/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.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-trans.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 01:29:18,016 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 01:29:18,018 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 01:29:18,049 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-10 01:29:18,049 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-10 01:29:18,052 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-10 01:29:18,053 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-10 01:29:18,058 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-10 01:29:18,059 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-10 01:29:18,063 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-10 01:29:18,064 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-10 01:29:18,065 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-10 01:29:18,065 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 01:29:18,066 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 01:29:18,068 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 01:29:18,068 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 01:29:18,071 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 01:29:18,071 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 01:29:18,073 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 01:29:18,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 01:29:18,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 01:29:18,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 01:29:18,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 01:29:18,082 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 01:29:18,087 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-10 01:29:18,087 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-10 01:29:18,087 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-10 01:29:18,088 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-10 01:29:18,088 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-10 01:29:18,089 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-10 01:29:18,089 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-10 01:29:18,090 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-10 01:29:18,091 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-10 01:29:18,092 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-10 01:29:18,093 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-10 01:29:18,093 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-10 01:29:18,094 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-10 01:29:18,094 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-10 01:29:18,094 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 01:29:18,103 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 01:29:18,103 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 01:29:18,106 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.epf [2021-07-10 01:29:18,134 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 01:29:18,134 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 01:29:18,135 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 01:29:18,135 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 01:29:18,137 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 01:29:18,137 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 01:29:18,137 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 01:29:18,137 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 01:29:18,137 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 01:29:18,137 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 01:29:18,138 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 01:29:18,138 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 01:29:18,138 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 01:29:18,138 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 01:29:18,138 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 01:29:18,139 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 01:29:18,139 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 01:29:18,139 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 01:29:18,139 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 01:29:18,139 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 01:29:18,139 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 01:29:18,139 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 01:29:18,139 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 01:29:18,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 01:29:18,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 01:29:18,140 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 01:29:18,140 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 01:29:18,140 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 01:29:18,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 01:29:18,140 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 01:29:18,140 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 01:29:18,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 01:29:18,140 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-10 01:29:18,140 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 01:29:18,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 01:29:18,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 01:29:18,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 01:29:18,529 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 01:29:18,530 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 01:29:18,531 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-trans.wvr.bpl [2021-07-10 01:29:18,531 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-trans.wvr.bpl' [2021-07-10 01:29:18,559 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 01:29:18,560 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 01:29:18,561 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 01:29:18,561 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 01:29:18,561 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 01:29:18,570 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 10.07 01:29:18" (1/1) ... [2021-07-10 01:29:18,579 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 10.07 01:29:18" (1/1) ... [2021-07-10 01:29:18,585 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 01:29:18,586 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 01:29:18,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 01:29:18,587 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 01:29:18,592 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 10.07 01:29:18" (1/1) ... [2021-07-10 01:29:18,592 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 10.07 01:29:18" (1/1) ... [2021-07-10 01:29:18,593 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 10.07 01:29:18" (1/1) ... [2021-07-10 01:29:18,593 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 10.07 01:29:18" (1/1) ... [2021-07-10 01:29:18,602 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 10.07 01:29:18" (1/1) ... [2021-07-10 01:29:18,604 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 10.07 01:29:18" (1/1) ... [2021-07-10 01:29:18,605 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 10.07 01:29:18" (1/1) ... [2021-07-10 01:29:18,606 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 01:29:18,606 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 01:29:18,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 01:29:18,606 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 01:29:18,607 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:29:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 01:29:18,654 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 01:29:18,654 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 01:29:18,654 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 01:29:18,654 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 01:29:18,654 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 01:29:18,654 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 01:29:18,654 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 01:29:18,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 01:29:18,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 01:29:18,655 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-10 01:29:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-10 01:29:18,655 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-10 01:29:18,655 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 01:29:18,968 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 01:29:18,969 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-07-10 01:29:18,969 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-10 01:29:18,969 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-10 01:29:18,970 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2021-07-10 01:29:18,971 INFO L202 PluginConnector]: Adding new model array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 01:29:18 BoogieIcfgContainer [2021-07-10 01:29:18,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 01:29:18,986 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 01:29:18,986 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 01:29:18,988 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 01:29:18,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:29:18" (1/2) ... [2021-07-10 01:29:18,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b415c2 and model type array-int-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 01:29:18, skipping insertion in model container [2021-07-10 01:29:18,989 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 10.07 01:29:18" (2/2) ... [2021-07-10 01:29:18,990 INFO L111 eAbstractionObserver]: Analyzing ICFG array-int-trans.wvr.bpl [2021-07-10 01:29:18,994 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 01:29:18,994 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 01:29:18,994 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 01:29:18,994 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 01:29:19,051 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-10 01:29:19,072 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 01:29:19,129 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 01:29:19,129 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 01:29:19,130 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 01:29:19,130 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 01:29:19,130 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 01:29:19,130 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 01:29:19,130 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 01:29:19,130 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 01:29:19,178 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:19,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:19,189 INFO L82 PathProgramCache]: Analyzing trace with hash -2040377020, now seen corresponding path program 1 times [2021-07-10 01:29:19,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:19,207 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352602241] [2021-07-10 01:29:19,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:19,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:19,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:19,387 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:19,387 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352602241] [2021-07-10 01:29:19,388 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352602241] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 01:29:19,388 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 01:29:19,388 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-10 01:29:19,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702644425] [2021-07-10 01:29:19,391 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-10 01:29:19,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:29:19,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-10 01:29:19,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-10 01:29:19,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:19,404 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:29:19,414 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:29:19,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:19,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:19,484 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 01:29:19,484 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:19,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:19,489 INFO L82 PathProgramCache]: Analyzing trace with hash 120010320, now seen corresponding path program 1 times [2021-07-10 01:29:19,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:19,489 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396275210] [2021-07-10 01:29:19,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:19,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:19,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:19,595 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:19,595 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396275210] [2021-07-10 01:29:19,595 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396275210] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:19,595 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1427704027] [2021-07-10 01:29:19,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:29:19,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:19,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-10 01:29:19,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:29:19,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:19,911 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1427704027] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:19,912 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:29:19,912 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-07-10 01:29:19,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814005196] [2021-07-10 01:29:19,913 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-10 01:29:19,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:29:19,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-10 01:29:19,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-10 01:29:19,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:19,914 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:29:19,914 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:29:19,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:19,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:20,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:20,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:20,295 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:29:20,296 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:20,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:20,296 INFO L82 PathProgramCache]: Analyzing trace with hash 1830373554, now seen corresponding path program 1 times [2021-07-10 01:29:20,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:20,296 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430222928] [2021-07-10 01:29:20,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:20,350 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:20,350 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:20,351 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430222928] [2021-07-10 01:29:20,351 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430222928] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:20,351 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [459243628] [2021-07-10 01:29:20,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:29:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:20,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-10 01:29:20,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:29:20,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:20,490 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [459243628] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:20,490 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:29:20,490 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-07-10 