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-16 20:35:51,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:35:51,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-16 20:35:51,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-06-16 20:35:51,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:35:51,309 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:35:51,309 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 2.0) internal successors, (30), 15 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:35:51,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:35:51,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:51,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:51,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:51,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:51,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:35:51,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:51,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:35:51,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:35:51,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:51,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:51,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:35:51,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:35:51,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:35:51,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-16 20:35:51,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:35:52,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:35:52,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:52,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:52,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:52,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:52,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:35:52,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:52,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:35:52,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-16 20:35:52,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:52,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:52,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:35:52,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:35:52,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:35:52,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-16 20:35:52,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:52,840 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable200 [2021-06-16 20:35:52,841 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:35:52,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:35:52,841 INFO L82 PathProgramCache]: Analyzing trace with hash 180996178, now seen corresponding path program 11 times [2021-06-16 20:35:52,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:35:52,841 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123193460] [2021-06-16 20:35:52,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:35:52,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:35:52,993 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 20:35:52,993 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:35:52,993 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123193460] [2021-06-16 20:35:52,993 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123193460] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:35:52,993 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [519267795] [2021-06-16 20:35:52,993 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:35:53,039 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-16 20:35:53,040 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:35:53,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 31 conjunts are in the unsatisfiable core [2021-06-16 20:35:53,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:35:53,170 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:53,171 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:53,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-16 20:35:53,172 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:53,174 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:53,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-16 20:35:53,175 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:53,187 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:35:53,189 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-06-16 20:35:53,189 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:51, output treesize:37 [2021-06-16 20:35:53,417 INFO L446 ElimStorePlain]: Different costs {3=[array_4], 6=[array_0]} [2021-06-16 20:35:53,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:35:53,422 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:53,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2021-06-16 20:35:53,423 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:53,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:35:53,427 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:53,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2021-06-16 20:35:53,429 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-16 20:35:53,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:35:53,434 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:53,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2021-06-16 20:35:53,437 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:53,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:35:53,440 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 20:35:53,442 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:53,530 INFO L628 ElimStorePlain]: treesize reduction 38, result has 72.7 percent of original size [2021-06-16 20:35:53,534 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:53,534 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:53,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-06-16 20:35:53,535 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:53,538 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:53,539 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:53,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-16 20:35:53,540 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:53,542 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:53,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-16 20:35:53,543 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:53,550 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:35:53,584 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:35:53,585 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-16 20:35:53,585 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:193, output treesize:55 [2021-06-16 20:35:53,675 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 20:35:53,675 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [519267795] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:35:53,675 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:35:53,675 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 22 [2021-06-16 20:35:53,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128639843] [2021-06-16 20:35:53,676 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-16 20:35:53,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:35:53,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-16 20:35:53,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=408, Unknown=0, NotChecked=0, Total=462 [2021-06-16 20:35:53,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:35:53,677 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:35:53,677 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.7272727272727273) internal successors, (38), 22 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:35:53,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:35:53,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:53,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:53,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:53,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:53,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:35:53,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:53,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:35:53,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-16 20:35:53,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:53,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:53,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:35:53,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:35:53,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:35:53,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-16 20:35:53,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:53,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:35:54,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:35:54,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:54,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:54,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:54,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:54,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:35:54,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:54,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:35:54,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-16 20:35:54,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:54,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:54,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:35:54,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:35:54,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:35:54,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-16 20:35:54,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:54,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:54,376 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable206 [2021-06-16 20:35:54,377 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:35:54,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:35:54,377 INFO L82 PathProgramCache]: Analyzing trace with hash -1415090126, now seen corresponding path program 12 times [2021-06-16 20:35:54,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:35:54,377 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269901148] [2021-06-16 20:35:54,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:35:54,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:35:54,504 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:35:54,504 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:35:54,504 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269901148] [2021-06-16 20:35:54,504 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269901148] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:35:54,504 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869326272] [2021-06-16 20:35:54,504 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:35:54,539 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-16 20:35:54,540 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:35:54,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-16 20:35:54,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:35:54,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-16 20:35:54,625 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:54,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-16 20:35:54,627 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:54,640 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:35:54,640 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 20:35:54,640 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-16 20:35:54,716 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:54,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:35:54,718 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:54,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:35:54,720 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:54,735 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-16 20:35:54,735 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-16 20:35:54,736 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 20:35:54,736 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-16 20:35:54,757 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:35:54,757 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1869326272] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:35:54,757 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:35:54,757 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 18 [2021-06-16 20:35:54,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616426426] [2021-06-16 20:35:54,757 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-16 20:35:54,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:35:54,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-16 20:35:54,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2021-06-16 20:35:54,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:35:54,758 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:35:54,758 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 18 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:35:54,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:35:54,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:54,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:54,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:54,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:54,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:35:54,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:54,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:35:54,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-16 20:35:54,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:54,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:54,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:35:54,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:35:54,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:35:54,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-16 20:35:54,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:54,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:54,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:35:55,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:35:55,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:55,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:55,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:55,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:55,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:35:55,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:55,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:35:55,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-16 20:35:55,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:55,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:55,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:35:55,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:35:55,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:35:55,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-16 20:35:55,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:55,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:55,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:35:55,318 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable222 [2021-06-16 20:35:55,318 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:35:55,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:35:55,319 INFO L82 PathProgramCache]: Analyzing trace with hash -260569212, now seen corresponding path program 13 times [2021-06-16 20:35:55,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:35:55,319 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635835169] [2021-06-16 20:35:55,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:35:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:35:55,793 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:35:55,793 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:35:55,793 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635835169] [2021-06-16 20:35:55,793 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635835169] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:35:55,794 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [882214832] [2021-06-16 20:35:55,794 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 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 20:35:55,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:35:55,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 51 conjunts are in the unsatisfiable core [2021-06-16 20:35:55,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:35:56,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:35:56,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:35:56,466 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:56,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:35:56,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:35:56,470 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:56,470 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:56,472 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:56,474 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:56,475 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:56,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 43 [2021-06-16 20:35:56,477 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:56,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:35:56,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:35:56,481 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:56,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:35:56,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:35:56,483 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:56,483 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:56,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 35 [2021-06-16 20:35:56,485 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:56,551 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:35:56,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:35:56,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:35:56,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:35:56,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:35:56,573 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:56,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:35:56,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:35:56,574 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:56,575 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:56,578 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:56,580 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:56,580 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:56,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 43 [2021-06-16 20:35:56,582 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:56,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:35:56,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:35:56,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:35:56,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:35:56,588 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:56,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:35:56,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:35:56,589 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:56,590 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:56,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 45 [2021-06-16 20:35:56,592 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:56,640 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:35:56,645 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-06-16 20:35:56,645 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:270, output treesize:186 [2021-06-16 20:35:57,316 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 101 [2021-06-16 20:35:57,612 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 101 [2021-06-16 20:35:57,710 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_61, v_prenex_65, v_prenex_63, array_4, v_prenex_67], 6=[v_prenex_60, array_0, v_prenex_64, v_prenex_62, v_prenex_66]} [2021-06-16 20:35:57,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 33 [2021-06-16 20:35:57,721 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:57,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2021-06-16 20:35:57,728 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-16 20:35:57,956 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 116 [2021-06-16 20:35:57,957 INFO L628 ElimStorePlain]: treesize reduction 129, result has 72.0 percent of original size [2021-06-16 20:35:57,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 30 [2021-06-16 20:35:57,967 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:57,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2021-06-16 20:35:57,973 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:58,048 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:35:58,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2021-06-16 20:35:58,065 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:58,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 37 [2021-06-16 20:35:58,072 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:58,137 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:35:58,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2021-06-16 20:35:58,144 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2021-06-16 20:35:58,207 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:35:58,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-06-16 20:35:58,213 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:58,270 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:35:58,275 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:58,275 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:58,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-16 20:35:58,276 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:58,280 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:58,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-16 20:35:58,281 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:58,289 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:35:58,346 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:35:58,350 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:58,350 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:58,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-16 20:35:58,351 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:58,359 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:58,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-16 20:35:58,360 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:58,368 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:35:58,435 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:35:58,439 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:58,439 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:58,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-16 20:35:58,440 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:58,444 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:58,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-06-16 20:35:58,444 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:58,499 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:35:58,503 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:58,503 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:58,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-06-16 20:35:58,504 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:58,507 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:35:58,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-16 20:35:58,508 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-16 20:35:58,562 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:35:58,562 INFO L518 ElimStorePlain]: Eliminatee v_prenex_66 vanished before elimination [2021-06-16 20:35:58,565 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 10 dim-1 vars, End of recursive call: and 9 xjuncts. [2021-06-16 20:35:58,565 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 15 variables, input treesize:493, output treesize:70 [2021-06-16 20:35:58,641 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:35:58,642 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [882214832] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:35:58,642 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:35:58,642 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14] total 27 [2021-06-16 20:35:58,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808538500] [2021-06-16 20:35:58,642 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-16 20:35:58,642 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:35:58,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-16 20:35:58,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=646, Unknown=0, NotChecked=0, Total=702 [2021-06-16 20:35:58,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:35:58,643 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:35:58,643 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.5925925925925926) internal successors, (43), 27 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:35:58,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:35:58,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:58,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:58,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:58,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:35:58,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:35:58,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:58,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:35:58,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-16 20:35:58,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:35:58,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:58,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:35:58,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:35:58,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:35:58,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-16 20:35:58,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:58,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:35:58,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:35:58,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:35:59,469 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-06-16 20:35:59,713 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2021-06-16 20:35:59,980 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 89 [2021-06-16 20:36:00,197 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 127 [2021-06-16 20:36:00,458 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 133 [2021-06-16 20:36:00,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:36:00,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:00,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:00,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:00,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:00,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:00,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:00,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:00,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-16 20:36:00,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:00,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:00,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:36:00,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:00,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:00,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-16 20:36:00,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:00,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:00,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:00,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 20:36:00,748 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable225,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:36:00,749 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:36:00,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:36:00,749 INFO L82 PathProgramCache]: Analyzing trace with hash -796182684, now seen corresponding path program 14 times [2021-06-16 20:36:00,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:36:00,749 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515882617] [2021-06-16 20:36:00,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:36:00,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:36:01,112 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:36:01,112 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:36:01,112 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515882617] [2021-06-16 20:36:01,112 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515882617] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:36:01,112 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [18754723] [2021-06-16 20:36:01,113 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:36:01,151 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 20:36:01,152 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:36:01,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 40 conjunts are in the unsatisfiable core [2021-06-16 20:36:01,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:36:01,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:01,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:01,733 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:01,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:01,735 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:01,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-16 20:36:01,738 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:01,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:01,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:01,743 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:01,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:01,745 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:01,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 26 [2021-06-16 20:36:01,748 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:01,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:01,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:01,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:01,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:01,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:01,754 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:01,758 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:01,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 34 [2021-06-16 20:36:01,760 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:01,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:01,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:01,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:01,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:01,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:01,766 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:01,770 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:01,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 26 [2021-06-16 20:36:01,772 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:01,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:01,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:01,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:01,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:01,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:01,780 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:01,784 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:01,784 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 20:36:01,786 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:01,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:01,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:01,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:01,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:01,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:01,792 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:01,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-06-16 20:36:01,794 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:01,904 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2021-06-16 20:36:01,904 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.5 percent of original size [2021-06-16 20:36:01,909 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2021-06-16 20:36:01,909 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:325, output treesize:125 [2021-06-16 20:36:02,290 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_75, array_4], 1=[array_0, v_prenex_74]} [2021-06-16 20:36:02,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-16 20:36:02,294 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:02,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-16 20:36:02,297 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:02,329 INFO L628 ElimStorePlain]: treesize reduction 59, result has 43.8 percent of original size [2021-06-16 20:36:02,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-16 20:36:02,332 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-16 20:36:02,347 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:36:02,350 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:02,350 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:02,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-16 20:36:02,351 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:02,357 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:02,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-16 20:36:02,359 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:02,366 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:36:02,380 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:36:02,380 INFO L518 ElimStorePlain]: Eliminatee v_prenex_74 vanished before elimination [2021-06-16 20:36:02,381 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-16 20:36:02,382 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:119, output treesize:18 [2021-06-16 20:36:02,419 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:36:02,419 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [18754723] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:36:02,419 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:36:02,419 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 30 [2021-06-16 20:36:02,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749182327] [2021-06-16 20:36:02,420 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-16 20:36:02,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:36:02,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-16 20:36:02,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=787, Unknown=0, NotChecked=0, Total=870 [2021-06-16 20:36:02,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:36:02,421 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:36:02,421 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 1.5) internal successors, (45), 30 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:36:02,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:36:02,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:02,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:02,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:02,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:02,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:02,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:02,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:02,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-16 20:36:02,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:02,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:02,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:36:02,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:02,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:02,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-16 20:36:02,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:02,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:02,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:02,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 20:36:02,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:36:04,381 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2021-06-16 20:36:04,610 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 81 [2021-06-16 20:36:04,844 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 81 [2021-06-16 20:36:05,086 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 81 [2021-06-16 20:36:05,383 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 76 [2021-06-16 20:36:05,622 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 67 [2021-06-16 20:36:05,895 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2021-06-16 20:36:06,152 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2021-06-16 20:36:06,413 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2021-06-16 20:36:06,698 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2021-06-16 20:36:06,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:36:06,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:06,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:06,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:06,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:06,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:06,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:06,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:06,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-16 20:36:06,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:06,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:06,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:36:06,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:06,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:06,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-16 20:36:06,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:06,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:06,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:06,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 20:36:06,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:36:06,950 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable277 [2021-06-16 20:36:06,950 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:36:06,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:36:06,950 INFO L82 PathProgramCache]: Analyzing trace with hash 1745692306, now seen corresponding path program 15 times [2021-06-16 20:36:06,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:36:06,950 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698947182] [2021-06-16 20:36:06,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:36:06,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:36:07,171 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:36:07,171 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:36:07,171 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698947182] [2021-06-16 20:36:07,171 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698947182] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:36:07,171 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2138715133] [2021-06-16 20:36:07,171 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:36:07,214 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-16 20:36:07,214 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:36:07,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-16 20:36:07,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:36:07,394 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:07,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:36:07,396 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:07,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-16 20:36:07,399 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:07,402 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:07,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-16 20:36:07,403 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:07,406 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:36:07,406 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:07,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-16 20:36:07,410 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:07,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-16 20:36:07,412 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:07,440 INFO L628 ElimStorePlain]: treesize reduction 14, result has 69.6 percent of original size [2021-06-16 20:36:07,440 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-16 20:36:07,440 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-06-16 20:36:07,615 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:07,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-16 20:36:07,616 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:07,618 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:07,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-16 20:36:07,620 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:07,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-16 20:36:07,623 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:07,624 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:36:07,625 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:07,641 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-06-16 20:36:07,641 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-16 20:36:07,642 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 20:36:07,642 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-16 20:36:07,678 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:36:07,679 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2138715133] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:36:07,679 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:36:07,679 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 31 [2021-06-16 20:36:07,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541737459] [2021-06-16 20:36:07,679 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-16 20:36:07,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:36:07,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-16 20:36:07,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=857, Unknown=0, NotChecked=0, Total=930 [2021-06-16 20:36:07,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:36:07,680 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:36:07,680 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.5483870967741935) internal successors, (48), 31 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:36:07,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:36:07,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:07,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:07,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:07,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:07,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:07,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:07,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:07,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-16 20:36:07,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:07,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:07,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:36:07,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:07,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:07,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-16 20:36:07,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:07,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:07,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:07,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 20:36:07,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:36:07,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:36:10,208 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 164 [2021-06-16 20:36:10,837 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 230 [2021-06-16 20:36:11,437 WARN L205 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 230 [2021-06-16 20:36:11,770 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 148 [2021-06-16 20:36:11,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:36:11,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:11,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:11,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:11,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:11,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:11,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:11,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:11,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-16 20:36:11,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:11,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:11,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:36:11,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:11,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:11,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-16 20:36:11,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:11,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:11,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:11,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 20:36:11,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:36:11,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:36:12,064 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable295,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:36:12,065 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:36:12,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:36:12,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1169840754, now seen corresponding path program 16 times [2021-06-16 20:36:12,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:36:12,065 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726843656] [2021-06-16 20:36:12,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:36:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:36:12,408 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:36:12,409 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:36:12,409 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726843656] [2021-06-16 20:36:12,409 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726843656] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:36:12,409 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2110305243] [2021-06-16 20:36:12,409 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:36:12,446 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-16 20:36:12,447 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:36:12,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 41 conjunts are in the unsatisfiable core [2021-06-16 20:36:12,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:36:12,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2021-06-16 20:36:12,762 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:12,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2021-06-16 20:36:12,769 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:12,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 29 [2021-06-16 20:36:12,775 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:12,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2021-06-16 20:36:12,781 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:12,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 31 [2021-06-16 20:36:12,788 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2021-06-16 20:36:12,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 29 [2021-06-16 20:36:12,794 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:12,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2021-06-16 20:36:12,798 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:12,843 INFO L628 ElimStorePlain]: treesize reduction 28, result has 77.2 percent of original size [2021-06-16 20:36:12,844 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-16 20:36:12,844 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 1 variables, input treesize:256, output treesize:95 [2021-06-16 20:36:13,107 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:13,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-16 20:36:13,109 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:13,112 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:13,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-16 20:36:13,115 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:13,118 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:13,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-16 20:36:13,119 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:13,138 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:13,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:36:13,139 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:13,142 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:36:13,142 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:13,145 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:36:13,145 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:13,149 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:13,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:36:13,150 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:13,152 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:36:13,153 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:13,156 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:13,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:36:13,157 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:13,160 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:36:13,160 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:13,163 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:13,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-16 20:36:13,165 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:13,167 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:36:13,168 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:13,216 INFO L628 ElimStorePlain]: treesize reduction 68, result has 47.7 percent of original size [2021-06-16 20:36:13,219 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:13,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-16 20:36:13,221 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:13,223 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 10 treesize of output 5 [2021-06-16 20:36:13,223 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:13,242 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:36:13,243 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-06-16 20:36:13,243 INFO L247 ElimStorePlain]: Needed 15 recursive calls to eliminate 2 variables, input treesize:333, output treesize:46 [2021-06-16 20:36:13,350 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:36:13,350 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2110305243] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:36:13,350 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:36:13,351 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 31 [2021-06-16 20:36:13,351 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164698467] [2021-06-16 20:36:13,351 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-16 20:36:13,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:36:13,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-16 20:36:13,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=863, Unknown=0, NotChecked=0, Total=930 [2021-06-16 20:36:13,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:36:13,352 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:36:13,352 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.4838709677419355) internal successors, (46), 31 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:36:13,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:36:13,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:13,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:13,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:13,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:13,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:13,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:13,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:13,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-16 20:36:13,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:13,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:13,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:36:13,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:13,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:13,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-16 20:36:13,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:13,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:13,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:13,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 20:36:13,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:36:13,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:36:13,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:36:14,228 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 59 [2021-06-16 20:36:14,428 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 65 [2021-06-16 20:36:14,634 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2021-06-16 20:36:14,937 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 75 [2021-06-16 20:36:15,148 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 74 [2021-06-16 20:36:15,357 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 74 [2021-06-16 20:36:15,635 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2021-06-16 20:36:15,991 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 100 [2021-06-16 20:36:16,469 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 145 [2021-06-16 20:36:16,942 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2021-06-16 20:36:17,432 WARN L205 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 217 [2021-06-16 20:36:17,873 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2021-06-16 20:36:18,345 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 217 [2021-06-16 20:36:18,624 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 142 [2021-06-16 20:36:19,047 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 64 [2021-06-16 20:36:19,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:36:19,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:19,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:19,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:19,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:19,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:19,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:19,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:19,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-16 20:36:19,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:19,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:19,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:36:19,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:19,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:19,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-16 20:36:19,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:19,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:19,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:19,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:19,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:36:19,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:36:19,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:19,528 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable302,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:36:19,529 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:36:19,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:36:19,529 INFO L82 PathProgramCache]: Analyzing trace with hash 1973465956, now seen corresponding path program 17 times [2021-06-16 20:36:19,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:36:19,529 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424167675] [2021-06-16 20:36:19,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:36:19,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:36:19,654 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:36:19,655 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:36:19,655 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424167675] [2021-06-16 20:36:19,655 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424167675] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:36:19,655 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [603756623] [2021-06-16 20:36:19,655 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:36:19,693 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-16 20:36:19,693 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:36:19,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-16 20:36:19,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:36:19,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-16 20:36:19,754 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:19,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-16 20:36:19,757 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:19,771 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:36:19,771 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 20:36:19,772 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:51, output treesize:37 [2021-06-16 20:36:19,850 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:19,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-16 20:36:19,851 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:19,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-16 20:36:19,854 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:19,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-16 20:36:19,857 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:19,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-16 20:36:19,860 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:19,877 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-06-16 20:36:19,877 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-16 20:36:19,878 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 20:36:19,878 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-16 20:36:19,902 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:36:19,902 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [603756623] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:36:19,902 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:36:19,902 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 18 [2021-06-16 20:36:19,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012058243] [2021-06-16 20:36:19,902 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-16 20:36:19,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:36:19,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-16 20:36:19,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2021-06-16 20:36:19,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:36:19,903 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:36:19,903 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 18 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:36:19,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:36:19,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:19,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:19,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:19,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:19,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:19,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:19,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:19,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-16 20:36:19,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:19,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:19,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:36:19,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:19,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:19,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-16 20:36:19,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:19,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:19,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:19,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:19,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:36:19,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:36:19,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:19,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:36:20,657 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 59 [2021-06-16 20:36:20,829 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2021-06-16 20:36:21,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:36:21,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:21,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:21,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:21,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:21,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:21,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:21,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:21,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-16 20:36:21,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:21,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:21,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:36:21,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:21,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:21,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-16 20:36:21,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:21,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:36:21,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:21,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:21,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:36:21,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:36:21,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:21,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:36:21,510 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable323 [2021-06-16 20:36:21,510 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:36:21,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:36:21,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1340861490, now seen corresponding path program 18 times [2021-06-16 20:36:21,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:36:21,510 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788304815] [2021-06-16 20:36:21,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:36:21,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:36:21,601 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:36:21,601 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:36:21,601 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788304815] [2021-06-16 20:36:21,601 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788304815] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:36:21,601 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1480215086] [2021-06-16 20:36:21,601 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:36:21,634 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-16 20:36:21,634 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:36:21,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-16 20:36:21,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:36:21,690 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:21,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-16 20:36:21,692 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:21,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-16 20:36:21,694 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:21,707 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:36:21,707 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 20:36:21,707 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-16 20:36:21,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-16 20:36:21,759 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:21,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-16 20:36:21,762 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:21,764 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:21,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-16 20:36:21,765 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:21,766 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 17 treesize of output 13 [2021-06-16 20:36:21,767 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:21,785 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-06-16 20:36:21,785 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-16 20:36:21,785 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 20:36:21,785 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-16 20:36:21,807 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:36:21,807 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1480215086] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:36:21,807 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:36:21,807 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 15 [2021-06-16 20:36:21,807 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390291316] [2021-06-16 20:36:21,807 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-16 20:36:21,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:36:21,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-16 20:36:21,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-06-16 20:36:21,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:36:21,808 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:36:21,808 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.8) internal successors, (27), 15 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:36:21,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:36:21,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:21,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:21,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:21,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:21,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:21,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:21,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:21,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-16 20:36:21,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:21,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:21,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:36:21,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:21,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:21,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-16 20:36:21,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:21,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:36:21,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:21,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:21,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:36:21,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:36:21,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:21,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:36:21,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:36:23,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:36:23,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:23,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:23,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:23,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:23,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:23,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:23,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:23,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:36:23,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:23,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:23,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:36:23,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:23,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:23,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:36:23,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:23,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:36:23,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:23,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:23,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:36:23,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:36:23,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:23,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:36:23,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:36:23,215 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable329,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:36:23,216 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:36:23,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:36:23,216 