01:29:20,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415242645] [2021-07-10 01:29:20,491 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-10 01:29:20,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:29:20,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-10 01:29:20,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-07-10 01:29:20,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:20,492 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:29:20,492 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 9 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:29:20,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:20,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:20,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:20,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:20,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:20,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:20,832 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:29:20,832 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:20,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:20,833 INFO L82 PathProgramCache]: Analyzing trace with hash 523540434, now seen corresponding path program 1 times [2021-07-10 01:29:20,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:20,833 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374962363] [2021-07-10 01:29:20,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:20,876 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:20,877 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:20,877 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374962363] [2021-07-10 01:29:20,877 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374962363] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:20,877 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395024586] [2021-07-10 01:29:20,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:29:20,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:20,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-10 01:29:20,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:29:20,996 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:20,996 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [395024586] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:20,996 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:29:20,996 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-07-10 01:29:20,996 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86206753] [2021-07-10 01:29:20,997 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-10 01:29:20,997 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:29:20,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-10 01:29:20,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-07-10 01:29:20,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:20,997 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:29:20,998 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:29:20,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:20,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:20,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:20,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:21,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:21,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:21,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:21,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:21,295 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:29:21,295 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:21,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:21,296 INFO L82 PathProgramCache]: Analyzing trace with hash -2002927230, now seen corresponding path program 1 times [2021-07-10 01:29:21,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:21,296 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134372355] [2021-07-10 01:29:21,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:21,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:21,335 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:21,335 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:21,335 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134372355] [2021-07-10 01:29:21,336 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134372355] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:21,336 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1939794907] [2021-07-10 01:29:21,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:29:21,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:21,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-10 01:29:21,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:29:21,432 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:21,432 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1939794907] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:21,432 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:29:21,432 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-07-10 01:29:21,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486214078] [2021-07-10 01:29:21,433 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-10 01:29:21,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:29:21,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-10 01:29:21,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-07-10 01:29:21,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:21,434 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:29:21,434 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:29:21,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:21,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:21,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:21,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:21,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:21,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:21,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:21,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:21,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:21,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:21,719 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-07-10 01:29:21,719 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:21,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:21,720 INFO L82 PathProgramCache]: Analyzing trace with hash -1303650252, now seen corresponding path program 1 times [2021-07-10 01:29:21,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:21,720 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931846264] [2021-07-10 01:29:21,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:22,000 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:22,001 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:22,001 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931846264] [2021-07-10 01:29:22,001 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931846264] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:22,001 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2079669119] [2021-07-10 01:29:22,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:29:22,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:22,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 23 conjunts are in the unsatisfiable core [2021-07-10 01:29:22,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:29:22,238 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:22,239 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:22,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:29:22,243 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:22,246 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:22,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 01:29:22,247 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:22,276 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:29:22,280 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:22,280 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:22,281 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 25 treesize of output 19 [2021-07-10 01:29:22,282 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:22,285 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:22,285 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 27 treesize of output 21 [2021-07-10 01:29:22,287 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-07-10 01:29:22,318 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:29:22,327 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-07-10 01:29:22,328 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:123, output treesize:111 [2021-07-10 01:29:22,680 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 15=[array_0]} [2021-07-10 01:29:22,685 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:22,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-07-10 01:29:22,686 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:22,691 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:22,691 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 27 treesize of output 21 [2021-07-10 01:29:22,692 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:22,697 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:22,698 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 17 treesize of output 13 [2021-07-10 01:29:22,699 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:22,703 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:22,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:29:22,704 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:22,709 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:22,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-07-10 01:29:22,711 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2021-07-10 01:29:22,715 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:22,716 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 25 treesize of output 19 [2021-07-10 01:29:22,717 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:22,722 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:22,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-10 01:29:22,724 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:22,728 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:22,729 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 37 treesize of output 29 [2021-07-10 01:29:22,731 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2021-07-10 01:29:22,736 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:22,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2021-07-10 01:29:22,739 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 4 xjuncts. [2021-07-10 01:29:22,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-07-10 01:29:22,746 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2021-07-10 01:29:23,036 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 85 [2021-07-10 01:29:23,037 INFO L628 ElimStorePlain]: treesize reduction 148, result has 71.4 percent of original size [2021-07-10 01:29:23,043 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:23,043 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:23,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-10 01:29:23,044 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:23,049 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:23,049 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:23,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-10 01:29:23,051 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:23,059 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:29:23,064 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:23,064 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:23,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-07-10 01:29:23,065 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:23,070 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:23,070 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:23,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-07-10 01:29:23,071 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:23,076 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:23,076 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:23,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-07-10 01:29:23,077 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:23,082 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:23,082 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:23,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 19 [2021-07-10 01:29:23,083 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:23,096 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:29:23,100 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:23,101 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:23,101 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 12 treesize of output 5 [2021-07-10 01:29:23,102 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:23,106 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:23,106 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:23,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-07-10 01:29:23,107 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:23,115 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:29:23,120 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:23,120 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:23,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-10 01:29:23,121 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:23,125 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:23,126 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:23,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-10 01:29:23,127 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:23,135 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:29:23,139 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:23,139 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 20 treesize of output 9 [2021-07-10 01:29:23,140 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:23,247 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-07-10 01:29:23,247 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:29:23,254 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-07-10 01:29:23,254 INFO L247 ElimStorePlain]: Needed 22 recursive calls to eliminate 7 variables, input treesize:419, output treesize:179 [2021-07-10 01:29:23,407 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2021-07-10 01:29:23,499 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:23,500 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2079669119] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:23,500 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:29:23,500 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 16 [2021-07-10 01:29:23,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488794050] [2021-07-10 01:29:23,500 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-10 01:29:23,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:29:23,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-10 01:29:23,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2021-07-10 01:29:23,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:23,501 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:29:23,501 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.8125) internal successors, (29), 16 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:29:23,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:23,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:23,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:23,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:23,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:23,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:24,056 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 87 [2021-07-10 01:29:24,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:24,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:24,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:24,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:24,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:24,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:29:24,281 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:29:24,281 