INFO L82 PathProgramCache]: Analyzing trace with hash 542626298, now seen corresponding path program 19 times [2021-06-16 20:36:23,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:36:23,216 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474779273] [2021-06-16 20:36:23,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:36:23,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:36:23,422 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:36:23,422 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:36:23,422 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474779273] [2021-06-16 20:36:23,422 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474779273] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:36:23,422 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [575293275] [2021-06-16 20:36:23,423 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:36:23,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:36:23,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 40 conjunts are in the unsatisfiable core [2021-06-16 20:36:23,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:36:23,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-16 20:36:23,534 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:23,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-16 20:36:23,536 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:23,543 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:36:23,544 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 20:36:23,544 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:39, output treesize:25 [2021-06-16 20:36:23,691 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:23,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 31 [2021-06-16 20:36:23,695 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-16 20:36:23,698 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:23,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2021-06-16 20:36:23,701 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:23,704 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:23,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 29 [2021-06-16 20:36:23,708 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:23,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2021-06-16 20:36:23,711 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:23,753 INFO L628 ElimStorePlain]: treesize reduction 55, result has 52.2 percent of original size [2021-06-16 20:36:23,755 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:23,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-16 20:36:23,756 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:23,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-16 20:36:23,759 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:23,766 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:36:23,784 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:36:23,784 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 20:36:23,784 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:181, output treesize:38 [2021-06-16 20:36:23,858 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:36:23,858 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [575293275] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:36:23,858 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:36:23,859 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 23 [2021-06-16 20:36:23,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579694960] [2021-06-16 20:36:23,859 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-16 20:36:23,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:36:23,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-16 20:36:23,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2021-06-16 20:36:23,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:36:23,859 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:36:23,859 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.608695652173913) internal successors, (37), 23 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:36:23,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:36:23,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:23,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:23,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:23,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:23,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:23,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:23,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:23,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:36:23,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:23,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:23,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:36:23,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:23,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:23,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:36:23,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:23,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:36:23,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:23,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:23,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:36:23,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:36:23,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:23,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:36:23,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:36:23,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:36:24,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:36:24,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:24,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:24,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:24,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:24,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:24,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:24,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:24,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:36:24,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:24,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:24,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:36:24,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:24,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:24,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:36:24,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:24,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:36:24,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:24,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:24,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:36:24,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:36:24,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:24,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:36:24,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:36:24,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:24,563 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable335 [2021-06-16 20:36:24,563 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:36:24,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:36:24,564 INFO L82 PathProgramCache]: Analyzing trace with hash -1666925650, now seen corresponding path program 20 times [2021-06-16 20:36:24,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:36:24,564 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078243375] [2021-06-16 20:36:24,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:36:24,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:36:24,746 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:36:24,746 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:36:24,746 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078243375] [2021-06-16 20:36:24,746 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078243375] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:36:24,746 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [230699827] [2021-06-16 20:36:24,746 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:36:24,783 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 20:36:24,784 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:36:24,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-16 20:36:24,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:36:24,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-16 20:36:24,853 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:24,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-16 20:36:24,855 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:24,867 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:36:24,868 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 20:36:24,868 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-16 20:36:24,988 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:24,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:36:24,989 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:24,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:36:24,991 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:25,006 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-16 20:36:25,006 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-16 20:36:25,007 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 20:36:25,007 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-16 20:36:25,031 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:36:25,031 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [230699827] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:36:25,031 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:36:25,031 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 22 [2021-06-16 20:36:25,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039045942] [2021-06-16 20:36:25,031 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-16 20:36:25,031 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:36:25,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-16 20:36:25,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-06-16 20:36:25,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:36:25,032 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:36:25,032 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:36:25,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:36:25,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:25,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:25,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:25,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:25,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:25,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:25,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:25,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:36:25,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:25,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:25,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:36:25,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:25,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:25,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:36:25,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:25,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:36:25,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:25,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:25,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:36:25,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:36:25,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:25,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:36:25,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:36:25,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:25,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:36:25,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:36:25,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:25,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:25,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:25,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:25,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:25,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:25,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:25,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:36:25,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:25,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:25,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:36:25,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:25,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:25,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:36:25,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:25,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:36:25,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:25,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:25,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:36:25,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:36:25,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:25,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:36:25,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:36:25,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:25,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:25,796 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable346,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:36:25,796 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:36:25,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:36:25,796 INFO L82 PathProgramCache]: Analyzing trace with hash 522464136, now seen corresponding path program 21 times [2021-06-16 20:36:25,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:36:25,796 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984988722] [2021-06-16 20:36:25,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:36:25,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:36:26,190 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 20:36:26,190 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:36:26,190 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984988722] [2021-06-16 20:36:26,190 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984988722] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:36:26,190 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1379931275] [2021-06-16 20:36:26,190 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:36:26,245 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-16 20:36:26,245 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:36:26,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 59 conjunts are in the unsatisfiable core [2021-06-16 20:36:26,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:36:26,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:26,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:26,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:26,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:26,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:26,904 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:26,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:26,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:26,909 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:26,911 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 20:36:26,912 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-16 20:36:26,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:26,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:26,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:26,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:26,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:26,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:26,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:26,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:26,920 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 20:36:26,922 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:26,971 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:36:26,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:26,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:26,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:26,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:26,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:26,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:26,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:26,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:26,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:26,994 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:27,000 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:27,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2021-06-16 20:36:27,002 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:27,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:27,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:27,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:27,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:27,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:27,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:27,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:27,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:27,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:27,011 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:27,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2021-06-16 20:36:27,013 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:27,045 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:36:27,050 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-06-16 20:36:27,050 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:255, output treesize:111 [2021-06-16 20:36:27,656 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2021-06-16 20:36:27,930 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-06-16 20:36:28,280 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-06-16 20:36:28,370 INFO L446 ElimStorePlain]: Different costs {10=[array_4], 91=[array_0]} [2021-06-16 20:36:28,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,383 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:28,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 48 [2021-06-16 20:36:28,387 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-06-16 20:36:28,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,400 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:28,402 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 20:36:28,404 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:28,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,420 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:28,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2021-06-16 20:36:28,423 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:28,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,436 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:28,440 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 20:36:28,442 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-06-16 20:36:28,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,456 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:28,457 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 51 treesize of output 35 [2021-06-16 20:36:28,459 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:28,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,473 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:28,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2021-06-16 20:36:28,477 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:28,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,491 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:28,493 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 20:36:28,494 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:28,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,510 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:28,512 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 61 treesize of output 43 [2021-06-16 20:36:28,513 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2021-06-16 20:36:28,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,527 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:28,529 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 70 treesize of output 50 [2021-06-16 20:36:28,531 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2021-06-16 20:36:28,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:28,545 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 20:36:28,547 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:28,791 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 99 [2021-06-16 20:36:28,792 INFO L628 ElimStorePlain]: treesize reduction 154, result has 70.3 percent of original size [2021-06-16 20:36:28,797 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:28,798 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:28,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-06-16 20:36:28,799 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:28,804 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:28,804 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:28,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-16 20:36:28,805 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:28,813 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:28,813 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:28,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 19 [2021-06-16 20:36:28,814 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:28,819 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:28,819 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:28,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-06-16 20:36:28,820 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:28,833 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:36:28,838 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:28,838 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:28,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-16 20:36:28,839 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:28,844 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:28,844 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:28,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-16 20:36:28,845 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:28,853 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:36:28,858 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:28,859 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:28,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-16 20:36:28,859 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:28,864 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:28,864 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:28,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-16 20:36:28,865 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:28,888 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:36:28,894 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:28,894 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:28,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-16 20:36:28,895 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:28,907 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:28,907 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:28,907 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 23 treesize of output 11 [2021-06-16 20:36:28,908 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:28,913 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:28,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-06-16 20:36:28,914 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:28,923 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:36:29,024 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-06-16 20:36:29,024 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:36:29,028 INFO L550 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-06-16 20:36:29,029 INFO L247 ElimStorePlain]: Needed 22 recursive calls to eliminate 12 variables, input treesize:749, output treesize:185 [2021-06-16 20:36:29,216 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2021-06-16 20:36:29,368 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 20:36:29,368 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1379931275] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:36:29,368 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:36:29,368 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18] total 34 [2021-06-16 20:36:29,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044169044] [2021-06-16 20:36:29,369 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-06-16 20:36:29,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:36:29,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-06-16 20:36:29,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=1043, Unknown=0, NotChecked=0, Total=1122 [2021-06-16 20:36:29,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:36:29,369 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:36:29,369 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 34 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:36:29,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:36:29,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:29,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:29,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:29,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:29,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:29,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:29,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:29,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:36:29,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:29,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:29,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:36:29,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:29,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:29,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:36:29,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:29,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:36:29,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:29,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:29,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:36:29,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:36:29,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:29,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:36:29,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:36:29,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:29,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:29,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:36:30,725 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 101 [2021-06-16 20:36:30,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:36:30,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:30,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:30,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:30,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:30,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:30,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:30,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:30,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:36:30,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:30,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:30,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:36:30,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:30,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:30,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:36:30,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:30,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:36:30,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:30,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:30,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:36:30,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:36:30,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:30,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:36:30,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:36:30,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:30,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:30,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:36:31,054 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable349 [2021-06-16 20:36:31,054 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:36:31,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:36:31,054 INFO L82 PathProgramCache]: Analyzing trace with hash -1143113668, now seen corresponding path program 22 times [2021-06-16 20:36:31,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:36:31,055 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641768039] [2021-06-16 20:36:31,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:36:31,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:36:31,399 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:36:31,399 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:36:31,399 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641768039] [2021-06-16 20:36:31,399 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641768039] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:36:31,399 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2106494837] [2021-06-16 20:36:31,399 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:36:31,454 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-16 20:36:31,455 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:36:31,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 49 conjunts are in the unsatisfiable core [2021-06-16 20:36:31,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:36:32,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,377 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:32,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,382 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:32,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 41 [2021-06-16 20:36:32,386 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:32,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,395 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:32,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,400 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:32,402 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 20:36:32,403 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:32,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,413 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:32,419 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:32,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2021-06-16 20:36:32,425 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:32,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,434 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:32,440 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:32,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 33 [2021-06-16 20:36:32,442 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:32,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,453 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:32,459 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:32,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2021-06-16 20:36:32,461 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:32,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:32,470 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:32,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 33 [2021-06-16 20:36:32,471 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:32,574 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2021-06-16 20:36:32,574 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.6 percent of original size [2021-06-16 20:36:32,581 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2021-06-16 20:36:32,581 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:397, output treesize:131 [2021-06-16 20:36:33,084 INFO L446 ElimStorePlain]: Different costs {0=[array_4, v_prenex_100], 1=[array_0, v_prenex_99]} [2021-06-16 20:36:33,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-16 20:36:33,088 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:33,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-16 20:36:33,091 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:33,124 INFO L628 ElimStorePlain]: treesize reduction 61, result has 44.0 percent of original size [2021-06-16 20:36:33,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-16 20:36:33,131 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-16 20:36:33,147 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:36:33,147 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-06-16 20:36:33,149 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:33,150 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:33,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-16 20:36:33,151 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:33,153 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:33,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-16 20:36:33,154 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:33,160 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:36:33,174 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:36:33,177 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-16 20:36:33,177 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:123, output treesize:23 [2021-06-16 20:36:33,263 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:36:33,263 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2106494837] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:36:33,263 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:36:33,263 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 36 [2021-06-16 20:36:33,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367903267] [2021-06-16 20:36:33,264 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-16 20:36:33,264 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:36:33,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-16 20:36:33,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1174, Unknown=0, NotChecked=0, Total=1260 [2021-06-16 20:36:33,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:36:33,265 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:36:33,265 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 36 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:36:33,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:36:33,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:33,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:33,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:33,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:33,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:33,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:33,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:33,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:36:33,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:33,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:33,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:36:33,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:33,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:33,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:36:33,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:33,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:36:33,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:33,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:33,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:36:33,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:36:33,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:33,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:36:33,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:36:33,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:33,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:33,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:36:33,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:36:34,322 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 107 [2021-06-16 20:36:34,524 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2021-06-16 20:36:34,749 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 101 [2021-06-16 20:36:34,981 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 109 [2021-06-16 20:36:35,284 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 94 [2021-06-16 20:36:35,533 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2021-06-16 20:36:35,864 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 95 [2021-06-16 20:36:36,159 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 95 [2021-06-16 20:36:36,441 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 94 [2021-06-16 20:36:36,723 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 95 [2021-06-16 20:36:37,026 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 111 [2021-06-16 20:36:37,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:36:37,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:37,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:37,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:37,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:37,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:37,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:37,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:37,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:36:37,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:37,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:37,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:36:37,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:37,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:37,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:36:37,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:37,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:36:37,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:37,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:37,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:36:37,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:36:37,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:37,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:36:37,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:36:37,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:37,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:37,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:36:37,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:36:37,307 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable380,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:36:37,307 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:36:37,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:36:37,307 INFO L82 PathProgramCache]: Analyzing trace with hash -419233606, now seen corresponding path program 23 times [2021-06-16 20:36:37,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:36:37,308 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76157613] [2021-06-16 20:36:37,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:36:37,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:36:37,605 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:36:37,605 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:36:37,605 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76157613] [2021-06-16 20:36:37,606 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76157613] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:36:37,606 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2067361597] [2021-06-16 20:36:37,606 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:36:37,655 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-16 20:36:37,655 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:36:37,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 38 conjunts are in the unsatisfiable core [2021-06-16 20:36:37,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:36:37,959 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:37,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-16 20:36:37,961 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:37,963 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:37,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:36:37,964 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:37,966 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:36:37,967 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:37,968 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:36:37,969 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:37,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-16 20:36:37,972 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:37,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-16 20:36:37,975 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:38,001 INFO L628 ElimStorePlain]: treesize reduction 6, result has 84.2 percent of original size [2021-06-16 20:36:38,001 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-16 20:36:38,002 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-06-16 20:36:38,220 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:38,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:36:38,221 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:38,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-16 20:36:38,225 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:38,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-16 20:36:38,228 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:38,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-16 20:36:38,230 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:38,262 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-06-16 20:36:38,262 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-16 20:36:38,263 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 20:36:38,263 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-16 20:36:38,301 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:36:38,301 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2067361597] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:36:38,302 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:36:38,302 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 37 [2021-06-16 20:36:38,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723380109] [2021-06-16 20:36:38,302 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-16 20:36:38,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:36:38,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-16 20:36:38,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1243, Unknown=0, NotChecked=0, Total=1332 [2021-06-16 20:36:38,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:36:38,303 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:36:38,303 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 37 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:36:38,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:36:38,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:38,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:38,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:38,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:38,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:38,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:38,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:38,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:36:38,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:38,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:38,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:36:38,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:38,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:38,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:36:38,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:38,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:36:38,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:38,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:38,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:36:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:36:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:36:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:36:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:36:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:36:38,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:36:41,367 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 105 [2021-06-16 20:36:41,903 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 150 [2021-06-16 20:36:42,766 WARN L205 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 127 [2021-06-16 20:36:43,425 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 131 [2021-06-16 20:36:43,837 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 138 [2021-06-16 20:36:43,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:36:43,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:43,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:43,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:43,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:43,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:43,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:43,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:43,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:36:43,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:43,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:43,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:36:43,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:43,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:43,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:36:43,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:43,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:36:43,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:43,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:43,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:36:43,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:36:43,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:43,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:36:43,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:36:43,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:43,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:43,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:36:43,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:36:43,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:36:44,163 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable399 [2021-06-16 20:36:44,163 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:36:44,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:36:44,163 INFO L82 PathProgramCache]: Analyzing trace with hash -325929234, now seen corresponding path program 24 times [2021-06-16 20:36:44,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:36:44,163 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618127568] [2021-06-16 20:36:44,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:36:44,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:36:44,542 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:36:44,543 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:36:44,543 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618127568] [2021-06-16 20:36:44,543 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618127568] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:36:44,543 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2037801965] [2021-06-16 20:36:44,543 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 20:36:44,586 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-16 20:36:44,586 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:36:44,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 49 conjunts are in the unsatisfiable core [2021-06-16 20:36:44,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:36:44,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:44,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:44,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:44,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:44,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:44,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:44,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 40 [2021-06-16 20:36:44,839 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:44,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:44,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:44,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:44,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:44,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:44,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:44,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2021-06-16 20:36:44,850 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:44,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:44,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:44,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:44,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:44,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:44,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:44,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 42 [2021-06-16 20:36:44,862 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-16 20:36:44,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:44,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:44,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:44,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:44,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:44,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:44,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2021-06-16 20:36:44,869 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:44,921 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:36:44,922 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-16 20:36:44,922 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:251, output treesize:107 [2021-06-16 20:36:45,282 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:45,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-16 20:36:45,284 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:45,287 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:45,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-16 20:36:45,288 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:45,292 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:45,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:36:45,293 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:45,296 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:45,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-16 20:36:45,298 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:45,301 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:36:45,301 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:45,305 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:45,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-16 20:36:45,306 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:45,309 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:36:45,309 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:45,313 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:45,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-16 20:36:45,314 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:45,316 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:45,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-06-16 20:36:45,318 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:45,321 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:45,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-16 20:36:45,322 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:45,324 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:36:45,325 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:45,327 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:36:45,328 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:45,330 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:45,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-16 20:36:45,332 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:45,334 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:36:45,334 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:45,385 INFO L628 ElimStorePlain]: treesize reduction 83, result has 42.8 percent of original size [2021-06-16 20:36:45,388 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:45,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-16 20:36:45,389 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:45,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-16 20:36:45,392 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:45,410 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:36:45,411 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-06-16 20:36:45,411 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 2 variables, input treesize:377, output treesize:46 [2021-06-16 20:36:45,504 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:36:45,504 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2037801965] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:36:45,504 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:36:45,504 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 31 [2021-06-16 20:36:45,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834297258] [2021-06-16 20:36:45,505 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-16 20:36:45,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:36:45,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-16 20:36:45,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=844, Unknown=0, NotChecked=0, Total=930 [2021-06-16 20:36:45,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:36:45,505 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:36:45,505 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.4838709677419355) internal successors, (46), 31 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:36:45,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:36:45,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:45,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:45,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:45,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:45,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:45,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:45,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:45,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:36:45,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:45,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:45,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:36:45,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:45,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:45,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:36:45,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:45,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:36:45,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:45,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:45,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:36:45,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:36:45,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:45,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:36:45,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:36:45,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:45,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:45,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:36:45,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:36:45,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:36:45,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:36:46,132 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2021-06-16 20:36:46,801 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2021-06-16 20:36:47,468 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2021-06-16 20:36:48,630 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2021-06-16 20:36:48,838 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2021-06-16 20:36:49,012 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2021-06-16 20:36:49,193 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2021-06-16 20:36:49,369 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2021-06-16 20:36:49,592 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2021-06-16 20:36:49,886 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 112 [2021-06-16 20:36:50,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:36:50,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:50,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:50,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:50,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:50,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:50,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:50,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:50,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:36:50,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:50,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:50,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:36:50,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:50,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:50,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:36:50,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:50,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:36:50,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:50,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:50,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:36:50,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:36:50,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:50,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:36:50,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:36:50,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:36:50,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:50,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:36:50,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:36:50,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:36:50,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-16 20:36:50,804 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable407,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:36:50,805 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:36:50,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:36:50,805 INFO L82 PathProgramCache]: Analyzing trace with hash 299097788, now seen corresponding path program 25 times [2021-06-16 20:36:50,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:36:50,805 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687274534] [2021-06-16 20:36:50,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:36:50,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:36:50,973 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:36:50,973 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:36:50,974 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687274534] [2021-06-16 20:36:50,974 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687274534] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:36:50,974 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [713115004] [2021-06-16 20:36:50,974 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:36:51,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:36:51,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-16 20:36:51,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:36:51,080 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:51,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-16 20:36:51,082 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:51,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-16 20:36:51,084 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:51,096 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:36:51,097 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 20:36:51,097 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-16 20:36:51,193 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:51,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-16 20:36:51,194 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:51,196 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:51,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-16 20:36:51,198 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:51,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-16 20:36:51,200 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:51,202 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:36:51,202 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:51,217 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-06-16 20:36:51,217 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-16 20:36:51,218 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 20:36:51,218 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-16 20:36:51,243 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:36:51,244 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [713115004] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:36:51,244 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:36:51,244 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 22 [2021-06-16 20:36:51,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62458870] [2021-06-16 20:36:51,244 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-16 20:36:51,244 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:36:51,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-16 20:36:51,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-06-16 20:36:51,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:36:51,245 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:36:51,245 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:36:51,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:36:51,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:51,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:51,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:51,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:51,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:51,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:51,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:51,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:36:51,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:51,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:51,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:36:51,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:51,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:51,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:36:51,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:51,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:36:51,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:51,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:51,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:36:51,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:36:51,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:51,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:36:51,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:36:51,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:36:51,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:51,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:36:51,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:36:51,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:36:51,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-06-16 20:36:51,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:36:53,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:36:53,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:53,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:53,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:53,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:53,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:53,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:53,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:53,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:36:53,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:53,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:53,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:36:53,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:53,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:53,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:36:53,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:53,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:36:53,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:53,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:53,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:36:53,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:36:53,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:53,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:36:53,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:36:53,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:36:53,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:53,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:36:53,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:36:53,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:36:53,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-16 20:36:53,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:36:53,697 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable425 [2021-06-16 20:36:53,697 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:36:53,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:36:53,697 INFO L82 PathProgramCache]: Analyzing trace with hash 1257096530, now seen corresponding path program 26 times [2021-06-16 20:36:53,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:36:53,697 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186513877] [2021-06-16 20:36:53,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:36:53,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:36:54,037 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:36:54,037 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:36:54,037 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186513877] [2021-06-16 20:36:54,037 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186513877] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:36:54,037 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445045355] [2021-06-16 20:36:54,037 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:36:54,077 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 20:36:54,077 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:36:54,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 49 conjunts are in the unsatisfiable core [2021-06-16 20:36:54,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:36:54,269 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:54,270 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:54,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:36:54,271 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:54,272 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:54,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-16 20:36:54,273 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:54,287 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:36:54,288 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-06-16 20:36:54,288 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:51, output treesize:37 [2021-06-16 20:36:54,776 INFO L446 ElimStorePlain]: Different costs {10=[array_4], 15=[array_0]} [2021-06-16 20:36:54,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:54,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:54,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:54,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:54,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:54,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:54,788 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:54,790 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 20:36:54,792 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:54,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:54,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:54,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:54,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:54,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:54,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:54,802 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:54,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2021-06-16 20:36:54,824 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:54,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:54,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:54,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:54,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:54,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:54,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:54,834 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:54,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2021-06-16 20:36:54,838 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:54,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:54,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:54,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:54,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:54,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:54,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:36:54,844 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 20:36:54,846 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-06-16 20:36:54,931 INFO L628 ElimStorePlain]: treesize reduction 38, result has 72.7 percent of original size [2021-06-16 20:36:54,935 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:54,936 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:54,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-16 20:36:54,937 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:54,940 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:54,940 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:54,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-16 20:36:54,941 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:54,949 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:36:54,951 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:54,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-06-16 20:36:54,952 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:54,987 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:36:54,988 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-16 20:36:54,988 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:281, output treesize:55 [2021-06-16 20:36:55,094 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:36:55,094 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1445045355] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:36:55,094 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:36:55,094 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 32 [2021-06-16 20:36:55,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665224524] [2021-06-16 20:36:55,094 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-16 20:36:55,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:36:55,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-16 20:36:55,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=908, Unknown=0, NotChecked=0, Total=992 [2021-06-16 20:36:55,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:36:55,095 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:36:55,095 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 1.5) internal successors, (48), 32 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:36:55,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:36:55,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:55,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:55,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:55,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:55,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:55,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:55,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:55,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:36:55,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:55,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:55,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:36:55,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:55,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:55,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:36:55,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:55,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:36:55,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:55,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:55,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:36:55,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:36:55,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:55,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:36:55,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:36:55,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:36:55,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:55,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:36:55,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:36:55,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:36:55,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-16 20:36:55,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:36:55,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:36:55,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:36:55,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:55,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:55,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:55,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:55,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:55,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:55,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:55,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:36:55,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:55,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:55,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:36:55,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:55,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:55,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:36:55,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:55,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:36:55,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:55,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:55,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:36:55,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:36:55,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:55,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:36:55,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:36:55,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:36:55,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:55,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:36:55,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:36:55,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:36:55,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-16 20:36:55,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:36:55,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:36:56,079 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable431 [2021-06-16 20:36:56,079 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:36:56,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:36:56,079 INFO L82 PathProgramCache]: Analyzing trace with hash 155654066, now seen corresponding path program 27 times [2021-06-16 20:36:56,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:36:56,079 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835440138] [2021-06-16 20:36:56,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:36:56,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:36:56,303 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:36:56,304 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:36:56,304 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835440138] [2021-06-16 20:36:56,304 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835440138] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:36:56,304 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1934968472] [2021-06-16 20:36:56,304 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:36:56,358 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-16 20:36:56,358 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:36:56,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 38 conjunts are in the unsatisfiable core [2021-06-16 20:36:56,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:36:56,433 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:56,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:36:56,434 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:56,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:36:56,436 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:56,449 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:36:56,449 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 20:36:56,449 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-16 20:36:56,584 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:36:56,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:36:56,585 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:56,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-16 20:36:56,588 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:36:56,602 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-16 20:36:56,602 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-16 20:36:56,603 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 20:36:56,603 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-16 20:36:56,630 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:36:56,630 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1934968472] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:36:56,630 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:36:56,630 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 26 [2021-06-16 20:36:56,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324904936] [2021-06-16 20:36:56,630 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-16 20:36:56,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:36:56,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-16 20:36:56,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2021-06-16 20:36:56,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:36:56,631 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:36:56,631 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 26 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:36:56,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:36:56,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:56,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:56,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:56,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:56,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:56,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:56,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:56,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:36:56,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:56,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:56,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:36:56,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:56,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:56,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:36:56,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:56,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:36:56,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:56,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:56,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:36:56,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:36:56,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:56,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:36:56,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:36:56,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:36:56,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:56,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:36:56,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:36:56,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:36:56,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-16 20:36:56,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:36:56,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:36:56,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:36:57,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:36:57,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:57,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:57,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:57,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:36:57,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:57,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:57,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:57,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:36:57,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:36:57,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:57,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:36:57,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:57,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:57,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:36:57,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:36:57,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:36:57,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:36:57,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:36:57,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:36:57,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:36:57,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:57,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:36:57,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:36:57,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:36:57,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:36:57,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:36:57,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:36:57,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:36:57,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-16 20:36:57,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:36:57,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:36:57,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:36:57,556 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable449,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:36:57,556 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:36:57,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:36:57,556 INFO L82 PathProgramCache]: Analyzing trace with hash 1187860484, now seen corresponding path program 28 times [2021-06-16 20:36:57,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:36:57,556 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661651060] [2021-06-16 20:36:57,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:36:57,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:36:58,363 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:36:58,363 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:36:58,363 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661651060] [2021-06-16 20:36:58,363 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661651060] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:36:58,363 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841475745] [2021-06-16 20:36:58,363 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:36:58,406 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-16 20:36:58,406 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:36:58,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 71 conjunts are in the unsatisfiable core [2021-06-16 20:36:58,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:36:59,417 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 109 [2021-06-16 20:36:59,828 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 113 [2021-06-16 20:37:00,292 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 166 [2021-06-16 20:37:00,848 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 170 [2021-06-16 20:37:00,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:00,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:00,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:00,980 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:00,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:00,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:00,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:00,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:00,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:00,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:00,985 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:00,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:00,986 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:00,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:00,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:00,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:00,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:00,989 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:00,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:00,990 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:00,993 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:00,999 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:01,001 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:01,004 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:01,006 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:01,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 67 [2021-06-16 20:37:01,008 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:01,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,014 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:01,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,019 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:01,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,020 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:01,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,023 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:01,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,024 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:01,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 59 [2021-06-16 20:37:01,025 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:01,450 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 116 [2021-06-16 20:37:01,451 INFO L628 ElimStorePlain]: treesize reduction 63, result has 88.0 percent of original size [2021-06-16 20:37:01,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,459 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:01,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,464 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:01,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,467 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:01,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,469 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:01,469 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:01,473 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:01,479 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:01,483 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:01,484 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:01,485 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:01,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 59 [2021-06-16 20:37:01,487 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:01,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,493 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:01,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,498 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:01,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,501 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:01,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,502 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:01,503 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:01,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 67 [2021-06-16 20:37:01,504 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:01,603 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:37:01,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,613 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:01,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,617 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:01,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,618 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:01,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,620 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:01,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,621 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:01,627 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:01,631 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:01,633 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:01,635 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:01,637 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:01,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 67 [2021-06-16 20:37:01,639 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:01,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,649 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:01,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,653 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:01,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,654 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:01,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,656 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:01,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:01,657 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:01,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 69 [2021-06-16 20:37:01,659 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:01,736 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:37:01,744 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 5 dim-0 vars, and 5 xjuncts. [2021-06-16 20:37:01,744 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:612, output treesize:307 [2021-06-16 20:37:02,929 INFO L446 ElimStorePlain]: Different costs {0=[array_4, v_prenex_121, v_prenex_123], 15=[array_0, v_prenex_120, v_prenex_122]} [2021-06-16 20:37:02,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 44 [2021-06-16 20:37:02,943 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:02,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2021-06-16 20:37:02,948 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:03,074 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2021-06-16 20:37:03,075 INFO L628 ElimStorePlain]: treesize reduction 67, result has 77.1 percent of original size [2021-06-16 20:37:03,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 49 [2021-06-16 20:37:03,081 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-16 20:37:03,136 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:37:03,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 43 [2021-06-16 20:37:03,149 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:03,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 41 [2021-06-16 20:37:03,154 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:03,187 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:37:03,191 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:03,191 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:03,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-06-16 20:37:03,192 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:03,195 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:03,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-16 20:37:03,196 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:03,228 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:37:03,231 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:03,231 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:03,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-16 20:37:03,232 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:03,235 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:03,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-16 20:37:03,236 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:03,243 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:37:03,277 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:37:03,280 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:03,281 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:03,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-06-16 20:37:03,282 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:03,284 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:03,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-16 20:37:03,285 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:03,314 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:37:03,316 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 6 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-16 20:37:03,316 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 9 variables, input treesize:379, output treesize:31 [2021-06-16 20:37:03,419 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:37:03,419 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [841475745] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:37:03,419 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:37:03,419 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21] total 40 [2021-06-16 20:37:03,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521577695] [2021-06-16 20:37:03,419 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-06-16 20:37:03,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:37:03,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-06-16 20:37:03,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=1470, Unknown=0, NotChecked=0, Total=1560 [2021-06-16 20:37:03,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:37:03,420 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:37:03,420 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.375) internal successors, (55), 40 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:37:03,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:37:03,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:37:03,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:03,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:03,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:03,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:37:03,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:03,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:03,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:37:03,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:37:03,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:03,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:37:03,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:03,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:03,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:37:03,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:03,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:37:03,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:37:03,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:03,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:37:03,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:37:03,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:03,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:37:03,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:37:03,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:37:03,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:03,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:37:03,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:37:03,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:37:03,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-16 20:37:03,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:37:03,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:37:03,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:37:03,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:37:05,089 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2021-06-16 20:37:05,486 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 126 [2021-06-16 20:37:05,960 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 142 [2021-06-16 20:37:06,503 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 146 [2021-06-16 20:37:07,107 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 150 [2021-06-16 20:37:07,909 WARN L205 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 153 [2021-06-16 20:37:08,270 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 149 [2021-06-16 20:37:08,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:37:08,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:37:08,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:08,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:08,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:08,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:37:08,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:08,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:08,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:37:08,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:37:08,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:08,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:37:08,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:08,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:08,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:37:08,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:08,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:37:08,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:37:08,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:08,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:37:08,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:37:08,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:08,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:37:08,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:37:08,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:37:08,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:08,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:37:08,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:37:08,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:37:08,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-16 20:37:08,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:37:08,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:37:08,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:37:08,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 20:37:08,697 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable452 [2021-06-16 20:37:08,697 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:37:08,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:37:08,698 INFO L82 PathProgramCache]: Analyzing trace with hash -736392604, now seen corresponding path program 29 times [2021-06-16 20:37:08,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:37:08,698 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597878840] [2021-06-16 20:37:08,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:37:08,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:37:09,099 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:37:09,099 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:37:09,099 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597878840] [2021-06-16 20:37:09,099 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597878840] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:37:09,099 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096938235] [2021-06-16 20:37:09,099 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:37:09,146 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-16 20:37:09,146 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:37:09,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 59 conjunts are in the unsatisfiable core [2021-06-16 20:37:09,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:37:10,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,379 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:10,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,385 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:10,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 48 [2021-06-16 20:37:10,393 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:10,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,407 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:10,416 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:10,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-16 20:37:10,419 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:10,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,432 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:10,441 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:10,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-06-16 20:37:10,443 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:10,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,456 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:10,465 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:10,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 40 [2021-06-16 20:37:10,468 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:10,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,480 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:10,489 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:10,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 40 [2021-06-16 20:37:10,493 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:10,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,498 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:10,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:10,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 20:37:10,504 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:10,627 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2021-06-16 20:37:10,628 INFO L628 ElimStorePlain]: treesize reduction 8, result has 95.1 percent of original size [2021-06-16 20:37:10,634 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2021-06-16 20:37:10,634 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:487, output treesize:149 [2021-06-16 20:37:11,230 INFO L446 ElimStorePlain]: Different costs {0=[array_4], 1=[array_0]} [2021-06-16 20:37:11,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-16 20:37:11,234 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-16 20:37:11,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-16 20:37:11,237 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:11,259 INFO L628 ElimStorePlain]: treesize reduction 41, result has 43.1 percent of original size [2021-06-16 20:37:11,261 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:11,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-16 20:37:11,262 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:11,268 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:37:11,269 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 20:37:11,269 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:68, output treesize:11 [2021-06-16 20:37:11,317 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:37:11,317 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1096938235] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:37:11,317 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:37:11,317 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 41 [2021-06-16 20:37:11,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438371694] [2021-06-16 20:37:11,318 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-06-16 20:37:11,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:37:11,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-06-16 20:37:11,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1523, Unknown=0, NotChecked=0, Total=1640 [2021-06-16 20:37:11,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:37:11,318 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:37:11,318 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 41 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:37:11,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:37:11,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:37:11,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:11,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:11,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:11,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:37:11,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:11,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:11,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:37:11,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:37:11,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:11,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:37:11,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:11,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:11,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:37:11,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:11,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:37:11,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:37:11,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:11,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:37:11,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:37:11,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:11,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:37:11,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:37:11,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:37:11,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:11,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:37:11,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:37:11,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:37:11,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-16 20:37:11,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:37:11,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:37:11,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:37:11,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 20:37:11,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:37:14,394 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2021-06-16 20:37:14,639 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 109 [2021-06-16 20:37:14,894 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 109 [2021-06-16 20:37:15,152 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 85 [2021-06-16 20:37:15,408 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 85 [2021-06-16 20:37:15,679 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 109 [2021-06-16 20:37:16,029 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2021-06-16 20:37:16,310 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2021-06-16 20:37:16,650 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2021-06-16 20:37:16,936 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2021-06-16 20:37:17,216 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2021-06-16 20:37:17,504 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2021-06-16 20:37:17,795 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2021-06-16 20:37:18,089 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2021-06-16 20:37:18,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:37:18,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:37:18,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:18,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:18,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:18,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:37:18,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:18,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:18,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:37:18,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:37:18,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:18,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:37:18,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:18,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:18,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:37:18,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:18,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:37:18,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:37:18,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:18,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:37:18,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:37:18,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:18,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:37:18,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:37:18,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:37:18,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:18,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:37:18,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:37:18,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:37:18,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-16 20:37:18,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:37:18,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:37:18,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:37:18,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 20:37:18,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:37:18,376 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable511,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:37:18,376 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:37:18,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:37:18,377 INFO L82 PathProgramCache]: Analyzing trace with hash -695782510, now seen corresponding path program 30 times [2021-06-16 20:37:18,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:37:18,377 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609815966] [2021-06-16 20:37:18,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:37:18,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:37:18,782 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:37:18,782 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:37:18,782 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609815966] [2021-06-16 20:37:18,782 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609815966] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:37:18,782 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [848943278] [2021-06-16 20:37:18,782 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:37:18,830 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-16 20:37:18,830 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:37:18,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 44 conjunts are in the unsatisfiable core [2021-06-16 20:37:18,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:37:19,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-16 20:37:19,174 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:19,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-16 20:37:19,177 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:19,179 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:19,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-16 20:37:19,180 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:19,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-16 20:37:19,183 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:19,185 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:37:19,186 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:19,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:37:19,188 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:19,215 INFO L628 ElimStorePlain]: treesize reduction 14, result has 69.6 percent of original size [2021-06-16 20:37:19,216 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-16 20:37:19,216 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-06-16 20:37:19,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-16 20:37:19,472 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:19,474 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:19,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-16 20:37:19,475 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:19,477 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:19,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-16 20:37:19,478 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:19,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-16 20:37:19,481 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:19,497 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-06-16 20:37:19,497 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-16 20:37:19,498 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 20:37:19,498 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-16 20:37:19,546 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:37:19,546 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [848943278] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:37:19,547 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:37:19,547 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 43 [2021-06-16 20:37:19,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866930185] [2021-06-16 20:37:19,547 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-06-16 20:37:19,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:37:19,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-06-16 20:37:19,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=1701, Unknown=0, NotChecked=0, Total=1806 [2021-06-16 20:37:19,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:37:19,548 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:37:19,548 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 1.3953488372093024) internal successors, (60), 43 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:37:19,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:37:19,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:37:19,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:19,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:19,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:19,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:37:19,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:19,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:19,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:37:19,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:37:19,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:19,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:37:19,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:19,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:19,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:37:19,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:19,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:37:19,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:37:19,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:19,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:37:19,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:37:19,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:19,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:37:19,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:37:19,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:37:19,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:19,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:37:19,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:37:19,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:37:19,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-16 20:37:19,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:37:19,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:37:19,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:37:19,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 20:37:19,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:37:19,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:37:23,487 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 161 [2021-06-16 20:37:23,997 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 162 [2021-06-16 20:37:24,477 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 162 [2021-06-16 20:37:24,929 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 162 [2021-06-16 20:37:25,377 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 162 [2021-06-16 20:37:25,759 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 159 [2021-06-16 20:37:25,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:37:25,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:37:25,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:25,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:25,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:25,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:37:25,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:25,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:25,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:37:25,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:37:25,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:25,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:37:25,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:25,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:25,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:37:25,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:25,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:37:25,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:37:25,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:25,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:37:25,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:37:25,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:25,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:37:25,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:37:25,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:37:25,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:25,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:37:25,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:37:25,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:37:25,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-16 20:37:25,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:37:25,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:37:25,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:37:25,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:25,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:37:25,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:37:26,094 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable535 [2021-06-16 20:37:26,094 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:37:26,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:37:26,094 INFO L82 PathProgramCache]: Analyzing trace with hash -1173478926, now seen corresponding path program 31 times [2021-06-16 20:37:26,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:37:26,094 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294088754] [2021-06-16 20:37:26,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:37:26,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:37:26,646 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:37:26,646 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:37:26,646 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294088754] [2021-06-16 20:37:26,646 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294088754] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:37:26,646 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1227337864] [2021-06-16 20:37:26,646 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:37:26,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:37:26,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 59 conjunts are in the unsatisfiable core [2021-06-16 20:37:26,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:37:27,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 33 [2021-06-16 20:37:27,309 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:27,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 39 [2021-06-16 20:37:27,319 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:27,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 33 [2021-06-16 20:37:27,330 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:27,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 41 [2021-06-16 20:37:27,341 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-06-16 20:37:27,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 39 [2021-06-16 20:37:27,352 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:27,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-06-16 20:37:27,363 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:27,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-06-16 20:37:27,367 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:27,414 INFO L628 ElimStorePlain]: treesize reduction 28, result has 77.2 percent of original size [2021-06-16 20:37:27,414 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-16 20:37:27,415 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 1 variables, input treesize:354, output treesize:95 [2021-06-16 20:37:27,874 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:27,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-06-16 20:37:27,876 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:27,878 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:37:27,879 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:27,882 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:27,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:37:27,883 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:27,885 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:37:27,886 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:27,888 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:37:27,889 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:27,892 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:27,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:37:27,893 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:27,897 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:27,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-16 20:37:27,898 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:27,901 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:37:27,901 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:27,905 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:27,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-16 20:37:27,906 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:27,909 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:27,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:37:27,910 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:27,912 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:37:27,913 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:27,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:37:27,917 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:27,963 INFO L628 ElimStorePlain]: treesize reduction 68, result has 47.7 percent of original size [2021-06-16 20:37:27,966 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:27,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-16 20:37:27,967 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:27,969 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 10 treesize of output 5 [2021-06-16 20:37:27,970 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:27,988 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:37:27,989 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-06-16 20:37:27,989 INFO L247 ElimStorePlain]: Needed 15 recursive calls to eliminate 2 variables, input treesize:333, output treesize:46 [2021-06-16 20:37:28,104 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:37:28,105 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1227337864] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:37:28,105 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:37:28,105 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 43 [2021-06-16 20:37:28,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822606578] [2021-06-16 20:37:28,105 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-06-16 20:37:28,105 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:37:28,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-06-16 20:37:28,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=1711, Unknown=0, NotChecked=0, Total=1806 [2021-06-16 20:37:28,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:37:28,106 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:37:28,106 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 1.3488372093023255) internal successors, (58), 43 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:37:28,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:37:28,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:37:28,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:28,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:28,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:28,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:37:28,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:28,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:28,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:37:28,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:37:28,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:28,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:37:28,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:28,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:28,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:37:28,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:28,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:37:28,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:37:28,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:28,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:37:28,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:37:28,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:28,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:37:28,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:37:28,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:37:28,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:28,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:37:28,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:37:28,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:37:28,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-16 20:37:28,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:37:28,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:37:28,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:37:28,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:28,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:37:28,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:37:28,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:37:29,485 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 57 [2021-06-16 20:37:29,678 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 64 [2021-06-16 20:37:29,860 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 67 [2021-06-16 20:37:30,076 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 71 [2021-06-16 20:37:30,279 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 69 [2021-06-16 20:37:30,592 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 71 [2021-06-16 20:37:30,808 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 75 [2021-06-16 20:37:31,022 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 75 [2021-06-16 20:37:31,232 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 72 [2021-06-16 20:37:31,446 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 72 [2021-06-16 20:37:31,724 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2021-06-16 20:37:32,138 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 118 [2021-06-16 20:37:32,710 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 80 [2021-06-16 20:37:32,979 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 56 [2021-06-16 20:37:33,163 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 61 [2021-06-16 20:37:33,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:37:33,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:37:33,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:33,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:33,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:33,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:37:33,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:33,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:33,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:37:33,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:37:33,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:33,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:37:33,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:33,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:33,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:37:33,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:33,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:37:33,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:37:33,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:33,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:37:33,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:37:33,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:33,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:37:33,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:37:33,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:37:33,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:33,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:37:33,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:37:33,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:37:33,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-16 20:37:33,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:37:33,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:37:33,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:37:33,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:33,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:37:33,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:37:33,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:37:33,652 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable543 [2021-06-16 20:37:33,652 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:37:33,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:37:33,660 INFO L82 PathProgramCache]: Analyzing trace with hash 972838500, now seen corresponding path program 32 times [2021-06-16 20:37:33,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:37:33,660 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806944176] [2021-06-16 20:37:33,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:37:33,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:37:33,872 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:37:33,872 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:37:33,872 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806944176] [2021-06-16 20:37:33,872 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806944176] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:37:33,872 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [118700486] [2021-06-16 20:37:33,872 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:37:33,913 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 20:37:33,913 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:37:33,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 38 conjunts are in the unsatisfiable core [2021-06-16 20:37:33,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:37:34,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-16 20:37:34,005 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:34,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-16 20:37:34,007 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:34,020 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:37:34,021 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 20:37:34,021 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:51, output treesize:37 [2021-06-16 20:37:34,147 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:34,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-16 20:37:34,148 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:34,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-16 20:37:34,151 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:34,153 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:34,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-16 20:37:34,154 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:34,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-16 20:37:34,156 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:34,172 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-06-16 20:37:34,172 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-16 20:37:34,173 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 20:37:34,173 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-16 20:37:34,201 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:37:34,201 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [118700486] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:37:34,201 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:37:34,201 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 26 [2021-06-16 20:37:34,201 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664042451] [2021-06-16 20:37:34,201 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-16 20:37:34,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:37:34,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-16 20:37:34,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2021-06-16 20:37:34,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:37:34,202 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:37:34,202 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 26 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:37:34,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:37:34,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:37:34,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:34,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:34,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:34,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:37:34,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:34,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:34,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:37:34,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:37:34,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:34,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:37:34,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:34,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:34,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:37:34,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:34,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:37:34,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:37:34,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:34,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:37:34,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:37:34,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:34,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:37:34,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:37:34,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:37:34,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:34,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:37:34,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:37:34,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:37:34,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-16 20:37:34,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:37:34,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:37:34,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:37:34,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:34,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:37:34,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:37:34,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:37:34,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:37:35,452 