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:24,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:24,282 INFO L82 PathProgramCache]: Analyzing trace with hash 1712414180, now seen corresponding path program 2 times [2021-07-10 01:29:24,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:24,282 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327654937] [2021-07-10 01:29:24,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:24,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:24,559 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:24,559 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:24,559 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327654937] [2021-07-10 01:29:24,559 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327654937] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:24,559 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550475118] [2021-07-10 01:29:24,559 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:29:24,594 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 01:29:24,594 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:29:24,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-10 01:29:24,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:29:24,795 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:24,795 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:24,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:29:24,797 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:24,800 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:24,800 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:24,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:29:24,801 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:24,804 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:24,805 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:24,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:29:24,806 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:24,809 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:24,809 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:24,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-10 01:29:24,810 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:24,813 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:24,814 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:24,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-07-10 01:29:24,815 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:24,818 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:24,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:29:24,819 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:24,922 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2021-07-10 01:29:24,922 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.5 percent of original size [2021-07-10 01:29:24,928 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2021-07-10 01:29:24,928 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:193, output treesize:125 [2021-07-10 01:29:25,152 INFO L446 ElimStorePlain]: Different costs {0=[array_4], 1=[array_0]} [2021-07-10 01:29:25,154 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 27 treesize of output 21 [2021-07-10 01:29:25,155 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-10 01:29:25,157 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 25 treesize of output 19 [2021-07-10 01:29:25,158 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:25,177 INFO L628 ElimStorePlain]: treesize reduction 41, result has 43.1 percent of original size [2021-07-10 01:29:25,179 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:25,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-10 01:29:25,180 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:25,186 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:29:25,187 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:29:25,187 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:68, output treesize:11 [2021-07-10 01:29:25,214 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:25,215 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1550475118] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:25,215 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:29:25,215 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2021-07-10 01:29:25,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829678239] [2021-07-10 01:29:25,215 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-10 01:29:25,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:29:25,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-10 01:29:25,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2021-07-10 01:29:25,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:25,216 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:29:25,216 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 17 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:29:25,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:25,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:25,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:25,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:25,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:25,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:29:25,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:25,745 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 72 [2021-07-10 01:29:26,045 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 79 [2021-07-10 01:29:26,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:26,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:26,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:26,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:26,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:26,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:29:26,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:26,394 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:29:26,394 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:26,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:26,395 INFO L82 PathProgramCache]: Analyzing trace with hash -2092183534, now seen corresponding path program 3 times [2021-07-10 01:29:26,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:26,395 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528205309] [2021-07-10 01:29:26,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:26,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:26,480 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:26,480 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:26,480 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528205309] [2021-07-10 01:29:26,480 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528205309] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:26,480 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1250444232] [2021-07-10 01:29:26,480 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:29:26,512 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-07-10 01:29:26,512 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:29:26,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-10 01:29:26,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:29:26,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-10 01:29:26,578 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:26,581 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:26,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 01:29:26,582 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:26,584 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:29:26,584 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:26,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 01:29:26,587 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:26,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 01:29:26,590 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:26,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:29:26,592 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:26,616 INFO L628 ElimStorePlain]: treesize reduction 14, result has 69.6 percent of original size [2021-07-10 01:29:26,617 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-10 01:29:26,617 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-07-10 01:29:26,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:26,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:29:26,668 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:26,670 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 8 treesize of output 6 [2021-07-10 01:29:26,671 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:26,673 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:26,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 01:29:26,674 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:26,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 01:29:26,677 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:26,690 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-07-10 01:29:26,691 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-10 01:29:26,691 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:29:26,691 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-10 01:29:26,711 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:26,711 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1250444232] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:26,711 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:29:26,711 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 15 [2021-07-10 01:29:26,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837002160] [2021-07-10 01:29:26,712 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-10 01:29:26,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:29:26,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-10 01:29:26,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-07-10 01:29:26,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:26,713 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:29:26,713 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) [2021-07-10 01:29:26,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:26,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:26,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:26,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:26,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:26,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 01:29:26,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:26,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:27,546 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 115 [2021-07-10 01:29:27,816 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 118 [2021-07-10 01:29:27,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:27,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:27,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:27,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:27,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:27,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:27,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:27,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:29:28,053 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:29:28,054 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:28,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:28,054 INFO L82 PathProgramCache]: Analyzing trace with hash -1100900414, now seen corresponding path program 4 times [2021-07-10 01:29:28,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:28,055 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268421655] [2021-07-10 01:29:28,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:28,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:28,219 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:28,219 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:28,219 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268421655] [2021-07-10 01:29:28,219 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268421655] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:28,219 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1532330195] [2021-07-10 01:29:28,219 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:29:28,276 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 01:29:28,276 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:29:28,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 23 conjunts are in the unsatisfiable core [2021-07-10 01:29:28,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:29:28,479 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:28,480 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:28,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-07-10 01:29:28,481 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-10 01:29:28,485 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:28,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-10 01:29:28,486 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:28,538 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:29:28,543 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:28,543 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:28,543 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 15 treesize of output 11 [2021-07-10 01:29:28,544 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:28,548 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:28,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-10 01:29:28,549 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:28,599 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:29:28,603 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:28,603 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:28,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:29:28,604 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:28,607 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:28,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 01:29:28,608 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:28,652 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:29:28,660 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 6 dim-0 vars, and 6 xjuncts. [2021-07-10 01:29:28,660 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:172, output treesize:146 [2021-07-10 01:29:28,984 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 21=[array_0]} [2021-07-10 01:29:28,989 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:28,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-07-10 01:29:28,990 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:28,994 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:28,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:29:28,995 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:28,999 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:29,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-10 01:29:29,001 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:29,006 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:29,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:29:29,007 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:29,011 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:29,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-07-10 01:29:29,013 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:29,016 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:29,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-07-10 01:29:29,018 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:29,022 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:29,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:29:29,023 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:29,026 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:29,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-10 01:29:29,028 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:29,032 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:29,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-07-10 01:29:29,033 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:29,037 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:29,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:29:29,038 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:29,042 