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2021-06-16 20:37:35,635 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2021-06-16 20:37:35,913 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 58 [2021-06-16 20:37:36,222 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 63 [2021-06-16 20:37:38,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:37:38,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:37:38,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:38,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:38,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:38,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:37:38,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:38,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:38,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:37:38,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:37:38,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:38,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:37:38,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:38,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:38,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:37:38,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:38,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:37:38,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:37:38,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:38,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:37:38,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:37:38,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:38,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:37:38,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:37:38,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:37:38,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:38,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:37:38,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:37:38,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:37:38,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:37:38,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:37:38,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:37:38,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:37:38,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:38,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:37:38,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:37:38,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:37:38,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:37:38,681 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable568 [2021-06-16 20:37:38,682 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:37:38,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:37:38,682 INFO L82 PathProgramCache]: Analyzing trace with hash -531830278, now seen corresponding path program 33 times [2021-06-16 20:37:38,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:37:38,682 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666599947] [2021-06-16 20:37:38,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:37:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:37:39,125 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:37:39,125 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:37:39,125 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666599947] [2021-06-16 20:37:39,125 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666599947] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:37:39,126 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [632442450] [2021-06-16 20:37:39,126 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:37:39,183 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-16 20:37:39,183 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:37:39,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 72 conjunts are in the unsatisfiable core [2021-06-16 20:37:39,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:37:39,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:39,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:39,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:39,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:39,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:39,609 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:39,612 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:39,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 41 [2021-06-16 20:37:39,618 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:39,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:39,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:39,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:39,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:39,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:39,624 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:39,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 33 [2021-06-16 20:37:39,626 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:39,652 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:37:39,654 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-06-16 20:37:39,654 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:147, output treesize:69 [2021-06-16 20:37:40,135 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2021-06-16 20:37:40,373 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2021-06-16 20:37:40,628 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2021-06-16 20:37:40,951 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2021-06-16 20:37:41,025 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_140, array_4, v_prenex_142], 5=[array_0, v_prenex_141, v_prenex_139]} [2021-06-16 20:37:41,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 39 [2021-06-16 20:37:41,038 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:41,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-06-16 20:37:41,044 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:41,129 INFO L628 ElimStorePlain]: treesize reduction 156, result has 44.1 percent of original size [2021-06-16 20:37:41,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 41 [2021-06-16 20:37:41,134 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-16 20:37:41,162 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:37:41,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-06-16 20:37:41,166 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:41,187 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:37:41,190 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:41,190 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:41,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-16 20:37:41,191 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:41,193 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:41,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-16 20:37:41,194 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:41,201 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:37:41,220 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:37:41,220 INFO L518 ElimStorePlain]: Eliminatee v_prenex_141 vanished before elimination [2021-06-16 20:37:41,220 INFO L518 ElimStorePlain]: Eliminatee v_prenex_139 vanished before elimination [2021-06-16 20:37:41,221 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 6 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-16 20:37:41,221 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 9 variables, input treesize:349, output treesize:21 [2021-06-16 20:37:41,274 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:37:41,275 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [632442450] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:37:41,275 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:37:41,275 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 37 [2021-06-16 20:37:41,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101729906] [2021-06-16 20:37:41,275 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-16 20:37:41,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:37:41,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-16 20:37:41,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1243, Unknown=0, NotChecked=0, Total=1332 [2021-06-16 20:37:41,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:37:41,276 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:37:41,276 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 37 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 20:37:41,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:37:41,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:37:41,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:41,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:41,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:41,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:37:41,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:41,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:41,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:37:41,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:37:41,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:41,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:37:41,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:41,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:41,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:37:41,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:41,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:37:41,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:37:41,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:41,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:37:41,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:37:41,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:41,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:37:41,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:37:41,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:37:41,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:41,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:37:41,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:37:41,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:37:41,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:37:41,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:37:41,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:37:41,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:37:41,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:41,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:37:41,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:37:41,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:37:41,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:37:41,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:37:43,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:37:43,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:37:43,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:43,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:43,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:43,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:37:43,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:43,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:43,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:37:43,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:37:43,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:43,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:37:43,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:43,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:43,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:37:43,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:43,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:37:43,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:37:43,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:43,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:37:43,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:37:43,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:43,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:37:43,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:37:43,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:37:43,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:43,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:37:43,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:37:43,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:37:43,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:37:43,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:37:43,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:37:43,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:37:43,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:43,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:37:43,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:37:43,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:37:43,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:37:43,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:43,466 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable574 [2021-06-16 20:37:43,466 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:37:43,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:37:43,466 INFO L82 PathProgramCache]: Analyzing trace with hash 1787768622, now seen corresponding path program 34 times [2021-06-16 20:37:43,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:37:43,466 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043094159] [2021-06-16 20:37:43,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:37:43,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:37:43,743 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:37:43,743 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:37:43,743 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043094159] [2021-06-16 20:37:43,743 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043094159] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:37:43,743 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2090416247] [2021-06-16 20:37:43,743 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:37:43,797 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-16 20:37:43,797 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:37:43,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 44 conjunts are in the unsatisfiable core [2021-06-16 20:37:43,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:37:43,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-16 20:37:43,898 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:43,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-16 20:37:43,901 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:43,913 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:37:43,914 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 20:37:43,914 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-16 20:37:44,087 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:44,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:37:44,088 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:44,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-16 20:37:44,090 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:44,105 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-16 20:37:44,105 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-16 20:37:44,106 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 20:37:44,106 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-16 20:37:44,135 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:37:44,135 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2090416247] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:37:44,135 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:37:44,135 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 30 [2021-06-16 20:37:44,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164782988] [2021-06-16 20:37:44,135 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-16 20:37:44,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:37:44,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-16 20:37:44,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=795, Unknown=0, NotChecked=0, Total=870 [2021-06-16 20:37:44,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:37:44,136 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:37:44,136 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 1.4) internal successors, (42), 30 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:37:44,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:37:44,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:37:44,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:44,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:44,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:44,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:37:44,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:44,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:44,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:37:44,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:37:44,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:44,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:37:44,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:44,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:44,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:37:44,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:44,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:37:44,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:37:44,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:44,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:37:44,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:37:44,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:44,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:37:44,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:37:44,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:37:44,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:44,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:37:44,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:37:44,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:37:44,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:37:44,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:37:44,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:37:44,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:37:44,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:44,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:37:44,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:37:44,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:37:44,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:37:44,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:44,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:37:45,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:37:45,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:37:45,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:45,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:45,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:45,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:37:45,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:45,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:45,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:37:45,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:37:45,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:45,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:37:45,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:45,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:45,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:37:45,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:45,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:37:45,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:37:45,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:45,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:37:45,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:37:45,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:45,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:37:45,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:37:45,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:37:45,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:45,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:37:45,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:37:45,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:37:45,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:37:45,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:37:45,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:37:45,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:37:45,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:45,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:37:45,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:37:45,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:37:45,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:37:45,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:45,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:37:45,312 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable620 [2021-06-16 20:37:45,312 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:37:45,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:37:45,313 INFO L82 PathProgramCache]: Analyzing trace with hash 243804168, now seen corresponding path program 35 times [2021-06-16 20:37:45,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:37:45,313 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518453531] [2021-06-16 20:37:45,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:37:45,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:37:46,111 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:37:46,111 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:37:46,111 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518453531] [2021-06-16 20:37:46,111 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518453531] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:37:46,111 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111467115] [2021-06-16 20:37:46,111 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:37:46,160 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-16 20:37:46,160 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:37:46,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 83 conjunts are in the unsatisfiable core [2021-06-16 20:37:46,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:37:47,436 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 122 [2021-06-16 20:37:47,932 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 126 [2021-06-16 20:37:48,464 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 130 [2021-06-16 20:37:49,096 WARN L205 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 132 [2021-06-16 20:37:49,846 WARN L205 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 195 [2021-06-16 20:37:49,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:49,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:49,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:49,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:49,958 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:49,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:49,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:49,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:49,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:49,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:49,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:49,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:49,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:49,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:49,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:49,967 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:49,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:49,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:49,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:49,970 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:49,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:49,971 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:49,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:49,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:49,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:49,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:49,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:49,975 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:49,976 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:49,979 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:49,989 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:49,994 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:49,995 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:49,999 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:50,000 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:50,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 79 [2021-06-16 20:37:50,003 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:50,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,011 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:50,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,016 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:50,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,022 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:50,022 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:50,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,026 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:50,026 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:50,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 81 [2021-06-16 20:37:50,029 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:50,335 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 141 [2021-06-16 20:37:50,336 INFO L628 ElimStorePlain]: treesize reduction 124, result has 80.3 percent of original size [2021-06-16 20:37:50,341 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:50,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,348 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:50,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,353 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:50,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,355 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:50,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,357 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:50,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,358 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:50,358 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:50,369 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:50,377 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:50,379 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:50,381 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:50,383 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:50,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 71 [2021-06-16 20:37:50,384 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:50,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:50,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,396 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:50,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,401 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:50,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,403 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:50,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,405 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:50,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,406 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:50,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 79 [2021-06-16 20:37:50,408 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:50,516 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-06-16 20:37:50,516 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:37:50,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,525 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:50,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,526 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:50,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,529 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:50,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,532 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:50,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:37:50,533 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:50,534 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:50,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 73 [2021-06-16 20:37:50,542 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:50,637 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:37:50,645 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 5 dim-0 vars, and 5 xjuncts. [2021-06-16 20:37:50,646 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:719, output treesize:351 [2021-06-16 20:37:52,183 INFO L446 ElimStorePlain]: Different costs {0=[array_4, v_prenex_155, v_prenex_157], 21=[array_0, v_prenex_154, v_prenex_156]} [2021-06-16 20:37:52,201 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 65 treesize of output 51 [2021-06-16 20:37:52,203 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:52,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 49 [2021-06-16 20:37:52,212 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:52,372 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 97 [2021-06-16 20:37:52,372 INFO L628 ElimStorePlain]: treesize reduction 76, result has 76.9 percent of original size [2021-06-16 20:37:52,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 56 [2021-06-16 20:37:52,379 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-16 20:37:52,441 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:37:52,455 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 64 treesize of output 50 [2021-06-16 20:37:52,457 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:52,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 48 [2021-06-16 20:37:52,463 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:52,499 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:37:52,502 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:52,503 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:52,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-16 20:37:52,504 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:52,507 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:52,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-06-16 20:37:52,507 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:52,542 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:37:52,545 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:52,546 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:52,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-16 20:37:52,547 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:52,549 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:52,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-16 20:37:52,550 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:52,558 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:37:52,590 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:37:52,592 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:52,593 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:52,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-16 20:37:52,594 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:52,596 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:37:52,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-06-16 20:37:52,597 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-16 20:37:52,627 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:37:52,629 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 6 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-16 20:37:52,629 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 9 variables, input treesize:433, output treesize:31 [2021-06-16 20:37:52,717 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:37:52,718 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111467115] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:37:52,718 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:37:52,718 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24] total 46 [2021-06-16 20:37:52,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386553880] [2021-06-16 20:37:52,718 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-06-16 20:37:52,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:37:52,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-06-16 20:37:52,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=1948, Unknown=0, NotChecked=0, Total=2070 [2021-06-16 20:37:52,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:37:52,719 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:37:52,719 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 1.326086956521739) internal successors, (61), 46 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:37:52,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:37:52,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:37:52,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:52,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:52,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:52,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:37:52,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:52,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:52,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:37:52,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:37:52,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:52,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:37:52,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:52,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:52,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:37:52,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:52,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:37:52,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:37:52,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:52,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:37:52,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:37:52,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:52,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:37:52,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:37:52,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:37:52,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:52,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:37:52,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:37:52,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:37:52,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:37:52,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:37:52,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:37:52,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:37:52,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:52,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:37:52,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:37:52,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:37:52,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:37:52,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:52,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:37:52,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:37:54,328 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 63 [2021-06-16 20:37:54,717 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 129 [2021-06-16 20:37:55,236 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 114 [2021-06-16 20:37:55,903 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 146 [2021-06-16 20:37:56,592 WARN L205 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 122 [2021-06-16 20:37:57,430 WARN L205 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 152 [2021-06-16 20:37:58,450 WARN L205 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 215 [2021-06-16 20:37:58,877 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 156 [2021-06-16 20:37:59,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:37:59,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:37:59,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:59,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:59,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:37:59,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:37:59,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:59,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:59,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:37:59,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:37:59,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:59,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:37:59,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:59,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:59,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:37:59,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:37:59,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:37:59,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:37:59,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:59,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:37:59,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:37:59,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:59,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:37:59,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:37:59,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:37:59,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:59,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:37:59,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:37:59,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:37:59,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:37:59,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:37:59,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:37:59,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:37:59,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:37:59,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:37:59,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:37:59,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:37:59,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:37:59,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:37:59,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:37:59,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:37:59,281 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable623 [2021-06-16 20:37:59,281 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:37:59,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:37:59,282 INFO L82 PathProgramCache]: Analyzing trace with hash 290320444, now seen corresponding path program 36 times [2021-06-16 20:37:59,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:37:59,282 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338285995] [2021-06-16 20:37:59,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:37:59,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:37:59,870 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:37:59,871 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:37:59,871 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338285995] [2021-06-16 20:37:59,871 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338285995] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:37:59,871 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1381762728] [2021-06-16 20:37:59,871 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:37:59,918 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-16 20:37:59,918 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:37:59,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 67 conjunts are in the unsatisfiable core [2021-06-16 20:37:59,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:38:01,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,523 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:01,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,535 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:01,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 46 [2021-06-16 20:38:01,542 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:01,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,559 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:01,573 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:01,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 55 [2021-06-16 20:38:01,575 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:01,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,587 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:01,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,598 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:01,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 46 [2021-06-16 20:38:01,605 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:01,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,621 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:01,634 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:01,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 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 20:38:01,637 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:01,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,648 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:01,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,659 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:01,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 47 [2021-06-16 20:38:01,665 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:01,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,675 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:01,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:01,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 47 [2021-06-16 20:38:01,681 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:01,803 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2021-06-16 20:38:01,803 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.5 percent of original size [2021-06-16 20:38:01,808 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2021-06-16 20:38:01,808 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:523, output treesize:125 [2021-06-16 20:38:02,532 INFO L446 ElimStorePlain]: Different costs {0=[array_4, v_prenex_165], 1=[array_0, v_prenex_164]} [2021-06-16 20:38:02,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-16 20:38:02,536 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:02,539 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:38:02,539 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:02,569 INFO L628 ElimStorePlain]: treesize reduction 38, result has 54.8 percent of original size [2021-06-16 20:38:02,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-16 20:38:02,573 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-16 20:38:02,590 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:38:02,590 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-06-16 20:38:02,592 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:02,592 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:02,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-16 20:38:02,593 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:02,595 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:02,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-16 20:38:02,596 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:02,603 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:38:02,618 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:38:02,619 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-16 20:38:02,619 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:119, output treesize:18 [2021-06-16 20:38:02,676 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:38:02,676 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1381762728] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:38:02,676 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:38:02,676 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 48 [2021-06-16 20:38:02,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64722795] [2021-06-16 20:38:02,676 INFO L462 AbstractCegarLoop]: Interpolant automaton has 48 states [2021-06-16 20:38:02,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:38:02,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-06-16 20:38:02,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=2137, Unknown=0, NotChecked=0, Total=2256 [2021-06-16 20:38:02,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:38:02,677 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:38:02,677 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 48 states, 48 states have (on average 1.3125) internal successors, (63), 48 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:38:02,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:38:02,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:38:02,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:38:02,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:38:02,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:38:02,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:38:02,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:38:02,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:38:02,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:38:02,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:38:02,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:38:02,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:38:02,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:02,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:02,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:38:02,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:38:02,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:38:02,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:38:02,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:02,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:38:02,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:38:02,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:38:02,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:38:02,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:38:02,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:38:02,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:38:02,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:38:02,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:38:02,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:38:02,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:38:02,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:38:02,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:38:02,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:38:02,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:02,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:38:02,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:38:02,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:38:02,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:38:02,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:38:02,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:38:02,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:38:02,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:38:04,621 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-06-16 20:38:04,924 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 116 [2021-06-16 20:38:05,258 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 119 [2021-06-16 20:38:05,868 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 116 [2021-06-16 20:38:06,214 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 119 [2021-06-16 20:38:06,551 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 119 [2021-06-16 20:38:06,886 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 116 [2021-06-16 20:38:07,327 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 99 [2021-06-16 20:38:07,675 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2021-06-16 20:38:08,122 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 87 [2021-06-16 20:38:08,518 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 87 [2021-06-16 20:38:08,915 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 88 [2021-06-16 20:38:09,281 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 87 [2021-06-16 20:38:09,671 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 87 [2021-06-16 20:38:10,060 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 87 [2021-06-16 20:38:10,426 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 93 [2021-06-16 20:38:10,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:38:10,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:38:10,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:38:10,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:38:10,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:38:10,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:38:10,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:38:10,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:38:10,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:38:10,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:38:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:38:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:38:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:38:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:38:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:38:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:38:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:38:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:38:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:38:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:38:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:38:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:38:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:38:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:38:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:38:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:38:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:38:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:38:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:38:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:38:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:38:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:38:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:38:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:38:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:38:10,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:38:10,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:38:10,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:38:10,758 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable685 [2021-06-16 20:38:10,758 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:38:10,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:38:10,759 INFO L82 PathProgramCache]: Analyzing trace with hash 1067550906, now seen corresponding path program 37 times [2021-06-16 20:38:10,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:38:10,759 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962102309] [2021-06-16 20:38:10,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:38:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:38:11,130 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 7 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:38:11,130 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:38:11,130 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962102309] [2021-06-16 20:38:11,130 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962102309] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:38:11,130 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [735440853] [2021-06-16 20:38:11,130 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:38:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:38:11,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-16 20:38:11,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:38:11,440 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:11,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 20:38:11,441 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:11,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-16 20:38:11,445 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:11,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-16 20:38:11,448 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:11,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-16 20:38:11,451 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:11,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-16 20:38:11,454 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:11,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-16 20:38:11,457 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:11,487 INFO L628 ElimStorePlain]: treesize reduction 22, result has 59.3 percent of original size [2021-06-16 20:38:11,488 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-16 20:38:11,488 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-06-16 20:38:11,755 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:11,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-16 20:38:11,756 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:11,758 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:11,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-16 20:38:11,759 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:11,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-16 20:38:11,762 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:11,763 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:38:11,764 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:11,779 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-06-16 20:38:11,779 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-16 20:38:11,779 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 20:38:11,779 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-16 20:38:11,819 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 7 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:38:11,819 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [735440853] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:38:11,819 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:38:11,819 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 40 [2021-06-16 20:38:11,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754615392] [2021-06-16 20:38:11,819 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-06-16 20:38:11,820 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:38:11,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-06-16 20:38:11,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=1456, Unknown=0, NotChecked=0, Total=1560 [2021-06-16 20:38:11,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:38:11,820 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:38:11,820 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.3) internal successors, (52), 40 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:38:11,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:38:11,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:38:11,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:38:11,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:38:11,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:38:11,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:38:11,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:38:11,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:38:11,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:38:11,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:38:11,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:38:11,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:38:11,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:11,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:11,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:38:11,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:38:11,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:38:11,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:38:11,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:11,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:38:11,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:38:11,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:38:11,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:38:11,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:38:11,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:38:11,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:38:11,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:38:11,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:38:11,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:38:11,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:38:11,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:38:11,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:38:11,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:38:11,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:11,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:38:11,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:38:11,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:38:11,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:38:11,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:38:11,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:38:11,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:38:11,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:38:11,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:38:14,915 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 156 [2021-06-16 20:38:15,435 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 155 [2021-06-16 20:38:15,886 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 155 [2021-06-16 20:38:16,311 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 155 [2021-06-16 20:38:16,768 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 155 [2021-06-16 20:38:17,192 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 155 [2021-06-16 20:38:17,597 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 166 [2021-06-16 20:38:17,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:38:17,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:38:17,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:38:17,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:38:17,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:38:17,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:38:17,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:38:17,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:38:17,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:38:17,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:38:17,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:38:17,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:38:17,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:17,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:17,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:38:17,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:38:17,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:38:17,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:38:17,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:17,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:38:17,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:38:17,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:38:17,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:38:17,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:38:17,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:38:17,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:38:17,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:38:17,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:38:17,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:38:17,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:38:17,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:38:17,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:38:17,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:38:17,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:17,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:38:17,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:38:17,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:38:17,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:38:17,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:38:17,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:38:17,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:38:17,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:38:17,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-16 20:38:17,916 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable706,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:38:17,917 INFO L430 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:38:17,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:38:17,917 INFO L82 PathProgramCache]: Analyzing trace with hash -374453650, now seen corresponding path program 38 times [2021-06-16 20:38:17,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:38:17,917 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312007063] [2021-06-16 20:38:17,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:38:17,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:38:18,511 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:38:18,511 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:38:18,511 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312007063] [2021-06-16 20:38:18,511 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312007063] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:38:18,511 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [374309841] [2021-06-16 20:38:18,511 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:38:18,556 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 20:38:18,556 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:38:18,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 67 conjunts are in the unsatisfiable core [2021-06-16 20:38:18,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:38:19,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 48 [2021-06-16 20:38:19,032 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:19,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 56 [2021-06-16 20:38:19,056 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-16 20:38:19,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 46 [2021-06-16 20:38:19,079 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:19,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:19,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 54 [2021-06-16 20:38:19,092 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:19,124 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:38:19,125 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-16 20:38:19,125 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:339, output treesize:107 [2021-06-16 20:38:19,688 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:19,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-16 20:38:19,690 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:19,693 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:19,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-16 20:38:19,694 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:19,698 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:19,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-16 20:38:19,699 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:19,702 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:19,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-16 20:38:19,703 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:19,707 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:19,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-16 20:38:19,708 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:19,711 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:19,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-16 20:38:19,712 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:19,714 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:38:19,715 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:19,718 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:38:19,718 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:19,721 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:38:19,722 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:19,724 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:38:19,725 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:19,728 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:19,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:38:19,729 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:19,731 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:38:19,732 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:19,734 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:38:19,734 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:19,737 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:38:19,737 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:19,785 INFO L628 ElimStorePlain]: treesize reduction 65, result has 48.8 percent of original size [2021-06-16 20:38:19,787 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:19,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-16 20:38:19,788 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:19,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-16 20:38:19,791 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:19,808 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:38:19,809 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-06-16 20:38:19,809 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 2 variables, input treesize:377, output treesize:46 [2021-06-16 20:38:19,911 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:38:19,911 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [374309841] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:38:19,911 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:38:19,911 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 41 [2021-06-16 20:38:19,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226016001] [2021-06-16 20:38:19,911 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-06-16 20:38:19,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:38:19,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-06-16 20:38:19,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1522, Unknown=0, NotChecked=0, Total=1640 [2021-06-16 20:38:19,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:38:19,912 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:38:19,912 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 41 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 20:38:19,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:38:19,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:38:19,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:38:19,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:38:19,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:38:19,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:38:19,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:38:19,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:38:19,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:38:19,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:38:19,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:38:19,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:38:19,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:19,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:19,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:38:19,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:38:19,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:38:19,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:38:19,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:19,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:38:19,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:38:19,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:38:19,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:38:19,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:38:19,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:38:19,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:38:19,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:38:19,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:38:19,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:38:19,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:38:19,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:38:19,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:38:19,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:38:19,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:19,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:38:19,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:38:19,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:38:19,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:38:19,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:38:19,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:38:19,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:38:19,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:38:19,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-16 20:38:19,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:38:21,028 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2021-06-16 20:38:22,150 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2021-06-16 20:38:23,287 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2021-06-16 20:38:25,953 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2021-06-16 20:38:26,208 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2021-06-16 20:38:26,429 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2021-06-16 20:38:26,632 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2021-06-16 20:38:26,838 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2021-06-16 20:38:27,038 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2021-06-16 20:38:27,240 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2021-06-16 20:38:27,491 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2021-06-16 20:38:27,860 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 132 [2021-06-16 20:38:28,179 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 71 [2021-06-16 20:38:28,637 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 119 [2021-06-16 20:38:29,016 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 83 [2021-06-16 20:38:29,496 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 118 [2021-06-16 20:38:29,784 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 89 [2021-06-16 20:38:30,203 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 123 [2021-06-16 20:38:30,515 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 94 [2021-06-16 20:38:30,952 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 128 [2021-06-16 20:38:31,285 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 98 [2021-06-16 20:38:31,770 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 133 [2021-06-16 20:38:31,954 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 67 [2021-06-16 20:38:32,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:38:32,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:38:32,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:38:32,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:38:32,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:38:32,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:38:32,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:38:32,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:38:32,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:38:32,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:38:32,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:38:32,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:38:32,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:32,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:32,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:38:32,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:38:32,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:38:32,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:38:32,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:32,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:38:32,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:38:32,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:38:32,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:38:32,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:38:32,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:38:32,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:38:32,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:38:32,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:38:32,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:38:32,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:38:32,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:38:32,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:38:32,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:38:32,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:32,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:38:32,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:38:32,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:38:32,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:38:32,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:38:32,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:38:32,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:38:32,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:38:32,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-16 20:38:32,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-06-16 20:38:32,312 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable714 [2021-06-16 20:38:32,312 INFO L430 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:38:32,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:38:32,313 INFO L82 PathProgramCache]: Analyzing trace with hash 1350682300, now seen corresponding path program 39 times [2021-06-16 20:38:32,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:38:32,313 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702940101] [2021-06-16 20:38:32,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:38:32,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:38:32,599 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:38:32,599 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:38:32,599 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702940101] [2021-06-16 20:38:32,599 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702940101] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:38:32,599 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1369935819] [2021-06-16 20:38:32,599 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:38:32,650 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-16 20:38:32,651 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:38:32,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 44 conjunts are in the unsatisfiable core [2021-06-16 20:38:32,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:38:32,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-16 20:38:32,768 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:32,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-16 20:38:32,771 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:32,785 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:38:32,785 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 20:38:32,785 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:51, output treesize:37 [2021-06-16 20:38:32,949 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:32,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-16 20:38:32,951 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:32,953 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:32,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:38:32,953 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:32,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-16 20:38:32,956 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:32,957 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:38:32,958 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:32,973 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-06-16 20:38:32,973 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-16 20:38:32,973 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 20:38:32,973 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-16 20:38:33,004 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:38:33,005 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1369935819] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:38:33,005 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:38:33,005 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 30 [2021-06-16 20:38:33,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550140111] [2021-06-16 20:38:33,005 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-16 20:38:33,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:38:33,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-16 20:38:33,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=795, Unknown=0, NotChecked=0, Total=870 [2021-06-16 20:38:33,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:38:33,006 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:38:33,006 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 1.4) internal successors, (42), 30 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:38:33,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:38:33,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:38:33,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:38:33,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:38:33,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:38:33,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:38:33,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:38:33,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:38:33,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:38:33,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:38:33,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:38:33,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:38:33,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:33,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:33,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:38:33,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:38:33,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:38:33,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:38:33,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:33,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:38:33,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:38:33,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:38:33,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:38:33,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:38:33,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:38:33,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:38:33,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:38:33,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:38:33,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:38:33,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:38:33,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:38:33,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:38:33,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:38:33,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:33,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:38:33,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:38:33,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:38:33,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:38:33,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:38:33,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:38:33,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:38:33,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:38:33,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-16 20:38:33,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-06-16 20:38:33,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:38:37,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:38:37,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:38:37,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:38:37,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:38:37,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:38:37,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:38:37,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:38:37,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:38:37,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:38:37,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:38:37,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:38:37,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:38:37,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:37,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:37,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:38:37,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:38:37,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:38:37,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:38:37,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:37,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:38:37,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:38:37,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:38:37,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:38:37,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:38:37,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:38:37,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:38:37,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:38:37,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:38:37,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:38:37,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:38:37,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:38:37,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:38:37,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:38:37,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:37,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:38:37,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:38:37,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:38:37,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:38:37,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:38:37,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:38:37,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:38:37,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:38:37,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-16 20:38:37,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-06-16 20:38:37,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-16 20:38:37,475 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable734 [2021-06-16 20:38:37,475 INFO L430 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:38:37,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:38:37,476 INFO L82 PathProgramCache]: Analyzing trace with hash -693779886, now seen corresponding path program 40 times [2021-06-16 20:38:37,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:38:37,476 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793463070] [2021-06-16 20:38:37,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:38:37,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:38:38,076 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:38:38,076 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:38:38,076 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793463070] [2021-06-16 20:38:38,076 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793463070] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:38:38,076 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [245851434] [2021-06-16 20:38:38,076 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:38:38,133 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-16 20:38:38,134 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:38:38,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 68 conjunts are in the unsatisfiable core [2021-06-16 20:38:38,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:38:38,266 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:38,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-16 20:38:38,267 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:38,270 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:38,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2021-06-16 20:38:38,271 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:38,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-16 20:38:38,274 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:38,309 INFO L628 ElimStorePlain]: treesize reduction 22, result has 68.6 percent of original size [2021-06-16 20:38:38,310 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 20:38:38,310 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:97, output treesize:48 [2021-06-16 20:38:38,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 46 [2021-06-16 20:38:38,911 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-16 20:38:38,921 INFO L628 ElimStorePlain]: treesize reduction 7, result has 61.1 percent of original size [2021-06-16 20:38:38,921 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-16 20:38:38,921 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 20:38:38,921 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:66, output treesize:11 [2021-06-16 20:38:38,965 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:38:38,965 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [245851434] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:38:38,965 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:38:38,965 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 36 [2021-06-16 20:38:38,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416621634] [2021-06-16 20:38:38,965 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-16 20:38:38,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:38:38,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-16 20:38:38,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=1181, Unknown=0, NotChecked=0, Total=1260 [2021-06-16 20:38:38,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:38:38,966 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:38:38,966 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 36 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:38:38,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:38:38,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:38:38,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:38:38,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:38:38,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:38:38,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:38:38,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:38:38,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:38:38,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:38:38,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:38:38,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:38:38,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:38:38,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:38,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:38,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:38:38,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:38:38,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:38:38,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:38:38,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:38,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:38:38,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:38:38,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:38:38,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:38:38,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:38:38,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:38:38,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:38:38,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:38:38,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:38:38,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:38:38,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:38:38,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:38:38,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:38:38,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:38:38,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:38,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:38:38,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:38:38,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:38:38,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:38:38,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:38:38,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:38:38,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:38:38,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:38:38,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-16 20:38:38,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-06-16 20:38:38,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-16 20:38:38,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:38:40,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:38:40,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:38:40,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:38:40,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:38:40,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:38:40,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:38:40,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:38:40,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:38:40,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:38:40,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:38:40,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:38:40,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:38:40,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:40,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:40,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:38:40,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:38:40,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:38:40,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:38:40,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:40,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:38:40,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:38:40,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:38:40,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:38:40,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:38:40,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:38:40,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:38:40,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:38:40,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:38:40,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:38:40,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:38:40,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:38:40,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:38:40,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:38:40,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:40,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:38:40,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:38:40,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:38:40,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:38:40,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:38:40,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:38:40,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:38:40,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:38:40,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-16 20:38:40,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-06-16 20:38:40,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-16 20:38:40,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:38:40,829 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable740 [2021-06-16 20:38:40,829 INFO L430 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:38:40,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:38:40,829 INFO L82 PathProgramCache]: Analyzing trace with hash 1289985842, now seen corresponding path program 41 times [2021-06-16 20:38:40,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:38:40,829 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760507578] [2021-06-16 20:38:40,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:38:40,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:38:41,205 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:38:41,205 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:38:41,205 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760507578] [2021-06-16 20:38:41,205 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760507578] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:38:41,205 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [950588817] [2021-06-16 20:38:41,206 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:38:41,264 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-16 20:38:41,264 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:38:41,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-16 20:38:41,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:38:41,380 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:41,380 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 16 treesize of output 12 [2021-06-16 20:38:41,381 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:41,383 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 15 treesize of output 11 [2021-06-16 20:38:41,384 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:41,396 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:38:41,397 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 20:38:41,397 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-16 20:38:41,613 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:41,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-16 20:38:41,614 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:41,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:38:41,617 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:41,631 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-16 20:38:41,632 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-16 20:38:41,632 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 20:38:41,632 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-16 20:38:41,666 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:38:41,666 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [950588817] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:38:41,666 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:38:41,666 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 34 [2021-06-16 20:38:41,666 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144972304] [2021-06-16 20:38:41,666 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-06-16 20:38:41,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:38:41,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-06-16 20:38:41,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1036, Unknown=0, NotChecked=0, Total=1122 [2021-06-16 20:38:41,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:38:41,667 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:38:41,667 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 34 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:38:41,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:38:41,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:38:41,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:38:41,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:38:41,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:38:41,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:38:41,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:38:41,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:38:41,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:38:41,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:38:41,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:38:41,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:38:41,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:41,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:41,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:38:41,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:38:41,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:38:41,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:38:41,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:41,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:38:41,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:38:41,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:38:41,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:38:41,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:38:41,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:38:41,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:38:41,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:38:41,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:38:41,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:38:41,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:38:41,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:38:41,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:38:41,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:38:41,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:41,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:38:41,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:38:41,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:38:41,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:38:41,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:38:41,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:38:41,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:38:41,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:38:41,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-16 20:38:41,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-06-16 20:38:41,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-16 20:38:41,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:38:41,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:38:43,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:38:43,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:38:43,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:38:43,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:38:43,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:38:43,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:38:43,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:38:43,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:38:43,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:38:43,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:38:43,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:38:43,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:38:43,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:43,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:43,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:38:43,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:38:43,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:38:43,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:38:43,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:43,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:38:43,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:38:43,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:38:43,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:38:43,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:38:43,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:38:43,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:38:43,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:38:43,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:38:43,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:38:43,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:38:43,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:38:43,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:38:43,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:38:43,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:43,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:38:43,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:38:43,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:38:43,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:38:43,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:38:43,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:38:43,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:38:43,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:38:43,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-16 20:38:43,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-06-16 20:38:43,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-16 20:38:43,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:38:43,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:38:43,360 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable757,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:38:43,360 INFO L430 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:38:43,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:38:43,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1992407172, now seen corresponding path program 42 times [2021-06-16 20:38:43,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:38:43,360 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946714898] [2021-06-16 20:38:43,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:38:43,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:38:44,197 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:38:44,197 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:38:44,197 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946714898] [2021-06-16 20:38:44,197 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946714898] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:38:44,197 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1132120649] [2021-06-16 20:38:44,197 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:38:44,251 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-16 20:38:44,252 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:38:44,253 WARN L261 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 116 conjunts are in the unsatisfiable core [2021-06-16 20:38:44,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:38:45,093 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2021-06-16 20:38:45,897 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2021-06-16 20:38:46,381 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-06-16 20:38:46,874 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-06-16 20:38:47,515 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 251 [2021-06-16 20:38:48,182 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2021-06-16 20:38:48,934 WARN L205 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2021-06-16 20:38:49,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,342 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:49,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,358 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:49,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,359 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:49,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,363 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:49,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,366 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:49,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,370 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:49,370 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:49,381 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:49,393 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:49,397 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:49,401 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:49,407 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:49,410 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:49,411 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:49,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 91 [2021-06-16 20:38:49,415 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:49,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,424 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:49,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,432 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:49,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,434 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:49,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,439 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:49,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,442 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:49,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:49,446 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:49,447 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:49,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 83 [2021-06-16 20:38:49,449 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:50,006 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 163 [2021-06-16 20:38:50,006 INFO L628 ElimStorePlain]: treesize reduction 6, result has 99.2 percent of original size [2021-06-16 20:38:50,013 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:50,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,020 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:50,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,026 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:50,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,031 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:50,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,034 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:50,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,038 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:50,039 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:50,041 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:50,052 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:50,059 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:50,064 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:50,068 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:50,072 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:50,073 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:50,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 91 [2021-06-16 20:38:50,076 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:50,083 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:50,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,091 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:50,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,097 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:50,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,102 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:50,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,106 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:50,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,110 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:50,111 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:50,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 83 [2021-06-16 20:38:50,113 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:50,334 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2021-06-16 20:38:50,334 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:38:50,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,341 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:50,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,351 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:50,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,358 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:50,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,359 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:50,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,364 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:50,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,365 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:50,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,367 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:50,368 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:50,378 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:50,390 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:50,391 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:50,399 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:50,400 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:50,401 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:50,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 93 [2021-06-16 20:38:50,404 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:50,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,410 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:50,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,420 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:50,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,426 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:50,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,428 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:50,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,433 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:50,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,434 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:50,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:38:50,435 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:50,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 91 [2021-06-16 20:38:50,438 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:50,619 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-06-16 20:38:50,619 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:38:50,630 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 6 dim-0 vars, and 6 xjuncts. [2021-06-16 20:38:50,630 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:878, output treesize:522 [2021-06-16 20:38:50,958 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 149 [2021-06-16 20:38:52,189 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 178 [2021-06-16 20:38:52,729 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 178 [2021-06-16 20:38:53,249 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 178 [2021-06-16 20:38:53,788 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 178 [2021-06-16 20:38:54,347 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 178 [2021-06-16 20:38:54,921 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 178 [2021-06-16 20:38:55,199 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_209, array_4, v_prenex_211, v_prenex_213, v_prenex_215], 28=[v_prenex_208, array_0, v_prenex_210, v_prenex_212, v_prenex_214]} [2021-06-16 20:38:55,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 61 [2021-06-16 20:38:55,226 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:55,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 63 [2021-06-16 20:38:55,236 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-16 20:38:55,616 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 192 [2021-06-16 20:38:55,617 INFO L628 ElimStorePlain]: treesize reduction 206, result has 73.1 percent of original size [2021-06-16 20:38:55,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 63 [2021-06-16 20:38:55,643 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:55,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 65 [2021-06-16 20:38:55,652 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:55,779 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2021-06-16 20:38:55,780 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:38:55,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 63 [2021-06-16 20:38:55,788 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2021-06-16 20:38:55,909 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2021-06-16 20:38:55,909 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:38:55,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 56 [2021-06-16 20:38:55,934 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:55,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 58 [2021-06-16 20:38:55,942 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:56,023 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:38:56,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 48 [2021-06-16 20:38:56,031 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:56,098 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:38:56,103 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:56,104 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:56,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-16 20:38:56,105 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:56,109 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:56,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-16 20:38:56,110 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:56,118 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:38:56,182 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:38:56,187 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:56,187 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:56,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-16 20:38:56,188 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:56,192 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:56,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-06-16 20:38:56,193 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:56,255 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:38:56,259 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:56,260 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:56,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-16 20:38:56,260 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:56,264 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:56,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-16 20:38:56,265 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:56,273 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:38:56,333 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:38:56,337 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:56,337 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:56,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-06-16 20:38:56,338 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:56,342 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:38:56,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-16 20:38:56,342 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-16 20:38:56,401 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:38:56,401 INFO L518 ElimStorePlain]: Eliminatee v_prenex_214 vanished before elimination [2021-06-16 20:38:56,404 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 10 dim-1 vars, End of recursive call: and 9 xjuncts. [2021-06-16 20:38:56,404 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 15 variables, input treesize:870, output treesize:81 [2021-06-16 20:38:56,574 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:38:56,574 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1132120649] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:38:56,574 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:38:56,574 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 27] total 52 [2021-06-16 20:38:56,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88329920] [2021-06-16 20:38:56,574 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-06-16 20:38:56,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:38:56,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-06-16 20:38:56,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=2506, Unknown=0, NotChecked=0, Total=2652 [2021-06-16 20:38:56,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:38:56,575 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:38:56,575 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 1.2884615384615385) internal successors, (67), 52 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:38:56,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:38:56,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:38:56,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:38:56,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:38:56,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:38:56,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:38:56,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:38:56,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:38:56,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:38:56,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:38:56,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:38:56,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:38:56,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:56,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:56,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:38:56,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:38:56,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:38:56,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:38:56,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:56,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:38:56,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:38:56,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:38:56,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:38:56,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:38:56,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:38:56,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:38:56,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:38:56,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:38:56,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:38:56,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:38:56,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:38:56,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:38:56,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:38:56,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:38:56,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:38:56,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:38:56,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:38:56,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:38:56,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:38:56,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:38:56,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:38:56,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:38:56,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-16 20:38:56,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-06-16 20:38:56,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-16 20:38:56,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:38:56,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:38:56,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:38:59,226 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2021-06-16 20:38:59,613 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 140 [2021-06-16 20:39:00,344 WARN L205 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 253 [2021-06-16 20:39:01,231 WARN L205 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 257 [2021-06-16 20:39:02,220 WARN L205 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 164 [2021-06-16 20:39:03,435 WARN L205 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 269 [2021-06-16 20:39:04,637 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 202 DAG size of output: 172 [2021-06-16 20:39:06,036 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 307 DAG size of output: 277 [2021-06-16 20:39:06,751 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 211 [2021-06-16 20:39:07,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:39:07,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:39:07,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:39:07,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:39:07,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:39:07,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:39:07,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:39:07,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:39:07,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:39:07,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:39:07,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:39:07,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:39:07,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:39:07,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:39:07,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:39:07,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:39:07,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:39:07,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:39:07,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:39:07,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:39:07,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:39:07,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:39:07,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:39:07,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:39:07,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:39:07,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:39:07,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:39:07,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:39:07,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:39:07,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:39:07,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:39:07,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:39:07,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:39:07,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:39:07,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:39:07,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:39:07,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:39:07,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:39:07,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:39:07,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:39:07,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:39:07,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:39:07,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-16 20:39:07,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-06-16 20:39:07,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-16 20:39:07,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:39:07,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:39:07,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:39:07,218 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable760 [2021-06-16 20:39:07,218 INFO L430 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:39:07,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:39:07,218 INFO L82 PathProgramCache]: Analyzing trace with hash 1425792356, now seen corresponding path program 43 times [2021-06-16 20:39:07,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:39:07,219 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886431184] [2021-06-16 20:39:07,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:39:07,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:39:08,005 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:39:08,005 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:39:08,006 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886431184] [2021-06-16 20:39:08,006 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886431184] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:39:08,006 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [544760640] [2021-06-16 20:39:08,006 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:39:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:39:08,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 76 conjunts are in the unsatisfiable core [2021-06-16 20:39:08,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:39:10,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,290 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:39:10,330 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:39:10,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 53 [2021-06-16 20:39:10,334 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:39:10,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,350 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:39:10,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,366 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:39:10,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 54 [2021-06-16 20:39:10,374 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:39:10,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,395 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:39:10,413 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:39:10,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 54 [2021-06-16 20:39:10,416 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:39:10,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,433 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:39:10,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,450 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:39:10,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 62 [2021-06-16 20:39:10,455 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:39:10,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,472 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:39:10,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,489 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:39:10,491 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 20:39:10,494 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:39:10,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,511 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:39:10,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:10,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 53 [2021-06-16 20:39:10,518 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 20:39:10,623 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2021-06-16 20:39:10,624 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.5 percent of original size [2021-06-16 20:39:10,628 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2021-06-16 20:39:10,628 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:589, output treesize:125 [2021-06-16 20:39:11,500 INFO L446 ElimStorePlain]: Different costs {0=[array_4], 1=[array_0]} [2021-06-16 20:39:11,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-16 20:39:11,503 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:39:11,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-16 20:39:11,506 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-16 20:39:11,532 INFO L628 ElimStorePlain]: treesize reduction 41, result has 43.1 percent of original size [2021-06-16 20:39:11,533 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:39:11,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-16 20:39:11,534 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:39:11,541 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:39:11,542 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 20:39:11,542 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:68, output treesize:11 [2021-06-16 20:39:11,608 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:39:11,609 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [544760640] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:39:11,609 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:39:11,609 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 53 [2021-06-16 20:39:11,609 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101067062] [2021-06-16 20:39:11,609 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-06-16 20:39:11,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:39:11,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-06-16 20:39:11,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=2601, Unknown=0, NotChecked=0, Total=2756 [2021-06-16 20:39:11,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:39:11,610 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:39:11,610 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 1.3018867924528301) internal successors, (69), 53 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:39:11,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:39:11,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:39:11,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:39:11,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:39:11,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:39:11,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:39:11,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:39:11,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:39:11,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:39:11,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:39:11,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:39:11,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:39:11,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:39:11,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:39:11,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:39:11,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:39:11,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:39:11,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:39:11,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:39:11,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:39:11,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:39:11,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:39:11,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:39:11,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:39:11,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:39:11,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:39:11,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:39:11,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:39:11,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:39:11,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:39:11,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:39:11,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:39:11,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:39:11,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:39:11,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:39:11,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:39:11,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:39:11,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:39:11,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:39:11,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:39:11,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:39:11,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:39:11,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-16 20:39:11,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-06-16 20:39:11,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-16 20:39:11,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:39:11,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:39:11,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:39:11,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:39:16,679 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 65 [2021-06-16 20:39:17,020 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 103 [2021-06-16 20:39:17,358 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 103 [2021-06-16 20:39:17,712 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 103 [2021-06-16 20:39:18,097 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 103 [2021-06-16 20:39:18,445 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 135 [2021-06-16 20:39:18,800 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 103 [2021-06-16 20:39:19,125 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 135 [2021-06-16 20:39:19,542 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 103 [2021-06-16 20:39:19,888 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2021-06-16 20:39:20,308 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 94 [2021-06-16 20:39:20,682 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2021-06-16 20:39:21,051 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2021-06-16 20:39:21,430 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2021-06-16 20:39:21,816 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2021-06-16 20:39:22,189 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2021-06-16 20:39:22,582 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2021-06-16 20:39:22,960 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 96 [2021-06-16 20:39:23,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:39:23,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:39:23,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:39:23,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:39:23,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:39:23,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:39:23,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:39:23,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:39:23,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:39:23,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:39:23,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:39:23,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:39:23,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:39:23,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:39:23,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:39:23,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:39:23,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:39:23,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:39:23,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:39:23,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:39:23,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:39:23,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:39:23,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:39:23,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:39:23,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:39:23,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:39:23,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:39:23,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:39:23,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:39:23,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:39:23,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:39:23,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:39:23,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:39:23,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:39:23,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:39:23,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:39:23,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:39:23,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:39:23,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:39:23,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:39:23,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:39:23,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:39:23,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-16 20:39:23,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-06-16 20:39:23,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-16 20:39:23,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:39:23,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:39:23,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:39:23,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-16 20:39:23,284 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable895 [2021-06-16 20:39:23,284 INFO L430 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:39:23,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:39:23,285 INFO L82 PathProgramCache]: Analyzing trace with hash 1907441810, now seen corresponding path program 44 times [2021-06-16 20:39:23,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:39:23,285 