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:29,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-07-10 01:29:29,043 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:29,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-07-10 01:29:29,048 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:29,179 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2021-07-10 01:29:29,179 INFO L628 ElimStorePlain]: treesize reduction 122, result has 52.0 percent of original size [2021-07-10 01:29:29,183 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:29,184 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:29,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-07-10 01:29:29,185 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:29,188 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:29,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-07-10 01:29:29,189 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:29,238 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:29:29,242 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-07-10 01:29:29,242 INFO L247 ElimStorePlain]: Needed 15 recursive calls to eliminate 8 variables, input treesize:405, output treesize:58 [2021-07-10 01:29:29,329 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:29,329 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1532330195] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:29,329 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:29:29,330 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2021-07-10 01:29:29,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906669283] [2021-07-10 01:29:29,330 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-10 01:29:29,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:29:29,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-10 01:29:29,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2021-07-10 01:29:29,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:29,331 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:29:29,331 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.7222222222222223) internal successors, (31), 18 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:29:29,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:29,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:29,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:29,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:29,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:29,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:29,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:29,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:29:29,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:29,748 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-07-10 01:29:29,975 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 91 [2021-07-10 01:29:30,254 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 98 [2021-07-10 01:29:30,490 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 103 [2021-07-10 01:29:30,648 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 96 [2021-07-10 01:29:30,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:30,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:30,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:30,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:30,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:30,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:30,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:30,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:29:30,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:30,992 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:29:30,992 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:30,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:30,993 INFO L82 PathProgramCache]: Analyzing trace with hash -292563996, now seen corresponding path program 1 times [2021-07-10 01:29:30,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:30,993 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372339194] [2021-07-10 01:29:30,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:31,039 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 01:29:31,039 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:31,039 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372339194] [2021-07-10 01:29:31,039 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372339194] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:31,040 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [119591895] [2021-07-10 01:29:31,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:29:31,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:31,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-10 01:29:31,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:29:31,190 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 01:29:31,190 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [119591895] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:31,190 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:29:31,190 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-07-10 01:29:31,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349387783] [2021-07-10 01:29:31,191 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-10 01:29:31,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:29:31,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-10 01:29:31,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-10 01:29:31,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:31,191 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:29:31,191 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:29:31,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:31,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:31,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:31,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:31,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:31,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:31,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:31,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:29:31,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:31,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:31,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:31,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:31,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:31,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:31,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:31,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:31,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:31,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:29:31,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:31,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:31,521 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:29:31,522 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:31,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:31,523 INFO L82 PathProgramCache]: Analyzing trace with hash -1337170202, now seen corresponding path program 5 times [2021-07-10 01:29:31,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:31,523 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681678980] [2021-07-10 01:29:31,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:31,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:31,666 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:31,667 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:31,667 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681678980] [2021-07-10 01:29:31,667 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681678980] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:31,667 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1890111224] [2021-07-10 01:29:31,667 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:29:31,698 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 01:29:31,699 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:29:31,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 24 conjunts are in the unsatisfiable core [2021-07-10 01:29:31,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:29:31,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 01:29:31,779 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:31,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:29:31,781 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:31,788 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:29:31,788 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:29:31,788 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:39, output treesize:25 [2021-07-10 01:29:31,838 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:31,838 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 27 treesize of output 21 [2021-07-10 01:29:31,840 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-10 01:29:31,842 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:31,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:29:31,844 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:31,847 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:29:31,848 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:31,850 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 25 treesize of output 19 [2021-07-10 01:29:31,851 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:31,891 INFO L628 ElimStorePlain]: treesize reduction 32, result has 65.2 percent of original size [2021-07-10 01:29:31,894 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:31,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-10 01:29:31,895 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:31,897 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 11 treesize of output 3 [2021-07-10 01:29:31,898 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:31,904 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:29:31,922 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:29:31,923 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:29:31,923 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:125, output treesize:38 [2021-07-10 01:29:31,988 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:31,988 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1890111224] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:31,988 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:29:31,988 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 15 [2021-07-10 01:29:31,988 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088592955] [2021-07-10 01:29:31,988 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-10 01:29:31,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:29:31,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-10 01:29:31,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-07-10 01:29:31,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:31,989 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:29:31,989 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 15 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:29:31,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:31,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:31,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:31,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:31,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:31,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:31,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:31,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:29:31,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:31,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:31,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:32,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:32,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:32,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:32,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:32,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:32,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:32,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:32,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:29:32,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:32,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:32,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:32,484 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable108 [2021-07-10 01:29:32,485 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:32,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:32,485 INFO L82 PathProgramCache]: Analyzing trace with hash 673295730, now seen corresponding path program 6 times [2021-07-10 01:29:32,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:32,485 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251161644] [2021-07-10 01:29:32,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:32,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:32,586 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:32,586 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:32,586 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251161644] [2021-07-10 01:29:32,586 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251161644] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:32,586 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1336673216] [2021-07-10 01:29:32,587 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:29:32,617 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2021-07-10 01:29:32,617 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:29:32,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-10 01:29:32,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:29:32,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:29:32,682 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:32,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:29:32,685 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:32,698 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:29:32,698 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:29:32,698 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-10 01:29:32,760 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:32,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:29:32,762 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:32,764 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 [2021-07-10 01:29:32,766 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:32,779 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 01:29:32,779 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-10 01:29:32,779 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:29:32,779 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 01:29:32,806 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:32,807 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1336673216] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:32,807 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:29:32,807 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 14 [2021-07-10 01:29:32,807 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397534784] [2021-07-10 01:29:32,807 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-10 01:29:32,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:29:32,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-10 01:29:32,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-07-10 01:29:32,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:32,807 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:29:32,808 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.8571428571428572) internal successors, (26), 14 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:29:32,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:32,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:32,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:32,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:32,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:32,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:32,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:32,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:29:32,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:32,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:32,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:32,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:33,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:33,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:33,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:33,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:33,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:33,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:33,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:33,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:29:33,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:33,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:33,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:33,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:33,235 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable117 [2021-07-10 01:29:33,236 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:33,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:33,236 INFO L82 PathProgramCache]: Analyzing trace with hash 54882884, now seen corresponding path program 7 times [2021-07-10 01:29:33,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:33,236 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997238345] [2021-07-10 01:29:33,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:33,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:33,919 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:33,919 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:33,919 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997238345] [2021-07-10 01:29:33,919 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997238345] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:33,919 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1171206864] [2021-07-10 01:29:33,920 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:29:33,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:33,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 36 conjunts are in the unsatisfiable core [2021-07-10 01:29:33,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:29:34,437 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 95 [2021-07-10 01:29:34,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:34,549 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:34,549 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:34,550 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:34,551 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:34,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-07-10 01:29:34,553 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:34,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:34,558 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:34,558 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:34,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 23 [2021-07-10 01:29:34,559 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:34,805 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2021-07-10 01:29:34,806 INFO L628 ElimStorePlain]: treesize reduction 36, result has 85.9 percent of original size [2021-07-10 01:29:34,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:34,810 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:34,810 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:34,811 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:34,812 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:34,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-07-10 01:29:34,813 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:34,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:34,817 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:34,817 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:34,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 33 [2021-07-10 01:29:34,818 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:34,891 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:29:34,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:34,895 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:34,895 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:34,896 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:34,897 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:34,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-07-10 01:29:34,898 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:34,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:34,902 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:34,903 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:34,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 23 [2021-07-10 01:29:34,904 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:34,961 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:29:34,966 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 5 dim-0 vars, and 5 xjuncts. [2021-07-10 01:29:34,966 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:288, output treesize:172 [2021-07-10 01:29:35,429 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_31, array_4, v_prenex_29], 3=[array_0, v_prenex_30, v_prenex_28]} [2021-07-10 01:29:35,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-07-10 01:29:35,435 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:35,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-07-10 01:29:35,438 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:35,506 INFO L628 ElimStorePlain]: treesize reduction 40, result has 78.4 percent of original size [2021-07-10 01:29:35,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2021-07-10 01:29:35,511 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-07-10 01:29:35,543 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:29:35,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2021-07-10 01:29:35,548 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:35,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-07-10 01:29:35,552 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:35,578 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:29:35,580 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:35,581 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:35,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-10 01:29:35,582 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:35,588 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:35,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-10 01:29:35,588 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:35,594 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:29:35,619 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:29:35,622 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:35,622 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:35,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-07-10 01:29:35,623 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:35,625 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:35,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-10 01:29:35,626 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:35,650 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:29:35,652 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:35,652 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:35,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-07-10 01:29:35,653 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:35,655 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:35,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-07-10 01:29:35,656 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:35,679 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:29:35,681 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 6 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-07-10 01:29:35,681 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 9 variables, input treesize:217, output treesize:31 [2021-07-10 01:29:35,735 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:35,735 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1171206864] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:35,735 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:29:35,735 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 23 [2021-07-10 01:29:35,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492145806] [2021-07-10 01:29:35,736 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-10 01:29:35,736 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:29:35,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-10 01:29:35,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=457, Unknown=0, NotChecked=0, Total=506 [2021-07-10 01:29:35,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:35,738 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:29:35,738 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:29:35,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:35,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:35,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:35,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:35,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:35,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:35,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:35,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:29:35,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:35,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:35,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:35,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:35,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:36,442 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 85 [2021-07-10 01:29:36,702 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 107 [2021-07-10 01:29:36,916 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 104 [2021-07-10 01:29:37,259 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 109 [2021-07-10 01:29:37,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:37,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:37,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:37,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:37,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:37,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:37,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:37,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:29:37,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:37,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:37,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:37,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:37,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:37,494 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable120 [2021-07-10 01:29:37,494 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:37,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:37,495 INFO L82 PathProgramCache]: Analyzing trace with hash -622639664, now seen corresponding path program 8 times [2021-07-10 01:29:37,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:37,495 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127810708] [2021-07-10 01:29:37,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:37,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:37,676 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:37,676 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:37,676 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127810708] [2021-07-10 01:29:37,676 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127810708] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:37,677 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1118433926] [2021-07-10 01:29:37,677 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:29:37,709 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 01:29:37,710 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:29:37,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 32 conjunts are in the unsatisfiable core [2021-07-10 01:29:37,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:29:38,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:38,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:38,054 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:38,056 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:38,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 27 [2021-07-10 01:29:38,057 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:38,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:38,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:38,062 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:38,063 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:38,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2021-07-10 01:29:38,064 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:38,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:38,068 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:38,069 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:38,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2021-07-10 01:29:38,070 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:38,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:38,074 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:38,075 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:38,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2021-07-10 01:29:38,076 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:38,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:38,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:38,080 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:38,082 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:38,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2021-07-10 01:29:38,083 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:38,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:38,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:38,087 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:38,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-07-10 01:29:38,088 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:38,214 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2021-07-10 01:29:38,215 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.8 percent of original size [2021-07-10 01:29:38,220 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2021-07-10 01:29:38,220 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:289, output treesize:153 [2021-07-10 01:29:38,486 INFO L446 ElimStorePlain]: Different costs {0=[array_4, v_prenex_37], 1=[array_0, v_prenex_36]} [2021-07-10 01:29:38,490 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 17 treesize of output 13 [2021-07-10 01:29:38,490 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:38,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:29:38,494 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:38,529 INFO L628 ElimStorePlain]: treesize reduction 67, result has 39.6 percent of original size [2021-07-10 01:29:38,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-07-10 01:29:38,532 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-07-10 01:29:38,549 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:29:38,550 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-07-10 01:29:38,552 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:38,553 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:38,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-10 01:29:38,553 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:38,556 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:38,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-10 01:29:38,557 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:38,564 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:29:38,579 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:29:38,581 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 01:29:38,581 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:125, output treesize:18 [2021-07-10 01:29:38,611 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:38,612 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1118433926] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:38,612 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:29:38,612 