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658450948] [2021-06-16 20:39:23,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:39:23,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:39:23,782 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 8 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:39:23,783 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:39:23,783 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658450948] [2021-06-16 20:39:23,783 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658450948] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:39:23,783 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1907569048] [2021-06-16 20:39:23,783 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:39:23,832 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 20:39:23,832 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:39:23,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 56 conjunts are in the unsatisfiable core [2021-06-16 20:39:23,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:39:24,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-16 20:39:24,149 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:39:24,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-16 20:39:24,152 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:39:24,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-16 20:39:24,155 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:39:24,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-16 20:39:24,158 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:39:24,160 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:39:24,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-16 20:39:24,161 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:39:24,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-16 20:39:24,163 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 20:39:24,193 INFO L628 ElimStorePlain]: treesize reduction 22, result has 59.3 percent of original size [2021-06-16 20:39:24,194 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-16 20:39:24,194 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-06-16 20:39:24,512 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:39:24,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-16 20:39:24,513 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:39:24,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-16 20:39:24,516 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:39:24,518 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:39:24,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-16 20:39:24,519 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:39:24,520 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:39:24,521 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:39:24,536 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-06-16 20:39:24,536 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-16 20:39:24,536 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 20:39:24,536 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-16 20:39:24,580 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 8 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:39:24,580 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1907569048] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:39:24,580 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:39:24,580 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 45 [2021-06-16 20:39:24,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218500275] [2021-06-16 20:39:24,580 INFO L462 AbstractCegarLoop]: Interpolant automaton has 45 states [2021-06-16 20:39:24,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:39:24,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-06-16 20:39:24,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1862, Unknown=0, NotChecked=0, Total=1980 [2021-06-16 20:39:24,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:39:24,581 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:39:24,581 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 45 states, 45 states have (on average 1.2666666666666666) internal successors, (57), 45 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:39:24,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:39:24,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:39:24,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:39:24,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:39:24,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:39:24,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:39:24,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:39:24,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:39:24,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:39:24,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:39:24,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:39:24,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:39:24,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:39:24,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:39:24,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:39:24,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:39:24,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:39:24,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:39:24,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:39:24,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:39:24,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:39:24,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:39:24,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:39:24,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:39:24,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:39:24,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:39:24,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:39:24,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:39:24,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:39:24,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:39:24,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:39:24,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:39:24,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:39:24,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:39:24,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:39:24,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:39:24,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:39:24,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:39:24,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:39:24,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:39:24,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:39:24,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:39:24,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-16 20:39:24,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-06-16 20:39:24,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-16 20:39:24,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:39:24,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:39:24,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:39:24,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-16 20:39:24,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:39:29,156 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 243 DAG size of output: 229 [2021-06-16 20:39:30,605 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2021-06-16 20:39:32,158 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2021-06-16 20:39:33,742 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2021-06-16 20:39:35,938 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2021-06-16 20:39:37,444 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2021-06-16 20:39:38,999 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2021-06-16 20:39:39,826 WARN L205 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2021-06-16 20:39:39,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:39:39,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:39:39,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:39:39,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:39:39,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:39:39,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:39:39,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:39:39,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:39:39,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:39:39,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:39:39,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:39:39,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:39:39,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:39:39,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:39:39,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:39:39,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:39:39,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:39:39,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:39:39,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:39:39,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:39:39,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:39:39,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:39:39,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:39:39,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:39:39,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:39:39,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:39:39,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:39:39,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:39:39,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:39:39,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:39:39,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:39:39,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:39:39,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:39:39,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:39:39,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:39:39,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:39:39,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:39:39,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:39:39,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:39:39,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:39:39,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:39:39,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:39:39,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-16 20:39:39,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-06-16 20:39:39,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-16 20:39:39,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:39:39,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:39:39,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:39:39,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-16 20:39:39,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-16 20:39:40,183 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable921 [2021-06-16 20:39:40,183 INFO L430 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:39:40,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:39:40,183 INFO L82 PathProgramCache]: Analyzing trace with hash -2002335374, now seen corresponding path program 45 times [2021-06-16 20:39:40,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:39:40,183 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620326984] [2021-06-16 20:39:40,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:39:40,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:39:40,841 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:39:40,841 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:39:40,842 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620326984] [2021-06-16 20:39:40,842 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620326984] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:39:40,842 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873242748] [2021-06-16 20:39:40,842 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:39:40,896 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-16 20:39:40,897 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:39:40,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 76 conjunts are in the unsatisfiable core [2021-06-16 20:39:40,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:39:41,979 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-06-16 20:39:42,213 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-06-16 20:39:42,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,274 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:39:42,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,290 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:39:42,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 55 [2021-06-16 20:39:42,295 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:39:42,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,310 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:39:42,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,326 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:39:42,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 53 [2021-06-16 20:39:42,332 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:39:42,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,345 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:39:42,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,360 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:39:42,365 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 20:39:42,368 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-16 20:39:42,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,381 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:39:42,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:39:42,386 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 20:39:42,389 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:39:42,433 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:39:42,437 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-06-16 20:39:42,438 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:401, output treesize:125 [2021-06-16 20:39:43,969 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 21=[array_0]} [2021-06-16 20:39:43,974 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:39:43,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-16 20:39:43,975 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:39:43,980 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:39:43,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-16 20:39:43,981 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:39:43,986 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:39:43,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-16 20:39:43,987 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:39:43,991 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:39:43,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-16 20:39:43,992 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:39:43,997 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:39:43,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-06-16 20:39:43,998 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:39:44,002 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:39:44,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-06-16 20:39:44,003 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 20:39:44,008 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:39:44,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:39:44,009 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-16 20:39:44,013 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:39:44,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-16 20:39:44,018 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-16 20:39:44,023 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:39:44,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-06-16 20:39:44,024 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-16 20:39:44,028 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:39:44,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-06-16 20:39:44,029 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-16 20:39:44,034 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:39:44,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:39:44,035 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-16 20:39:44,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-16 20:39:44,039 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-16 20:39:44,206 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 52 [2021-06-16 20:39:44,206 INFO L628 ElimStorePlain]: treesize reduction 95, result has 62.3 percent of original size [2021-06-16 20:39:44,210 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:39:44,211 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:39:44,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-16 20:39:44,212 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-16 20:39:44,215 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:39:44,216 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:39:44,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-16 20:39:44,217 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-16 20:39:44,220 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:39:44,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-06-16 20:39:44,221 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-16 20:39:44,288 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:39:44,292 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-06-16 20:39:44,292 INFO L247 ElimStorePlain]: Needed 16 recursive calls to eliminate 8 variables, input treesize:395, output treesize:76 [2021-06-16 20:39:44,460 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:39:44,460 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1873242748] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:39:44,460 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:39:44,460 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 48 [2021-06-16 20:39:44,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558550349] [2021-06-16 20:39:44,461 INFO L462 AbstractCegarLoop]: Interpolant automaton has 48 states [2021-06-16 20:39:44,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:39:44,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-06-16 20:39:44,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=2146, Unknown=0, NotChecked=0, Total=2256 [2021-06-16 20:39:44,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:39:44,461 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:39:44,461 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 48 states, 48 states have (on average 1.3125) internal successors, (63), 48 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:39:44,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:39:44,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:39:44,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:39:44,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:39:44,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:39:44,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:39:44,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:39:44,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:39:44,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:39:44,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:39:44,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:39:44,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:39:44,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:39:44,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:39:44,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:39:44,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:39:44,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:39:44,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:39:44,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:39:44,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:39:44,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:39:44,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:39:44,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:39:44,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:39:44,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:39:44,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:39:44,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:39:44,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:39:44,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:39:44,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:39:44,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:39:44,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:39:44,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:39:44,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:39:44,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:39:44,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:39:44,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:39:44,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:39:44,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:39:44,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:39:44,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:39:44,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:39:44,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-16 20:39:44,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-06-16 20:39:44,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-16 20:39:44,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:39:44,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:39:44,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:39:44,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-16 20:39:44,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-16 20:39:44,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:39:46,467 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 46 [2021-06-16 20:39:46,860 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 56 [2021-06-16 20:39:47,078 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 61 [2021-06-16 20:39:47,311 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 66 [2021-06-16 20:39:47,560 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 71 [2021-06-16 20:39:47,785 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2021-06-16 20:39:48,189 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 104 [2021-06-16 20:39:48,666 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 115 [2021-06-16 20:39:49,096 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 123 [2021-06-16 20:39:49,507 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 116 [2021-06-16 20:39:49,946 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 116 [2021-06-16 20:39:50,358 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 116 [2021-06-16 20:39:50,779 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 123 [2021-06-16 20:39:51,204 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 123 [2021-06-16 20:39:51,670 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 119 [2021-06-16 20:39:52,349 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 186 [2021-06-16 20:39:52,714 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 97 [2021-06-16 20:39:52,949 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2021-06-16 20:39:53,181 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2021-06-16 20:39:53,436 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2021-06-16 20:39:53,666 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2021-06-16 20:39:53,901 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2021-06-16 20:39:54,137 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2021-06-16 20:39:54,354 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2021-06-16 20:39:54,829 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 172 [2021-06-16 20:39:55,516 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 60 [2021-06-16 20:39:55,827 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 60 [2021-06-16 20:39:56,017 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 65 [2021-06-16 20:39:56,219 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 70 [2021-06-16 20:39:56,442 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 75 [2021-06-16 20:39:56,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:39:56,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:39:56,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:39:56,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:39:56,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:39:56,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:39:56,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:39:56,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:39:56,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:39:56,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:39:56,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:39:56,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:39:56,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:39:56,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:39:56,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:39:56,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:39:56,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:39:56,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:39:56,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:39:56,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:39:56,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:39:56,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:39:56,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:39:56,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:39:56,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:39:56,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:39:56,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:39:56,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:39:56,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:39:56,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:39:56,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:39:56,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:39:56,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:39:56,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:39:56,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:39:56,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:39:56,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:39:56,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:39:56,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:39:56,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:39:56,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:39:56,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:39:56,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-16 20:39:56,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-06-16 20:39:56,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-16 20:39:56,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:39:56,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:39:56,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:39:56,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-16 20:39:56,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-16 20:39:56,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-16 20:39:56,943 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable930 [2021-06-16 20:39:56,943 INFO L430 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:39:56,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:39:56,943 INFO L82 PathProgramCache]: Analyzing trace with hash 625211748, now seen corresponding path program 46 times [2021-06-16 20:39:56,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:39:56,943 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971013150] [2021-06-16 20:39:56,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:39:56,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:39:57,271 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 7 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:39:57,271 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:39:57,271 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971013150] [2021-06-16 20:39:57,271 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971013150] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:39:57,271 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [518797405] [2021-06-16 20:39:57,271 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:39:57,319 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-16 20:39:57,319 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:39:57,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-16 20:39:57,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:39:57,437 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:39:57,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:39:57,438 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:39:57,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:39:57,441 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:39:57,453 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:39:57,454 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 20:39:57,454 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-16 20:39:57,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-16 20:39:57,662 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:39:57,664 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:39:57,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:39:57,665 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:39:57,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:39:57,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-16 20:39:57,668 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:39:57,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-16 20:39:57,671 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:39:57,687 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-06-16 20:39:57,687 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-16 20:39:57,688 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 20:39:57,688 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-16 20:39:57,722 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 7 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:39:57,723 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [518797405] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:39:57,723 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:39:57,723 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 34 [2021-06-16 20:39:57,723 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570573772] [2021-06-16 20:39:57,723 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-06-16 20:39:57,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:39:57,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-06-16 20:39:57,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1036, Unknown=0, NotChecked=0, Total=1122 [2021-06-16 20:39:57,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:39:57,724 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:39:57,724 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 34 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:39:57,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:39:57,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:39:57,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:39:57,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:39:57,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:39:57,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:39:57,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:39:57,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:39:57,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:39:57,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:39:57,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:39:57,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:39:57,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:39:57,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:39:57,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:39:57,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:39:57,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:39:57,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:39:57,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:39:57,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:39:57,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:39:57,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:39:57,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:39:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:39:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:39:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:39:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:39:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:39:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:39:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:39:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:39:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:39:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:39:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:39:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:39:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:39:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:39:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:39:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:39:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:39:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:39:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:39:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-16 20:39:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-06-16 20:39:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-16 20:39:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:39:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:39:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:39:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-16 20:39:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-16 20:39:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-16 20:39:57,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:40:03,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:40:03,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:40:03,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:40:03,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:40:03,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:40:03,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:40:03,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:40:03,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:40:03,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:40:03,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:40:03,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:40:03,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:40:03,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:03,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:03,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:40:03,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:40:03,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:40:03,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:40:03,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:03,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:40:03,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:40:03,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:40:03,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:40:03,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:40:03,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:40:03,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:40:03,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:40:03,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:40:03,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:40:03,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:40:03,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:40:03,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:40:03,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:40:03,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:03,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:40:03,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:40:03,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:40:03,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:40:03,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:40:03,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:40:03,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:40:03,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:40:03,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-16 20:40:03,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-16 20:40:03,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-16 20:40:03,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-16 20:40:03,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:40:03,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:40:03,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-16 20:40:03,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-16 20:40:03,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-16 20:40:03,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:40:04,150 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable968,53 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:40:04,150 INFO L430 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:40:04,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:40:04,151 INFO L82 PathProgramCache]: Analyzing trace with hash 598180346, now seen corresponding path program 47 times [2021-06-16 20:40:04,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:40:04,151 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138519216] [2021-06-16 20:40:04,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:40:04,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:40:04,727 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:40:04,728 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:40:04,728 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138519216] [2021-06-16 20:40:04,728 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138519216] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:40:04,728 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1529134856] [2021-06-16 20:40:04,728 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:40:04,790 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-16 20:40:04,790 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:40:04,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 76 conjunts are in the unsatisfiable core [2021-06-16 20:40:04,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:40:04,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-16 20:40:04,951 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:04,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-16 20:40:04,953 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:04,960 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:40:04,961 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 20:40:04,961 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:39, output treesize:25 [2021-06-16 20:40:05,478 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:05,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 51 [2021-06-16 20:40:05,489 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-16 20:40:05,498 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:05,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 49 [2021-06-16 20:40:05,509 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:05,517 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:05,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 41 [2021-06-16 20:40:05,528 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:05,530 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:40:05,531 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:05,572 INFO L628 ElimStorePlain]: treesize reduction 32, result has 65.2 percent of original size [2021-06-16 20:40:05,575 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:05,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-16 20:40:05,576 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:05,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-16 20:40:05,578 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:05,585 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:40:05,604 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:40:05,604 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 20:40:05,605 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:293, output treesize:38 [2021-06-16 20:40:05,711 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:40:05,712 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1529134856] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:40:05,712 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:40:05,712 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 39 [2021-06-16 20:40:05,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537769697] [2021-06-16 20:40:05,712 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-06-16 20:40:05,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:40:05,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-06-16 20:40:05,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=1380, Unknown=0, NotChecked=0, Total=1482 [2021-06-16 20:40:05,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:40:05,713 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:40:05,713 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 1.358974358974359) internal successors, (53), 39 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:40:05,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:40:05,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:40:05,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:40:05,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:40:05,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:40:05,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:40:05,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:40:05,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:40:05,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:40:05,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:40:05,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:40:05,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:40:05,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:05,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:05,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:40:05,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:40:05,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:40:05,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:40:05,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:05,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:40:05,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:40:05,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:40:05,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:40:05,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:40:05,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:40:05,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:40:05,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:40:05,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:40:05,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:40:05,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:40:05,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:40:05,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:40:05,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:40:05,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:05,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:40:05,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:40:05,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:40:05,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:40:05,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:40:05,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:40:05,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:40:05,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:40:05,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-16 20:40:05,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-16 20:40:05,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-16 20:40:05,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-16 20:40:05,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:40:05,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:40:05,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-16 20:40:05,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-16 20:40:05,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-16 20:40:05,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:40:05,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:40:07,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:40:07,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:40:07,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:40:07,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:40:07,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:40:07,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:40:07,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:40:07,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:40:07,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:40:07,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:40:07,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:40:07,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:40:07,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:07,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:07,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:40:07,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:40:07,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:40:07,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:40:07,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:07,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:40:07,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:40:07,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:40:07,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:40:07,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:40:07,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:40:07,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:40:07,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:40:07,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:40:07,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:40:07,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:40:07,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:40:07,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:40:07,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:40:07,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:07,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:40:07,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:40:07,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:40:07,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:40:07,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:40:07,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:40:07,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:40:07,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:40:07,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-16 20:40:07,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-16 20:40:07,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-16 20:40:07,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-16 20:40:07,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:40:07,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:40:07,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-16 20:40:07,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-16 20:40:07,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-16 20:40:07,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:40:07,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:07,452 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable975 [2021-06-16 20:40:07,453 INFO L430 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:40:07,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:40:07,453 INFO L82 PathProgramCache]: Analyzing trace with hash 1154433710, now seen corresponding path program 48 times [2021-06-16 20:40:07,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:40:07,453 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375893963] [2021-06-16 20:40:07,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:40:07,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:40:07,904 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 20:40:07,904 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:40:07,904 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375893963] [2021-06-16 20:40:07,904 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375893963] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:40:07,905 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1475931136] [2021-06-16 20:40:07,905 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:40:07,961 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-16 20:40:07,962 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:40:07,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 56 conjunts are in the unsatisfiable core [2021-06-16 20:40:07,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:40:08,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-16 20:40:08,099 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:08,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-16 20:40:08,101 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:08,114 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:40:08,115 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 20:40:08,115 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-16 20:40:08,416 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:08,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:40:08,418 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:08,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-16 20:40:08,420 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:08,435 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-16 20:40:08,435 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-16 20:40:08,436 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 20:40:08,436 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-16 20:40:08,471 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 20:40:08,471 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1475931136] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:40:08,471 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:40:08,471 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 38 [2021-06-16 20:40:08,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961368934] [2021-06-16 20:40:08,471 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-06-16 20:40:08,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:40:08,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-06-16 20:40:08,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1309, Unknown=0, NotChecked=0, Total=1406 [2021-06-16 20:40:08,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:40:08,472 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:40:08,472 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 38 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:40:08,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:40:08,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:40:08,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:40:08,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:40:08,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:40:08,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:40:08,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:40:08,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:40:08,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:40:08,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:40:08,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:40:08,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:40:08,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:08,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:08,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:40:08,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:40:08,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:40:08,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:40:08,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:08,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:40:08,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:40:08,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:40:08,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:40:08,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:40:08,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:40:08,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:40:08,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:40:08,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:40:08,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:40:08,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:40:08,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:40:08,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:40:08,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:40:08,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:08,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:40:08,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:40:08,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:40:08,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:40:08,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:40:08,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:40:08,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:40:08,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:40:08,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-16 20:40:08,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-16 20:40:08,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-16 20:40:08,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-16 20:40:08,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:40:08,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:40:08,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-16 20:40:08,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-16 20:40:08,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-16 20:40:08,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:40:08,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:08,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:40:10,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:40:10,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:40:10,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:40:10,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:40:10,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:40:10,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:40:10,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:40:10,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:40:10,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:40:10,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:40:10,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:40:10,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:40:10,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:10,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:10,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:40:10,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:40:10,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:40:10,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:40:10,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:10,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:40:10,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:40:10,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:40:10,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:40:10,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:40:10,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:40:10,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:40:10,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:40:10,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:40:10,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:40:10,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:40:10,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:40:10,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:40:10,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:40:10,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:10,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:40:10,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:40:10,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:40:10,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:40:10,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:40:10,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:40:10,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:40:10,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:40:10,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-16 20:40:10,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-16 20:40:10,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-16 20:40:10,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-16 20:40:10,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:40:10,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:40:10,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-16 20:40:10,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-16 20:40:10,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-16 20:40:10,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:40:10,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:10,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:40:10,703 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable990,55 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:40:10,704 INFO L430 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:40:10,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:40:10,704 INFO L82 PathProgramCache]: Analyzing trace with hash 2085258376, now seen corresponding path program 49 times [2021-06-16 20:40:10,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:40:10,704 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855448056] [2021-06-16 20:40:10,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:40:10,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:40:12,299 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:40:12,299 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:40:12,299 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855448056] [2021-06-16 20:40:12,300 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855448056] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:40:12,300 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [577974732] [2021-06-16 20:40:12,300 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:40:12,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:40:12,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 107 conjunts are in the unsatisfiable core [2021-06-16 20:40:12,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:40:14,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,721 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:14,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,745 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:14,746 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 20:40:14,748 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:14,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,772 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:14,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 70 [2021-06-16 20:40:14,777 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-16 20:40:14,853 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:40:14,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,877 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:14,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,899 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:14,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 60 [2021-06-16 20:40:14,903 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:14,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,924 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:14,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:14,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 62 [2021-06-16 20:40:14,929 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:14,965 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:40:14,969 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-06-16 20:40:14,970 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:427, output treesize:107 [2021-06-16 20:40:15,880 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-06-16 20:40:16,229 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-06-16 20:40:16,633 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-06-16 20:40:17,126 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-06-16 20:40:17,655 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-06-16 20:40:18,272 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-06-16 20:40:18,966 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-06-16 20:40:19,112 INFO L446 ElimStorePlain]: Different costs {36=[array_4], 153=[array_0]} [2021-06-16 20:40:19,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,143 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:19,157 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 112 treesize of output 76 [2021-06-16 20:40:19,161 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-06-16 20:40:19,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,194 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:19,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 70 [2021-06-16 20:40:19,212 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:19,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,242 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:19,257 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 105 treesize of output 71 [2021-06-16 20:40:19,261 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-16 20:40:19,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,293 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:19,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 63 [2021-06-16 20:40:19,311 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:19,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,345 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:19,360 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 20:40:19,364 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:19,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,398 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:19,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 60 [2021-06-16 20:40:19,416 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:19,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,450 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:19,466 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 20:40:19,469 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:19,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,503 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:19,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 62 [2021-06-16 20:40:19,521 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:19,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,552 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:19,566 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 114 treesize of output 78 [2021-06-16 20:40:19,569 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2021-06-16 20:40:19,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:19,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 70 [2021-06-16 20:40:19,596 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2021-06-16 20:40:19,884 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 96 [2021-06-16 20:40:19,884 INFO L628 ElimStorePlain]: treesize reduction 146, result has 71.4 percent of original size [2021-06-16 20:40:19,891 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:19,891 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:19,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-16 20:40:19,892 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:19,897 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:19,898 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:19,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-16 20:40:19,898 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:19,907 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:40:19,913 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:19,913 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:19,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-06-16 20:40:19,914 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:19,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:19,920 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:19,920 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 44 treesize of output 19 [2021-06-16 20:40:19,921 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:19,934 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:40:19,940 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:19,940 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:19,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-16 20:40:19,941 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:19,946 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:19,946 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:19,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-16 20:40:19,947 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:19,952 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:19,952 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:19,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-06-16 20:40:19,953 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:19,958 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:19,958 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:19,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-06-16 20:40:19,959 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:19,968 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:40:19,973 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:19,973 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:19,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-06-16 20:40:19,974 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:19,979 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:19,979 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:19,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-16 20:40:19,980 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:19,995 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:19,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-16 20:40:19,996 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:20,005 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:40:20,111 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-06-16 20:40:20,111 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:40:20,116 INFO L550 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-06-16 20:40:20,116 INFO L247 ElimStorePlain]: Needed 22 recursive calls to eliminate 12 variables, input treesize:1181, output treesize:185 [2021-06-16 20:40:20,355 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2021-06-16 20:40:20,484 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:40:20,484 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [577974732] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:40:20,484 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:40:20,484 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 30] total 59 [2021-06-16 20:40:20,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166137656] [2021-06-16 20:40:20,484 INFO L462 AbstractCegarLoop]: Interpolant automaton has 59 states [2021-06-16 20:40:20,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:40:20,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2021-06-16 20:40:20,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=3281, Unknown=0, NotChecked=0, Total=3422 [2021-06-16 20:40:20,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:40:20,485 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:40:20,485 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 59 states, 59 states have (on average 1.2372881355932204) internal successors, (73), 59 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:40:20,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:40:20,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:40:20,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:40:20,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:40:20,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:40:20,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:40:20,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:40:20,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:40:20,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:40:20,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:40:20,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:40:20,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:40:20,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:20,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:20,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:40:20,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:40:20,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:40:20,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:40:20,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:20,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:40:20,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:40:20,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:40:20,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:40:20,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:40:20,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:40:20,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:40:20,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:40:20,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:40:20,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:40:20,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:40:20,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:40:20,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:40:20,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:40:20,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:20,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:40:20,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:40:20,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:40:20,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:40:20,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:40:20,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:40:20,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:40:20,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:40:20,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-16 20:40:20,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-16 20:40:20,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-16 20:40:20,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-16 20:40:20,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:40:20,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:40:20,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-16 20:40:20,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-16 20:40:20,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-16 20:40:20,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:40:20,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:20,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:40:20,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:40:24,100 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 122 [2021-06-16 20:40:24,365 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 125 [2021-06-16 20:40:24,648 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 123 [2021-06-16 20:40:24,955 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 125 [2021-06-16 20:40:25,237 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 122 [2021-06-16 20:40:25,544 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 123 [2021-06-16 20:40:25,824 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 123 [2021-06-16 20:40:26,113 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 123 [2021-06-16 20:40:26,596 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 126 [2021-06-16 20:40:26,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:40:26,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:40:26,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:40:26,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:40:26,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:40:26,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:40:26,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:40:26,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:40:26,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:40:26,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:40:26,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:40:26,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:40:26,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:26,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:26,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:40:26,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:40:26,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:40:26,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:40:26,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:26,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:40:26,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:40:26,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:40:26,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:40:26,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:40:26,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:40:26,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:40:26,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:40:26,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:40:26,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:40:26,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:40:26,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:40:26,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:40:26,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:40:26,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:26,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:40:26,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:40:26,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:40:26,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:40:26,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:40:26,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:40:26,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:40:26,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:40:26,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-16 20:40:26,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-16 20:40:26,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-16 20:40:26,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-16 20:40:26,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:40:26,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:40:26,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-16 20:40:26,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-16 20:40:26,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-16 20:40:26,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:40:26,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:26,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:40:26,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:27,074 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 56 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable993 [2021-06-16 20:40:27,074 INFO L430 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:40:27,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:40:27,074 INFO L82 PathProgramCache]: Analyzing trace with hash -226170820, now seen corresponding path program 50 times [2021-06-16 20:40:27,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:40:27,075 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308780179] [2021-06-16 20:40:27,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:40:27,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:40:28,041 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:40:28,041 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:40:28,041 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308780179] [2021-06-16 20:40:28,041 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308780179] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:40:28,041 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1390677510] [2021-06-16 20:40:28,041 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:40:28,100 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 20:40:28,100 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:40:28,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 85 conjunts are in the unsatisfiable core [2021-06-16 20:40:28,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:40:30,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:30,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:30,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:30,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:30,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:30,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:30,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:30,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:30,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:30,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:30,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:30,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:30,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:30,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:30,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:30,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:30,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:30,978 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:30,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:30,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:30,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:30,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:30,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:30,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:30,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:30,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:30,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:30,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:30,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:30,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:30,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:30,999 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:31,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 69 [2021-06-16 20:40:31,013 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:31,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,040 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:31,064 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:31,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 61 [2021-06-16 20:40:31,067 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:31,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,082 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:31,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,103 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:31,112 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 20:40:31,115 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:31,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,130 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:31,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,150 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:31,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 60 [2021-06-16 20:40:31,163 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:31,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,177 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:31,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,196 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:31,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 61 [2021-06-16 20:40:31,209 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:31,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:40:31,234 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:31,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 60 [2021-06-16 20:40:31,238 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:31,352 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2021-06-16 20:40:31,353 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.5 percent of original size [2021-06-16 20:40:31,357 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2021-06-16 20:40:31,358 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:655, output treesize:125 [2021-06-16 20:40:32,487 INFO L446 ElimStorePlain]: Different costs {0=[array_4, v_prenex_256], 1=[array_0, v_prenex_255]} [2021-06-16 20:40:32,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-16 20:40:32,491 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-16 20:40:32,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-16 20:40:32,495 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:32,543 INFO L628 ElimStorePlain]: treesize reduction 59, result has 52.0 percent of original size [2021-06-16 20:40:32,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-16 20:40:32,547 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:32,565 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:40:32,568 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:32,568 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:32,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-16 20:40:32,569 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:32,571 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:32,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-16 20:40:32,572 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:32,579 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:40:32,594 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:40:32,594 INFO L518 ElimStorePlain]: Eliminatee v_prenex_255 vanished before elimination [2021-06-16 20:40:32,595 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-16 20:40:32,595 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:119, output treesize:18 [2021-06-16 20:40:32,668 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:40:32,668 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1390677510] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:40:32,668 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:40:32,668 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 31] total 60 [2021-06-16 20:40:32,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676315820] [2021-06-16 20:40:32,669 INFO L462 AbstractCegarLoop]: Interpolant automaton has 60 states [2021-06-16 20:40:32,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:40:32,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2021-06-16 20:40:32,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=3389, Unknown=0, NotChecked=0, Total=3540 [2021-06-16 20:40:32,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:40:32,670 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:40:32,670 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 60 states, 60 states have (on average 1.25) internal successors, (75), 60 states have internal predecessors, (75), 0 states have call successors, (0), 0 states 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 20:40:32,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:40:32,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:40:32,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:40:32,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:40:32,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:40:32,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:40:32,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:40:32,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:40:32,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:40:32,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:40:32,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:40:32,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:40:32,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:32,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:32,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:40:32,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:40:32,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:40:32,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:40:32,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:32,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:40:32,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:40:32,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:40:32,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:40:32,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:40:32,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:40:32,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:40:32,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:40:32,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:40:32,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:40:32,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:40:32,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:40:32,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:40:32,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:40:32,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:32,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:40:32,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:40:32,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:40:32,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:40:32,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:40:32,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:40:32,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:40:32,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:40:32,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-16 20:40:32,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-16 20:40:32,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-16 20:40:32,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-16 20:40:32,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:40:32,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:40:32,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-16 20:40:32,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-16 20:40:32,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-16 20:40:32,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:40:32,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:32,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:40:32,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:32,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:40:35,880 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 72 [2021-06-16 20:40:36,355 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 154 [2021-06-16 20:40:36,765 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 148 [2021-06-16 20:40:37,221 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 148 [2021-06-16 20:40:37,703 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 148 [2021-06-16 20:40:38,171 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 145 [2021-06-16 20:40:38,631 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 145 [2021-06-16 20:40:39,086 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 156 [2021-06-16 20:40:39,509 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 156 [2021-06-16 20:40:40,041 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 110 [2021-06-16 20:40:40,537 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 103 [2021-06-16 20:40:41,152 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 111 [2021-06-16 20:40:41,760 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 111 [2021-06-16 20:40:42,294 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 110 [2021-06-16 20:40:42,832 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 112 [2021-06-16 20:40:43,352 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 110 [2021-06-16 20:40:43,868 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 110 [2021-06-16 20:40:44,403 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 112 [2021-06-16 20:40:44,939 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 112 [2021-06-16 20:40:45,463 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 120 [2021-06-16 20:40:45,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:40:45,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:40:45,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:40:45,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:40:45,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:40:45,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:40:45,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:40:45,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:40:45,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:40:45,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:40:45,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:40:45,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:40:45,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:40:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:40:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:40:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:40:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:40:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:40:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:40:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:40:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:40:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:40:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:40:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:40:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:40:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:40:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:40:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:40:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:40:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:40:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:40:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:40:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:40:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:40:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:40:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:40:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:40:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:40:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-16 20:40:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-16 20:40:45,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-16 20:40:45,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-16 20:40:45,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:40:45,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:40:45,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-16 20:40:45,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-16 20:40:45,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-16 20:40:45,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:40:45,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:45,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:40:45,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:45,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:40:45,843 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 57 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1036 [2021-06-16 20:40:45,844 INFO L430 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:40:45,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:40:45,844 INFO L82 PathProgramCache]: Analyzing trace with hash -2058776390, now seen corresponding path program 51 times [2021-06-16 20:40:45,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:40:45,844 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908548574] [2021-06-16 20:40:45,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:40:45,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:40:46,407 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 9 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:40:46,408 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:40:46,408 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908548574] [2021-06-16 20:40:46,408 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908548574] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:40:46,408 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1722176579] [2021-06-16 20:40:46,408 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:40:46,470 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-16 20:40:46,471 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:40:46,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 62 conjunts are in the unsatisfiable core [2021-06-16 20:40:46,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:40:46,854 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:46,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-16 20:40:46,855 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:46,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-16 20:40:46,858 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:46,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-16 20:40:46,862 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:46,864 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:46,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-16 20:40:46,865 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:46,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-16 20:40:46,868 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:46,870 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:40:46,870 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:46,900 INFO L628 ElimStorePlain]: treesize reduction 14, result has 69.6 percent of original size [2021-06-16 20:40:46,900 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-16 20:40:46,900 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-06-16 20:40:47,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-16 20:40:47,280 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:47,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-06-16 20:40:47,283 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:47,285 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:40:47,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:40:47,285 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:47,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-16 20:40:47,288 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:40:47,305 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-06-16 20:40:47,305 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-16 20:40:47,306 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 20:40:47,306 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-16 20:40:47,353 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 9 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:40:47,354 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1722176579] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:40:47,354 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:40:47,354 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 50 [2021-06-16 20:40:47,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475376834] [2021-06-16 20:40:47,354 INFO L462 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-06-16 20:40:47,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:40:47,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-06-16 20:40:47,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=2318, Unknown=0, NotChecked=0, Total=2450 [2021-06-16 20:40:47,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:40:47,355 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:40:47,355 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 50 states, 50 states have (on average 1.24) internal successors, (62), 50 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:40:47,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:40:47,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:40:47,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:40:47,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:40:47,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:40:47,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:40:47,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:40:47,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:40:47,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:40:47,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:40:47,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:40:47,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:40:47,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:47,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:47,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:40:47,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:40:47,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:40:47,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:40:47,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:47,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:40:47,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:40:47,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:40:47,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:40:47,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:40:47,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:40:47,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:40:47,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:40:47,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:40:47,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:40:47,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:40:47,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:40:47,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:40:47,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:40:47,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:47,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:40:47,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:40:47,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:40:47,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:40:47,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:40:47,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:40:47,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:40:47,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:40:47,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-16 20:40:47,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-16 20:40:47,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-16 20:40:47,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-16 20:40:47,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:40:47,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:40:47,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-16 20:40:47,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-16 20:40:47,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-16 20:40:47,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:40:47,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:47,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:40:47,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:40:47,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:40:47,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:40:52,038 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 127 [2021-06-16 20:40:53,448 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 182 DAG size of output: 138 [2021-06-16 20:40:54,996 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 187 DAG size of output: 142 [2021-06-16 20:40:56,167 WARN L205 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 146 [2021-06-16 20:40:57,446 WARN L205 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 162 [2021-06-16 20:40:59,443 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 199 DAG size of output: 167 [2021-06-16 20:41:01,602 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 203 DAG size of output: 171 [2021-06-16 20:41:03,633 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 206 DAG size of output: 161 [2021-06-16 20:41:04,339 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 157 [2021-06-16 20:41:05,030 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 158 [2021-06-16 20:41:05,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:41:05,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:41:05,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:41:05,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:41:05,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:41:05,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:41:05,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:41:05,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:41:05,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:41:05,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:41:05,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:41:05,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:41:05,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:41:05,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:41:05,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:41:05,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:41:05,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:41:05,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:41:05,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:41:05,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:41:05,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:41:05,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:41:05,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:41:05,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:41:05,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:41:05,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:41:05,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:41:05,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:41:05,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:41:05,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:41:05,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:41:05,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:41:05,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:41:05,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:41:05,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:41:05,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:41:05,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:41:05,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:41:05,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:41:05,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:41:05,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:41:05,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:41:05,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-16 20:41:05,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-16 20:41:05,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-16 20:41:05,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-16 20:41:05,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:41:05,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:41:05,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-16 20:41:05,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-16 20:41:05,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-16 20:41:05,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:41:05,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:41:05,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:41:05,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:41:05,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:41:05,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-16 20:41:05,388 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1063,58 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:41:05,389 INFO L430 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:41:05,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:41:05,389 INFO L82 PathProgramCache]: Analyzing trace with hash 876051950, now seen corresponding path program 52 times [2021-06-16 20:41:05,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:41:05,389 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819209134] [2021-06-16 20:41:05,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:41:05,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:41:06,181 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:41:06,181 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:41:06,181 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819209134] [2021-06-16 20:41:06,181 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819209134] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:41:06,181 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1814762599] [2021-06-16 20:41:06,181 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:41:06,232 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-16 20:41:06,232 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:41:06,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 86 conjunts are in the unsatisfiable core [2021-06-16 20:41:06,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:41:07,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 48 [2021-06-16 20:41:07,077 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:07,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 46 [2021-06-16 20:41:07,102 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:07,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 56 [2021-06-16 20:41:07,127 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-16 20:41:07,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 46 [2021-06-16 20:41:07,152 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:07,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 48 [2021-06-16 20:41:07,178 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:07,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 54 [2021-06-16 20:41:07,205 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:07,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 54 [2021-06-16 20:41:07,211 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:07,262 INFO L628 ElimStorePlain]: treesize reduction 28, result has 77.2 percent of original size [2021-06-16 20:41:07,263 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-06-16 20:41:07,263 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 1 variables, input treesize:501, output treesize:95 [2021-06-16 20:41:08,087 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:08,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-16 20:41:08,088 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:08,092 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:08,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:41:08,093 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:08,096 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:08,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:41:08,097 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:08,100 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:08,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-06-16 20:41:08,101 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:08,105 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:08,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:41:08,106 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:08,108 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:41:08,109 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:08,111 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:41:08,112 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:08,115 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:08,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:41:08,116 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:08,139 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:08,139 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 18 treesize of output 14 [2021-06-16 20:41:08,140 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:08,142 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:41:08,143 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:08,145 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:08,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:41:08,146 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:08,148 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:41:08,149 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:08,199 INFO L628 ElimStorePlain]: treesize reduction 84, result has 42.5 percent of original size [2021-06-16 20:41:08,201 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:08,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-16 20:41:08,202 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:08,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-16 20:41:08,205 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:08,222 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:41:08,223 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-06-16 20:41:08,223 INFO L247 ElimStorePlain]: Needed 15 recursive calls to eliminate 2 variables, input treesize:333, output treesize:46 [2021-06-16 20:41:08,358 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:41:08,358 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1814762599] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:41:08,358 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:41:08,358 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 31] total 51 [2021-06-16 20:41:08,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936044149] [2021-06-16 20:41:08,358 INFO L462 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-06-16 20:41:08,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:41:08,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-06-16 20:41:08,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=2416, Unknown=0, NotChecked=0, Total=2550 [2021-06-16 20:41:08,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:41:08,359 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:41:08,359 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 1.2941176470588236) internal successors, (66), 51 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:41:08,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:41:08,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:41:08,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:41:08,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:41:08,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:41:08,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:41:08,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:41:08,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:41:08,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:41:08,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:41:08,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:41:08,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:41:08,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:41:08,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:41:08,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:41:08,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:41:08,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:41:08,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:41:08,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:41:08,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:41:08,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:41:08,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:41:08,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:41:08,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:41:08,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:41:08,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:41:08,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:41:08,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:41:08,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:41:08,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:41:08,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:41:08,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:41:08,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:41:08,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:41:08,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:41:08,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:41:08,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:41:08,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:41:08,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:41:08,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:41:08,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:41:08,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:41:08,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-16 20:41:08,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-16 20:41:08,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-16 20:41:08,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-16 20:41:08,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:41:08,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:41:08,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-16 20:41:08,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-16 20:41:08,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-16 20:41:08,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:41:08,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:41:08,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:41:08,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:41:08,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:41:08,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-16 20:41:08,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:41:10,847 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2021-06-16 20:41:11,217 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2021-06-16 20:41:11,575 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2021-06-16 20:41:11,760 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 71 [2021-06-16 20:41:11,999 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2021-06-16 20:41:12,198 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2021-06-16 20:41:12,542 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 56 [2021-06-16 20:41:12,731 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2021-06-16 20:41:12,927 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2021-06-16 20:41:13,116 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2021-06-16 20:41:13,305 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2021-06-16 20:41:13,494 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2021-06-16 20:41:13,682 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2021-06-16 20:41:13,872 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2021-06-16 20:41:14,109 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 66 [2021-06-16 20:41:14,518 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 147 [2021-06-16 20:41:16,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:41:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:41:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:41:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:41:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:41:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:41:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:41:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:41:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:41:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:41:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:41:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:41:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:41:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:41:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:41:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:41:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:41:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:41:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:41:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:41:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:41:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:41:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:41:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:41:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:41:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:41:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:41:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:41:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:41:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:41:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:41:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:41:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:41:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:41:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:41:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:41:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:41:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:41:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:41:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:41:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:41:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:41:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-16 20:41:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-16 20:41:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-16 20:41:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-16 20:41:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:41:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:41:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-16 20:41:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-16 20:41:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-16 20:41:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:41:16,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:41:16,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:41:16,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:41:16,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:41:16,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-16 20:41:16,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:41:16,340 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1072 [2021-06-16 20:41:16,340 INFO L430 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:41:16,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:41:16,341 INFO L82 PathProgramCache]: Analyzing trace with hash 2021273276, now seen corresponding path program 53 times [2021-06-16 20:41:16,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:41:16,341 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490242668] [2021-06-16 20:41:16,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:41:16,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:41:16,780 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 8 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:41:16,780 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:41:16,780 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490242668] [2021-06-16 20:41:16,780 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490242668] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:41:16,780 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1579797585] [2021-06-16 20:41:16,780 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:41:16,848 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-16 20:41:16,848 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:41:16,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 56 conjunts are in the unsatisfiable core [2021-06-16 20:41:16,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:41:16,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-16 20:41:16,969 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:16,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-16 20:41:16,971 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:16,985 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:41:16,985 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 20:41:16,985 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:51, output treesize:37 [2021-06-16 20:41:17,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-16 20:41:17,267 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:17,270 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:17,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-16 20:41:17,271 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:17,273 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:17,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:41:17,275 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:17,276 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:41:17,277 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:17,296 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-06-16 20:41:17,296 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-16 20:41:17,296 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 20:41:17,297 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-16 20:41:17,337 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 8 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:41:17,337 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1579797585] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:41:17,337 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:41:17,337 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 38 [2021-06-16 20:41:17,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763766110] [2021-06-16 20:41:17,337 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-06-16 20:41:17,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:41:17,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-06-16 20:41:17,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1309, Unknown=0, NotChecked=0, Total=1406 [2021-06-16 20:41:17,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:41:17,338 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:41:17,338 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 38 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:41:17,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:41:17,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:41:17,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:41:17,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:41:17,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:41:17,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:41:17,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:41:17,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:41:17,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:41:17,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:41:17,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:41:17,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:41:17,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:41:17,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:41:17,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:41:17,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:41:17,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:41:17,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:41:17,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:41:17,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:41:17,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:41:17,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:41:17,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:41:17,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:41:17,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:41:17,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:41:17,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:41:17,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:41:17,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:41:17,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:41:17,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:41:17,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:41:17,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:41:17,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:41:17,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:41:17,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:41:17,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:41:17,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:41:17,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:41:17,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:41:17,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:41:17,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:41:17,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-16 20:41:17,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-16 20:41:17,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-16 20:41:17,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-16 20:41:17,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:41:17,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:41:17,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-16 20:41:17,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-16 20:41:17,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-16 20:41:17,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:41:17,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:41:17,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:41:17,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:41:17,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:41:17,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-16 20:41:17,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:41:17,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:41:24,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:41:24,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:41:24,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:41:24,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:41:24,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:41:24,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:41:24,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:41:24,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:41:24,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:41:24,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:41:24,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:41:24,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:41:24,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:41:24,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:41:24,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:41:24,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:41:24,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:41:24,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:41:24,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:41:24,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:41:24,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:41:24,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:41:24,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:41:24,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:41:24,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:41:24,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:41:24,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:41:24,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:41:24,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:41:24,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:41:24,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:41:24,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:41:24,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:41:24,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:41:24,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:41:24,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:41:24,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:41:24,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:41:24,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:41:24,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:41:24,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:41:24,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:41:24,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-16 20:41:24,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-16 20:41:24,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-16 20:41:24,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-16 20:41:24,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:41:24,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:41:24,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-16 20:41:24,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-16 20:41:24,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-16 20:41:24,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:41:24,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-16 20:41:24,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:41:24,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:41:24,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:41:24,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-16 20:41:24,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:41:24,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-16 20:41:24,553 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1106,60 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:41:24,553 INFO L430 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:41:24,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:41:24,553 INFO L82 PathProgramCache]: Analyzing trace with hash -992362670, now seen corresponding path program 54 times [2021-06-16 20:41:24,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:41:24,554 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665418719] [2021-06-16 20:41:24,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:41:24,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:41:25,215 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:41:25,215 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:41:25,215 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665418719] [2021-06-16 20:41:25,215 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665418719] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:41:25,215 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479263455] [2021-06-16 20:41:25,215 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:41:25,273 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-06-16 20:41:25,273 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:41:25,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 85 conjunts are in the unsatisfiable core [2021-06-16 20:41:25,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:41:25,728 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:25,728 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:25,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-06-16 20:41:25,729 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:25,731 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:25,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-16 20:41:25,732 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:25,748 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:41:25,750 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-06-16 20:41:25,750 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:51, output treesize:37 [2021-06-16 20:41:26,740 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-06-16 20:41:26,969 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-06-16 20:41:27,242 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-06-16 20:41:27,292 INFO L446 ElimStorePlain]: Different costs {36=[array_4], 66=[array_0]} [2021-06-16 20:41:27,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,347 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:27,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 60 [2021-06-16 20:41:27,363 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:27,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,390 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:27,404 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 20:41:27,407 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:27,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,434 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:27,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 70 [2021-06-16 20:41:27,451 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-06-16 20:41:27,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:27,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 62 [2021-06-16 20:41:27,475 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:27,563 INFO L628 ElimStorePlain]: treesize reduction 38, result has 72.7 percent of original size [2021-06-16 20:41:27,568 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:27,568 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:27,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-16 20:41:27,569 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:27,572 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:27,573 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:27,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-16 20:41:27,574 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:27,581 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:41:27,585 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:27,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-06-16 20:41:27,585 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:27,622 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:41:27,623 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-16 20:41:27,623 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 6 variables, input treesize:457, output treesize:55 [2021-06-16 20:41:27,766 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:41:27,766 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [479263455] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:41:27,766 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:41:27,766 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 52 [2021-06-16 20:41:27,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003117416] [2021-06-16 20:41:27,766 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-06-16 20:41:27,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:41:27,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-06-16 20:41:27,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=2508, Unknown=0, NotChecked=0, Total=2652 [2021-06-16 20:41:27,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:41:27,767 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:41:27,767 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 1.3076923076923077) internal successors, (68), 52 