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-07-10 01:29:38,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673916942] [2021-07-10 01:29:38,612 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-10 01:29:38,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:29:38,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-10 01:29:38,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2021-07-10 01:29:38,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:38,613 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:29:38,613 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.608695652173913) internal successors, (37), 23 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:29:38,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:38,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:38,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:38,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:38,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:38,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:38,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:38,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:29:38,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:38,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:38,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:38,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:38,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:38,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:39,956 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2021-07-10 01:29:40,096 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2021-07-10 01:29:40,297 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2021-07-10 01:29:40,464 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 68 [2021-07-10 01:29:40,660 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2021-07-10 01:29:40,836 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2021-07-10 01:29:41,005 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2021-07-10 01:29:41,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:41,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:41,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:41,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:41,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:41,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:41,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:41,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:29:41,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:41,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:41,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:41,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:41,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:41,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:29:41,243 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:29:41,243 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:41,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:41,244 INFO L82 PathProgramCache]: Analyzing trace with hash -1464408666, now seen corresponding path program 9 times [2021-07-10 01:29:41,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:41,244 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670383766] [2021-07-10 01:29:41,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:41,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:41,378 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:41,379 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:41,379 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670383766] [2021-07-10 01:29:41,379 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670383766] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:41,379 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [59590751] [2021-07-10 01:29:41,379 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:29:41,419 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-10 01:29:41,419 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:29:41,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-10 01:29:41,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:29:41,502 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:41,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 01:29:41,503 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:41,505 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 7 treesize of output 5 [2021-07-10 01:29:41,506 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:41,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 01:29:41,509 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:41,510 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:41,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:29:41,511 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:41,513 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:29:41,514 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:41,515 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:29:41,516 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:41,537 INFO L628 ElimStorePlain]: treesize reduction 6, result has 84.2 percent of original size [2021-07-10 01:29:41,538 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-10 01:29:41,538 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-07-10 01:29:41,614 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:41,614 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 [2021-07-10 01:29:41,615 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:41,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-10 01:29:41,617 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:41,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 01:29:41,620 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:41,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 01:29:41,622 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:41,636 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-07-10 01:29:41,636 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-10 01:29:41,637 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:29:41,637 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-10 01:29:41,661 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:41,661 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [59590751] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:41,661 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:29:41,661 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 20 [2021-07-10 01:29:41,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467093940] [2021-07-10 01:29:41,661 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-10 01:29:41,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:29:41,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-10 01:29:41,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-07-10 01:29:41,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:41,662 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:29:41,662 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) [2021-07-10 01:29:41,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:41,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:41,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:41,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:41,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:41,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:41,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:41,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:29:41,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:41,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:41,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:41,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:41,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:41,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:29:41,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:42,803 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 115 [2021-07-10 01:29:43,078 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 123 [2021-07-10 01:29:43,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:43,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:43,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:43,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:43,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:43,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:43,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:43,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:29:43,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:43,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:43,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:43,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:43,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:29:43,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:29:43,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:29:43,330 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:29:43,331 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:43,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:43,331 INFO L82 PathProgramCache]: Analyzing trace with hash -1936046158, now seen corresponding path program 10 times [2021-07-10 01:29:43,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:43,331 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383105501] [2021-07-10 01:29:43,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:43,599 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:43,599 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:43,600 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383105501] [2021-07-10 01:29:43,600 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383105501] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:43,600 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1488157802] [2021-07-10 01:29:43,600 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:29:43,651 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 01:29:43,652 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:29:43,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-10 01:29:43,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:29:43,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:43,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:43,898 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:43,899 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:43,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-07-10 01:29:43,900 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:43,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:43,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:43,905 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:43,906 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:43,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2021-07-10 01:29:43,909 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-10 01:29:43,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:43,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:43,913 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:43,915 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:43,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2021-07-10 01:29:43,916 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:43,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:43,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:43,920 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:43,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2021-07-10 01:29:43,921 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:43,958 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:29:43,964 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. [2021-07-10 01:29:43,964 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:181, output treesize:125 [2021-07-10 01:29:44,410 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 21=[array_0]} [2021-07-10 01:29:44,415 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:44,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:29:44,416 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:44,420 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:44,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-07-10 01:29:44,421 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:44,424 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:44,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:29:44,425 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:44,429 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:44,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-10 01:29:44,430 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:44,434 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:44,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-07-10 01:29:44,435 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:44,439 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:44,439 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 16 treesize of output 12 [2021-07-10 01:29:44,440 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:44,443 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:44,444 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 15 treesize of output 11 [2021-07-10 01:29:44,445 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:44,448 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:44,448 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 19 treesize of output 15 [2021-07-10 01:29:44,449 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:44,453 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:44,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 01:29:44,454 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:44,458 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:44,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-07-10 01:29:44,459 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:44,462 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:44,463 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 18 treesize of output 14 [2021-07-10 01:29:44,464 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:44,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-07-10 01:29:44,468 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:44,613 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 52 [2021-07-10 01:29:44,614 INFO L628 ElimStorePlain]: treesize reduction 95, result has 62.3 percent of original size [2021-07-10 01:29:44,618 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:44,618 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:44,619 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 9 treesize of output 3 [2021-07-10 01:29:44,619 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:44,623 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:44,623 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:44,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-07-10 01:29:44,625 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:44,628 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:44,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-07-10 01:29:44,629 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:44,687 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:29:44,691 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-07-10 01:29:44,691 INFO L247 ElimStorePlain]: Needed 16 recursive calls to eliminate 8 variables, input treesize:395, output treesize:76 [2021-07-10 01:29:44,794 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:44,794 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1488157802] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:44,794 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:29:44,794 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 23 [2021-07-10 01:29:44,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236039886] [2021-07-10 01:29:44,794 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-10 01:29:44,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:29:44,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-10 01:29:44,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=454, Unknown=0, NotChecked=0, Total=506 [2021-07-10 01:29:44,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:44,795 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:29:44,795 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.565217391304348) internal successors, (36), 23 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:29:44,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:44,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:44,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:44,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:44,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:44,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:44,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:44,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:29:44,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:44,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:44,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:44,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:44,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:29:44,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:29:44,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:29:44,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:45,548 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 101 [2021-07-10 01:29:45,685 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 94 [2021-07-10 01:29:45,944 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 118 [2021-07-10 01:29:46,163 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 119 [2021-07-10 01:29:46,429 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 116 [2021-07-10 01:29:46,697 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 128 [2021-07-10 01:29:46,924 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 95 [2021-07-10 01:29:47,067 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 90 [2021-07-10 01:29:47,263 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 114 [2021-07-10 01:29:47,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:47,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:47,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:47,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:29:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:29:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:29:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:29:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:29:47,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:29:47,806 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable189 [2021-07-10 01:29:47,806 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:47,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:47,806 INFO L82 PathProgramCache]: Analyzing trace with hash -2140018864, now seen corresponding path program 11 times [2021-07-10 01:29:47,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:47,806 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124999570] [2021-07-10 01:29:47,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:47,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:47,916 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:47,916 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:47,916 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124999570] [2021-07-10 01:29:47,916 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124999570] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:47,917 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986705471] [2021-07-10 01:29:47,917 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:29:47,969 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 01:29:47,969 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:29:47,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-10 01:29:47,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:29:48,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:29:48,014 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:48,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:29:48,016 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:48,035 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:29:48,035 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:29:48,035 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:51, output treesize:37 [2021-07-10 01:29:48,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 01:29:48,091 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:48,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-10 01:29:48,095 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:48,097 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:48,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:29:48,098 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:48,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 01:29:48,100 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:48,113 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-07-10 01:29:48,114 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-10 01:29:48,114 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:29:48,114 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-10 01:29:48,141 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:48,141 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1986705471] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:48,141 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:29:48,141 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 14 [2021-07-10 01:29:48,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551976076] [2021-07-10 01:29:48,141 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-10 01:29:48,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:29:48,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-10 01:29:48,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-07-10 01:29:48,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:48,142 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:29:48,142 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.8571428571428572) internal successors, (26), 14 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:29:48,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:48,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:48,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:48,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:48,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:48,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:48,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:48,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:29:48,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:48,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:48,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:29:48,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:48,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:29:48,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:29:48,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:29:48,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:29:48,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:48,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:48,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:48,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:48,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:48,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:48,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:48,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:48,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:29:48,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:48,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:48,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:29:48,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:48,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:29:48,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:29:48,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:29:48,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:29:48,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:29:48,877 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable217 [2021-07-10 01:29:48,877 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:48,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:48,878 INFO L82 PathProgramCache]: Analyzing trace with hash -2105534894, now seen corresponding path program 12 times [2021-07-10 01:29:48,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:48,878 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833267745] [2021-07-10 01:29:48,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:48,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:49,099 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:49,100 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:49,100 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833267745] [2021-07-10 01:29:49,100 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833267745] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:49,100 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1212894896] [2021-07-10 01:29:49,100 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:29:49,169 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-07-10 01:29:49,169 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:29:49,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-10 01:29:49,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:29:49,307 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:49,307 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:49,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:29:49,308 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:49,311 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:49,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 01:29:49,312 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:49,325 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:29:49,327 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-07-10 01:29:49,327 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:51, output treesize:37 [2021-07-10 01:29:49,553 INFO L446 ElimStorePlain]: Different costs {3=[array_4], 6=[array_0]} [2021-07-10 01:29:49,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:49,558 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:49,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-07-10 01:29:49,560 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:49,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:49,564 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:49,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2021-07-10 01:29:49,566 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-10 01:29:49,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:49,570 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:49,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2021-07-10 01:29:49,572 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:49,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:49,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2021-07-10 01:29:49,577 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:49,652 INFO L628 ElimStorePlain]: treesize reduction 38, result has 72.7 percent of original size [2021-07-10 01:29:49,655 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:49,656 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:49,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-10 01:29:49,656 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:49,659 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:49,659 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:49,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-10 01:29:49,660 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:49,667 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:29:49,669 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:49,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-07-10 01:29:49,670 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:49,700 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:29:49,702 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 01:29:49,702 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:193, output treesize:55 [2021-07-10 01:29:49,786 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:49,786 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1212894896] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:49,787 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:29:49,787 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 22 [2021-07-10 01:29:49,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146879043] [2021-07-10 01:29:49,787 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-10 01:29:49,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:29:49,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-10 01:29:49,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=407, Unknown=0, NotChecked=0, Total=462 [2021-07-10 01:29:49,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:49,788 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:29:49,788 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.6363636363636365) internal successors, (36), 22 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:29:49,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:49,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:49,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:49,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:49,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:49,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:49,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:49,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:29:49,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:49,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:49,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:29:49,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:49,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:29:49,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:29:49,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:29:49,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:29:49,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:29:49,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:50,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:50,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:50,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:50,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:50,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:50,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:50,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:50,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:29:50,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:50,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:50,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:29:50,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:50,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:29:50,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:29:50,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:29:50,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:29:50,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:29:50,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:50,485 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable223 [2021-07-10 01:29:50,485 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:50,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:50,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1123885954, now seen corresponding path program 13 times [2021-07-10 01:29:50,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:50,486 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174344937] [2021-07-10 01:29:50,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:50,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:50,629 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:50,630 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:50,630 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174344937] [2021-07-10 01:29:50,630 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174344937] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:50,630 