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:41:27,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:41:27,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:41:27,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:41:27,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:41:27,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:41:27,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:41:27,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:41:27,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:41:27,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:41:27,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:41:27,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:41:27,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:41:27,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:41:27,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:41:27,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:41:27,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:41:27,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:41:27,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:41:27,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:41:27,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:41:27,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:41:27,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:41:27,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:41:27,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:41:27,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:41:27,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:41:27,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:41:27,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:41:27,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:41:27,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:41:27,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:41:27,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:41:27,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:41:27,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:41:27,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:41:27,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:41:27,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:41:27,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:41:27,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:41:27,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:41:27,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:41:27,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:41:27,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-16 20:41:27,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-16 20:41:27,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-16 20:41:27,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-16 20:41:27,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:41:27,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:41:27,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-16 20:41:27,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-16 20:41:27,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-16 20:41:27,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:41:27,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-16 20:41:27,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:41:27,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:41:27,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:41:27,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-16 20:41:27,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:41:27,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-16 20:41:27,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:41:30,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:41:30,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:41:30,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:41:30,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:41:30,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:41:30,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:41:30,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:41:30,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:41:30,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:41:30,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:41:30,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:41:30,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:41:30,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:41:30,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:41:30,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:41:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:41:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:41:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:41:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:41:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:41:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:41:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:41:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:41:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:41:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:41:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:41:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:41:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:41:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:41:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:41:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:41:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:41:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:41:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:41:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:41:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:41:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:41:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:41:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:41:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:41:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:41:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:41:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-16 20:41:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-16 20:41:30,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-16 20:41:30,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-16 20:41:30,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:41:30,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:41:30,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-16 20:41:30,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-16 20:41:30,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-16 20:41:30,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:41:30,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-16 20:41:30,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:41:30,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:41:30,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:41:30,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-16 20:41:30,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:41:30,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-16 20:41:30,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:41:31,100 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 61 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1112 [2021-06-16 20:41:31,100 INFO L430 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:41:31,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:41:31,100 INFO L82 PathProgramCache]: Analyzing trace with hash -1143142734, now seen corresponding path program 55 times [2021-06-16 20:41:31,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:41:31,100 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823666222] [2021-06-16 20:41:31,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:41:31,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:41:31,599 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:41:31,599 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:41:31,599 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823666222] [2021-06-16 20:41:31,599 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823666222] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:41:31,599 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027353098] [2021-06-16 20:41:31,600 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:41:31,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:41:31,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 62 conjunts are in the unsatisfiable core [2021-06-16 20:41:31,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:41:31,817 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:31,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-16 20:41:31,818 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:31,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:41:31,820 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:31,833 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:41:31,834 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 20:41:31,834 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-06-16 20:41:32,158 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:32,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-16 20:41:32,159 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:32,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select 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 20:41:32,162 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:32,177 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-06-16 20:41:32,177 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-16 20:41:32,177 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 20:41:32,178 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-06-16 20:41:32,215 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:41:32,215 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027353098] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:41:32,215 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:41:32,215 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 42 [2021-06-16 20:41:32,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315353730] [2021-06-16 20:41:32,216 INFO L462 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-06-16 20:41:32,216 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:41:32,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-06-16 20:41:32,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1614, Unknown=0, NotChecked=0, Total=1722 [2021-06-16 20:41:32,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:41:32,216 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:41:32,216 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 42 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 42 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:41:32,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:41:32,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:41:32,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:41:32,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:41:32,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:41:32,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:41:32,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:41:32,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:41:32,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:41:32,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:41:32,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:41:32,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:41:32,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:41:32,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:41:32,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:41:32,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:41:32,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:41:32,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:41:32,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:41:32,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:41:32,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:41:32,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:41:32,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:41:32,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:41:32,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:41:32,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:41:32,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:41:32,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:41:32,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:41:32,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:41:32,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:41:32,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:41:32,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:41:32,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:41:32,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:41:32,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:41:32,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:41:32,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:41:32,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:41:32,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:41:32,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:41:32,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:41:32,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-16 20:41:32,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-16 20:41:32,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-16 20:41:32,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-16 20:41:32,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:41:32,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:41:32,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-16 20:41:32,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-16 20:41:32,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-16 20:41:32,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:41:32,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-16 20:41:32,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:41:32,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:41:32,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:41:32,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-16 20:41:32,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:41:32,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-16 20:41:32,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:41:32,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:41:34,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:41:34,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:41:34,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:41:34,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:41:34,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:41:34,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:41:34,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:41:34,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:41:34,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:41:34,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:41:34,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:41:34,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:41:34,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:41:34,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:41:34,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:41:34,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:41:34,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:41:34,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:41:34,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:41:34,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:41:34,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:41:34,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:41:34,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:41:34,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:41:34,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:41:34,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:41:34,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:41:34,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:41:34,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:41:34,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:41:34,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:41:34,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:41:34,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:41:34,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:41:34,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:41:34,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:41:34,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:41:34,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:41:34,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:41:34,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:41:34,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:41:34,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:41:34,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-16 20:41:34,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-16 20:41:34,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-16 20:41:34,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-16 20:41:34,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:41:34,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:41:34,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-16 20:41:34,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-16 20:41:34,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-16 20:41:34,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:41:34,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-16 20:41:34,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:41:34,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:41:34,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:41:34,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-16 20:41:34,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:41:34,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-16 20:41:34,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:41:34,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:41:35,084 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1138,62 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:41:35,085 INFO L430 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:41:35,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:41:35,085 INFO L82 PathProgramCache]: Analyzing trace with hash -420134652, now seen corresponding path program 56 times [2021-06-16 20:41:35,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:41:35,085 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041459982] [2021-06-16 20:41:35,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:41:35,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:41:36,481 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:41:36,481 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:41:36,481 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041459982] [2021-06-16 20:41:36,481 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041459982] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:41:36,481 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [58674867] [2021-06-16 20:41:36,481 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 63 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:41:36,541 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 20:41:36,541 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:41:36,543 WARN L261 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 141 conjunts are in the unsatisfiable core [2021-06-16 20:41:36,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:41:38,390 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-06-16 20:41:38,862 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-06-16 20:41:39,449 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-06-16 20:41:39,935 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2021-06-16 20:41:40,486 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2021-06-16 20:41:41,096 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2021-06-16 20:41:41,755 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2021-06-16 20:41:42,483 WARN L205 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2021-06-16 20:41:42,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,600 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:42,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,607 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:42,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,616 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:42,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,626 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:42,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,629 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:42,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,631 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:42,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,635 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:42,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,636 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:42,637 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:42,642 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:42,650 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:42,664 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:42,676 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:42,681 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:42,684 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:42,690 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:42,691 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:42,692 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:42,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 36 disjoint index pairs (out of 153 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 115 [2021-06-16 20:41:42,695 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:42,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,701 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:42,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,708 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:42,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,717 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:42,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,727 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:42,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,730 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:42,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,732 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:42,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,736 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:42,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,737 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:42,738 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:42,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 36 disjoint index pairs (out of 153 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 171 treesize of output 117 [2021-06-16 20:41:42,741 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:42,918 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2021-06-16 20:41:42,919 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:41:42,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,927 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:42,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,937 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:42,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,946 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:42,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,950 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:42,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,952 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:42,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,959 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:42,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,962 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:42,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:42,966 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:42,966 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:42,970 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:42,985 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:42,996 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:43,003 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:43,005 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:43,014 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:43,016 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:43,020 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:43,020 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:43,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 36 disjoint index pairs (out of 153 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 115 [2021-06-16 20:41:43,023 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:43,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,031 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:43,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,040 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:43,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,050 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:43,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,054 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:43,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,056 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:43,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,063 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:43,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,066 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:43,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:41:43,069 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:43,070 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:43,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 36 disjoint index pairs (out of 153 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 159 treesize of output 107 [2021-06-16 20:41:43,072 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:43,190 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-06-16 20:41:43,190 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:41:43,197 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-06-16 20:41:43,197 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:702, output treesize:402 [2021-06-16 20:41:44,685 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-06-16 20:41:45,400 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2021-06-16 20:41:46,098 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2021-06-16 20:41:46,913 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 209 [2021-06-16 20:41:47,784 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 209 [2021-06-16 20:41:48,611 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 209 [2021-06-16 20:41:49,465 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 209 [2021-06-16 20:41:50,261 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2021-06-16 20:41:51,013 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 209 [2021-06-16 20:41:51,143 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_306, v_prenex_308, array_4, v_prenex_302, v_prenex_304], 45=[v_prenex_305, v_prenex_307, array_0, v_prenex_301, v_prenex_303]} [2021-06-16 20:41:51,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 75 [2021-06-16 20:41:51,185 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:51,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 77 [2021-06-16 20:41:51,197 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-16 20:41:51,713 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 225 [2021-06-16 20:41:51,714 INFO L628 ElimStorePlain]: treesize reduction 237, result has 73.5 percent of original size [2021-06-16 20:41:51,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 77 [2021-06-16 20:41:51,752 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:51,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 79 [2021-06-16 20:41:51,763 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:51,914 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2021-06-16 20:41:51,914 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:41:51,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 62 [2021-06-16 20:41:51,924 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:52,058 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2021-06-16 20:41:52,058 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:41:52,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 70 [2021-06-16 20:41:52,094 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:52,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 72 [2021-06-16 20:41:52,103 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:52,186 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:41:52,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 77 [2021-06-16 20:41:52,195 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2021-06-16 20:41:52,268 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:41:52,273 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:52,274 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:52,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-16 20:41:52,275 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:52,279 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:52,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-16 20:41:52,280 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:52,289 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:41:52,357 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:41:52,362 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:52,362 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:52,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-06-16 20:41:52,363 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:52,368 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:52,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-06-16 20:41:52,369 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:52,433 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:41:52,433 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-06-16 20:41:52,437 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:52,438 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:52,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-06-16 20:41:52,439 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:52,443 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:52,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-06-16 20:41:52,443 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:52,505 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:41:52,509 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:52,509 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:52,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-16 20:41:52,510 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:52,513 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:41:52,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-06-16 20:41:52,514 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-16 20:41:52,522 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:41:52,578 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:41:52,581 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 10 dim-1 vars, End of recursive call: and 9 xjuncts. [2021-06-16 20:41:52,581 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 15 variables, input treesize:1033, output treesize:70 [2021-06-16 20:41:52,754 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:41:52,754 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [58674867] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:41:52,754 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:41:52,754 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 32] total 63 [2021-06-16 20:41:52,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910084028] [2021-06-16 20:41:52,754 INFO L462 AbstractCegarLoop]: Interpolant automaton has 63 states [2021-06-16 20:41:52,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:41:52,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-06-16 20:41:52,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=3773, Unknown=0, NotChecked=0, Total=3906 [2021-06-16 20:41:52,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:41:52,755 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:41:52,755 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 63 states, 63 states have (on average 1.253968253968254) internal successors, (79), 63 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:41:52,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:41:52,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:41:52,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:41:52,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:41:52,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:41:52,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:41:52,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:41:52,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:41:52,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:41:52,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:41:52,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:41:52,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:41:52,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:41:52,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:41:52,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:41:52,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:41:52,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:41:52,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:41:52,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:41:52,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:41:52,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:41:52,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:41:52,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:41:52,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:41:52,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:41:52,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:41:52,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:41:52,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:41:52,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:41:52,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:41:52,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:41:52,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:41:52,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:41:52,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:41:52,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:41:52,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:41:52,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:41:52,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:41:52,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:41:52,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:41:52,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:41:52,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:41:52,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-16 20:41:52,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-16 20:41:52,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-16 20:41:52,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-16 20:41:52,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:41:52,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:41:52,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-16 20:41:52,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-16 20:41:52,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-16 20:41:52,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:41:52,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-16 20:41:52,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:41:52,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:41:52,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:41:52,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-16 20:41:52,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:41:52,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-16 20:41:52,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:41:52,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:41:52,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:42:00,405 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 137 [2021-06-16 20:42:01,133 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 149 [2021-06-16 20:42:02,009 WARN L205 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 196 [2021-06-16 20:42:02,981 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 201 [2021-06-16 20:42:04,003 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 205 [2021-06-16 20:42:05,130 WARN L205 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 208 [2021-06-16 20:42:06,425 WARN L205 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 212 [2021-06-16 20:42:07,828 WARN L205 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 217 [2021-06-16 20:42:09,267 WARN L205 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 220 [2021-06-16 20:42:10,064 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 251 [2021-06-16 20:42:10,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:42:10,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:42:10,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:42:10,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:42:10,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:42:10,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:42:10,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:42:10,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:42:10,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:42:10,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:42:10,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:42:10,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:42:10,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:42:10,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:42:10,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:42:10,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:42:10,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:42:10,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:42:10,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:42:10,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:42:10,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:42:10,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:42:10,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:42:10,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:42:10,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:42:10,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:42:10,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:42:10,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:42:10,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:42:10,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:42:10,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:42:10,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:42:10,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:42:10,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:42:10,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:42:10,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:42:10,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:42:10,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:42:10,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:42:10,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:42:10,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:42:10,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:42:10,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-16 20:42:10,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-16 20:42:10,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-16 20:42:10,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-16 20:42:10,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:42:10,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:42:10,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-16 20:42:10,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-16 20:42:10,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-16 20:42:10,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:42:10,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-16 20:42:10,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:42:10,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:42:10,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:42:10,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-16 20:42:10,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:42:10,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-16 20:42:10,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:42:10,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:42:10,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:42:10,877 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1141,63 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:42:10,878 INFO L430 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:42:10,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:42:10,880 INFO L82 PathProgramCache]: Analyzing trace with hash 709111908, now seen corresponding path program 57 times [2021-06-16 20:42:10,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:42:10,881 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091423064] [2021-06-16 20:42:10,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:42:10,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:42:11,785 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:42:11,785 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:42:11,785 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091423064] [2021-06-16 20:42:11,785 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091423064] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:42:11,785 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [893320052] [2021-06-16 20:42:11,785 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 64 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 64 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:42:11,852 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-16 20:42:11,852 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:42:11,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 96 conjunts are in the unsatisfiable core [2021-06-16 20:42:11,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:42:13,459 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-06-16 20:42:15,433 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-06-16 20:42:15,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,767 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:42:15,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,793 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:42:15,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 68 [2021-06-16 20:42:15,810 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:42:15,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,842 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:42:15,872 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:42:15,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 76 [2021-06-16 20:42:15,876 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:42:15,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,883 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:42:15,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,905 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:42:15,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 68 [2021-06-16 20:42:15,931 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:42:15,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:15,962 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:42:15,993 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:42:15,994 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 20:42:15,997 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:42:16,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,014 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:42:16,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,040 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:42:16,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 67 [2021-06-16 20:42:16,055 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:42:16,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,061 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:42:16,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 20:42:16,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 67 [2021-06-16 20:42:16,084 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 20:42:16,199 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2021-06-16 20:42:16,199 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.5 percent of original size [2021-06-16 20:42:16,203 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2021-06-16 20:42:16,203 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:721, output treesize:125 [2021-06-16 20:42:17,523 INFO L446 ElimStorePlain]: Different costs {0=[array_4], 1=[array_0]} [2021-06-16 20:42:17,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-06-16 20:42:17,526 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-16 20:42:17,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-06-16 20:42:17,529 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:42:17,556 INFO L628 ElimStorePlain]: treesize reduction 41, result has 43.1 percent of original size [2021-06-16 20:42:17,558 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:42:17,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-06-16 20:42:17,559 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:42:17,566 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 20:42:17,567 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 20:42:17,567 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:68, output treesize:11 [2021-06-16 20:42:17,665 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:42:17,665 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [893320052] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:42:17,665 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:42:17,665 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 65 [2021-06-16 20:42:17,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207803253] [2021-06-16 20:42:17,666 INFO L462 AbstractCegarLoop]: Interpolant automaton has 65 states [2021-06-16 20:42:17,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:42:17,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2021-06-16 20:42:17,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=3967, Unknown=0, NotChecked=0, Total=4160 [2021-06-16 20:42:17,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:42:17,666 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:42:17,666 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 65 states, 65 states have (on average 1.2461538461538462) internal successors, (81), 65 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:42:17,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:42:17,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:42:17,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:42:17,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:42:17,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:42:17,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:42:17,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:42:17,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:42:17,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:42:17,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:42:17,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:42:17,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:42:17,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:42:17,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:42:17,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:42:17,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:42:17,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:42:17,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:42:17,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:42:17,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:42:17,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:42:17,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:42:17,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:42:17,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:42:17,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:42:17,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:42:17,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:42:17,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:42:17,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:42:17,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:42:17,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:42:17,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:42:17,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:42:17,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:42:17,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:42:17,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:42:17,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:42:17,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:42:17,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:42:17,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:42:17,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:42:17,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:42:17,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-16 20:42:17,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-16 20:42:17,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-16 20:42:17,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-16 20:42:17,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:42:17,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:42:17,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-16 20:42:17,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-16 20:42:17,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-16 20:42:17,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:42:17,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-16 20:42:17,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:42:17,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:42:17,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:42:17,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-16 20:42:17,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:42:17,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-16 20:42:17,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:42:17,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:42:17,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:42:17,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:42:24,275 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2021-06-16 20:42:24,753 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2021-06-16 20:42:25,227 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 119 [2021-06-16 20:42:25,689 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2021-06-16 20:42:26,178 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2021-06-16 20:42:26,644 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2021-06-16 20:42:27,140 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2021-06-16 20:42:27,613 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2021-06-16 20:42:28,089 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2021-06-16 20:42:28,599 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 119 [2021-06-16 20:42:29,193 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2021-06-16 20:42:29,704 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 94 [2021-06-16 20:42:30,364 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 97 [2021-06-16 20:42:30,934 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2021-06-16 20:42:31,495 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2021-06-16 20:42:32,055 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2021-06-16 20:42:32,608 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2021-06-16 20:42:33,163 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2021-06-16 20:42:33,719 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2021-06-16 20:42:34,269 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2021-06-16 20:42:34,830 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2021-06-16 20:42:35,430 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2021-06-16 20:42:35,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:42:35,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:42:35,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:42:35,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:42:35,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:42:35,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:42:35,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:42:35,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:42:35,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:42:35,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:42:35,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:42:35,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:42:35,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:42:35,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:42:35,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:42:35,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:42:35,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:42:35,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:42:35,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:42:35,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:42:35,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:42:35,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:42:35,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:42:35,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:42:35,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:42:35,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:42:35,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:42:35,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:42:35,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:42:35,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:42:35,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:42:35,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:42:35,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:42:35,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:42:35,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:42:35,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:42:35,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:42:35,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:42:35,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:42:35,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:42:35,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:42:35,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:42:35,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-16 20:42:35,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-06-16 20:42:35,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-16 20:42:35,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-16 20:42:35,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:42:35,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:42:35,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-16 20:42:35,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-16 20:42:35,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-16 20:42:35,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:42:35,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-16 20:42:35,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:42:35,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:42:35,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:42:35,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-16 20:42:35,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:42:35,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-16 20:42:35,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:42:35,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:42:35,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:42:35,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-06-16 20:42:35,792 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1237,64 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:42:35,793 INFO L430 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 20:42:35,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:42:35,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1165184402, now seen corresponding path program 58 times [2021-06-16 20:42:35,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:42:35,794 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482963303] [2021-06-16 20:42:35,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:42:35,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:42:36,455 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 10 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:42:36,455 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:42:36,455 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482963303] [2021-06-16 20:42:36,455 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482963303] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:42:36,455 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [597228839] [2021-06-16 20:42:36,456 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 65 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 65 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:42:36,510 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-16 20:42:36,511 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 20:42:36,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 68 conjunts are in the unsatisfiable core [2021-06-16 20:42:36,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 20:42:36,971 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:42:36,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-16 20:42:36,972 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:42:36,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-16 20:42:36,975 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:42:36,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-16 20:42:36,978 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:42:36,980 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:42:36,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-16 20:42:36,981 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:42:36,983 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:42:36,983 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-16 20:42:36,985 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:42:36,986 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-16 20:42:37,013 INFO L628 ElimStorePlain]: treesize reduction 6, result has 84.2 percent of original size [2021-06-16 20:42:37,014 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-06-16 20:42:37,014 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-06-16 20:42:37,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-06-16 20:42:37,477 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 20:42:37,479 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:42:37,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-06-16 20:42:37,480 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 20:42:37,482 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 20:42:37,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-06-16 20:42:37,483 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-16 20:42:37,485 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-06-16 20:42:37,485 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-16 20:42:37,501 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-06-16 20:42:37,501 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-06-16 20:42:37,502 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-16 20:42:37,502 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-06-16 20:42:37,554 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 10 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:42:37,555 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [597228839] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 20:42:37,555 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 20:42:37,555 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 55 [2021-06-16 20:42:37,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177332213] [2021-06-16 20:42:37,555 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-06-16 20:42:37,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:42:37,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-06-16 20:42:37,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=2824, Unknown=0, NotChecked=0, Total=2970 [2021-06-16 20:42:37,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:42:37,556 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:42:37,556 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 55 states, 55 states have (on average 1.2181818181818183) internal successors, (67), 55 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 20:42:37,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 20:42:37,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:42:37,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:42:37,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:42:37,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 20:42:37,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:42:37,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:42:37,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:42:37,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-06-16 20:42:37,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 20:42:37,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:42:37,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 20:42:37,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:42:37,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:42:37,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:42:37,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 20:42:37,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 20:42:37,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 20:42:37,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:42:37,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:42:37,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:42:37,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:42:37,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:42:37,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 20:42:37,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:42:37,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 20:42:37,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-16 20:42:37,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:42:37,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:42:37,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-06-16 20:42:37,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-16 20:42:37,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:42:37,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-16 20:42:37,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-16 20:42:37,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 20:42:37,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-16 20:42:37,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:42:37,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:42:37,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:42:37,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:42:37,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-16 20:42:37,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:42:37,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-16 20:42:37,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2021-06-16 20:42:37,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-16 20:42:37,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-16 20:42:37,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-16 20:42:37,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-16 20:42:37,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-16 20:42:37,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-16 20:42:37,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-16 20:42:37,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 20:42:37,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-16 20:42:37,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-16 20:42:37,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:42:37,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:42:37,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-16 20:42:37,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:42:37,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-16 20:42:37,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 20:42:37,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-16 20:42:37,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 20:42:37,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-06-16 20:42:37,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:42:44,147 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 288 DAG size of output: 266 [2021-06-16 20:42:45,973 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 320 DAG size of output: 298 [2021-06-16 20:42:47,645 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 320 DAG size of output: 298 [2021-06-16 20:42:49,419 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-06-16 20:42:49,620 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1261,65 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 20:42:49,621 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:626) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:371) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:184) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:173) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:140) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:360) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:388) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:281) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:200) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:200) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:200) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.search(SleepSetNewStateReduction.java:159) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.(SleepSetNewStateReduction.java:111) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:147) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:194) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:509) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java: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 [2021-06-16 20:42:49,625 INFO L168 Benchmark]: Toolchain (without parser) took 449605.21 ms. Allocated memory was 181.4 MB in the beginning and 950.0 MB in the end (delta: 768.6 MB). Free memory was 160.9 MB in the beginning and 340.8 MB in the end (delta: -179.9 MB). Peak memory consumption was 589.6 MB. Max. memory is 8.0 GB. [2021-06-16 20:42:49,626 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 181.4 MB. Free memory is still 162.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-16 20:42:49,626 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.26 ms. Allocated memory is still 181.4 MB. Free memory was 160.8 MB in the beginning and 159.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-16 20:42:49,626 INFO L168 Benchmark]: Boogie Preprocessor took 11.71 ms. Allocated memory is still 181.4 MB. Free memory was 159.4 MB in the beginning and 158.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-16 20:42:49,626 INFO L168 Benchmark]: RCFGBuilder took 407.60 ms. Allocated memory is still 181.4 MB. Free memory was 158.2 MB in the beginning and 136.5 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-06-16 20:42:49,626 INFO L168 Benchmark]: TraceAbstraction took 449158.25 ms. Allocated memory was 181.4 MB in the beginning and 950.0 MB in the end (delta: 768.6 MB). Free memory was 136.0 MB in the beginning and 340.8 MB in the end (delta: -204.8 MB). Peak memory consumption was 564.4 MB. Max. memory is 8.0 GB. [2021-06-16 20:42:49,626 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 181.4 MB. Free memory is still 162.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 20.26 ms. Allocated memory is still 181.4 MB. Free memory was 160.8 MB in the beginning and 159.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 11.71 ms. Allocated memory is still 181.4 MB. Free memory was 159.4 MB in the beginning and 158.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 407.60 ms. Allocated memory is still 181.4 MB. Free memory was 158.2 MB in the beginning and 136.5 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 449158.25 ms. Allocated memory was 181.4 MB in the beginning and 950.0 MB in the end (delta: 768.6 MB). Free memory was 136.0 MB in the beginning and 340.8 MB in the end (delta: -204.8 MB). Peak memory consumption was 564.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...