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1798424510] [2021-07-10 01:29:50,630 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:29:50,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:50,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-10 01:29:50,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:29:50,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:29:50,787 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:50,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:29:50,789 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:50,800 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:29:50,800 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:29:50,800 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-10 01:29:50,885 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:50,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:29:50,886 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:50,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:29:50,889 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:50,901 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 01:29:50,901 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-10 01:29:50,901 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:29:50,901 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 01:29:50,919 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:50,919 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1798424510] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:50,920 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:29:50,920 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 20 [2021-07-10 01:29:50,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385212434] [2021-07-10 01:29:50,921 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-10 01:29:50,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:29:50,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-10 01:29:50,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-07-10 01:29:50,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:50,922 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:29:50,922 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.75) internal successors, (35), 20 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:29:50,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:50,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:50,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:50,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:50,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:50,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:50,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:50,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:29:50,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:50,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:50,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:29:50,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:50,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:29:50,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:29:50,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:29:50,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:29:50,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:29:50,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:50,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:51,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:51,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:51,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:51,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:51,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:51,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:51,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:51,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:29:51,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:51,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:51,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:29:51,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:51,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:29:51,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:29:51,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:29:51,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:29:51,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:29:51,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:51,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:29:51,599 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable239 [2021-07-10 01:29:51,599 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:51,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:51,599 INFO L82 PathProgramCache]: Analyzing trace with hash 1138277940, now seen corresponding path program 14 times [2021-07-10 01:29:51,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:51,600 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848801221] [2021-07-10 01:29:51,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:51,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:52,226 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:52,227 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:52,227 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848801221] [2021-07-10 01:29:52,227 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848801221] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:52,227 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896312124] [2021-07-10 01:29:52,227 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:29:52,324 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 01:29:52,324 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:29:52,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 58 conjunts are in the unsatisfiable core [2021-07-10 01:29:52,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:29:52,944 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:52,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,947 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:52,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,948 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:52,948 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:52,951 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:52,953 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:52,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 47 [2021-07-10 01:29:52,954 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:52,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,959 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:52,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,963 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:52,963 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:52,964 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:52,967 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:52,967 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:52,968 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 69 treesize of output 47 [2021-07-10 01:29:52,969 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:52,973 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:52,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:52,976 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:52,977 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:52,977 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:52,981 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:52,981 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:52,983 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 79 treesize of output 55 [2021-07-10 01:29:52,997 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:53,001 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:53,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:53,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:53,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:53,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:53,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:53,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:29:53,010 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:53,011 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:53,011 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 59 treesize of output 39 [2021-07-10 01:29:53,012 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:53,096 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:29:53,108 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. [2021-07-10 01:29:53,108 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:379, output treesize:347 [2021-07-10 01:29:53,572 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 109 [2021-07-10 01:29:53,865 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2021-07-10 01:29:54,440 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 181 [2021-07-10 01:29:55,103 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 181 [2021-07-10 01:29:55,321 INFO L446 ElimStorePlain]: Different costs {3=[array_4], 378=[array_0]} [2021-07-10 01:29:55,328 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:55,331 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 53 treesize of output 41 [2021-07-10 01:29:55,333 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-07-10 01:29:55,340 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:55,342 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 73 treesize of output 57 [2021-07-10 01:29:55,344 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-10 01:29:55,353 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:55,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 33 [2021-07-10 01:29:55,356 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:55,365 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:55,367 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 45 treesize of output 35 [2021-07-10 01:29:55,369 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:55,377 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:55,379 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 43 treesize of output 33 [2021-07-10 01:29:55,380 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:55,388 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:55,391 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 55 treesize of output 43 [2021-07-10 01:29:55,393 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2021-07-10 01:29:55,402 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:55,407 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 43 treesize of output 33 [2021-07-10 01:29:55,408 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:55,417 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:55,420 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 45 treesize of output 35 [2021-07-10 01:29:55,421 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:55,431 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:55,433 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 33 treesize of output 25 [2021-07-10 01:29:55,435 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:55,444 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:55,447 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 43 treesize of output 33 [2021-07-10 01:29:55,449 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:55,457 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:55,460 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 55 treesize of output 43 [2021-07-10 01:29:55,462 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 2 xjuncts. [2021-07-10 01:29:55,472 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:55,475 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 45 treesize of output 35 [2021-07-10 01:29:55,476 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:55,486 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:55,489 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 43 treesize of output 33 [2021-07-10 01:29:55,491 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:55,499 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:55,502 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 53 treesize of output 41 [2021-07-10 01:29:55,504 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 4 xjuncts. [2021-07-10 01:29:55,513 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:55,516 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 55 treesize of output 43 [2021-07-10 01:29:55,518 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 2 xjuncts. [2021-07-10 01:29:55,528 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:55,531 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 33 treesize of output 25 [2021-07-10 01:29:55,533 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:55,542 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:55,545 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 53 treesize of output 41 [2021-07-10 01:29:55,547 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 4 xjuncts. [2021-07-10 01:29:55,557 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 63 treesize of output 49 [2021-07-10 01:29:55,558 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:56,084 WARN L205 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 131 [2021-07-10 01:29:56,085 INFO L628 ElimStorePlain]: treesize reduction 823, result has 40.6 percent of original size [2021-07-10 01:29:56,091 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:56,092 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:56,092 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 21 treesize of output 7 [2021-07-10 01:29:56,093 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:56,099 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:56,099 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:56,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-10 01:29:56,100 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:56,109 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:29:56,115 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:56,116 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:56,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 19 [2021-07-10 01:29:56,117 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:56,122 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:56,123 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:56,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-07-10 01:29:56,124 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:56,135 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:29:56,141 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:56,142 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:56,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-10 01:29:56,143 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:56,148 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:56,149 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:56,149 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 21 treesize of output 7 [2021-07-10 01:29:56,150 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:56,159 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:29:56,164 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:56,165 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:56,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 15 [2021-07-10 01:29:56,166 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:56,172 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:56,172 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:56,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-07-10 01:29:56,173 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:56,178 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:56,179 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:56,179 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 12 treesize of output 5 [2021-07-10 01:29:56,180 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:56,185 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:56,185 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:56,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 19 [2021-07-10 01:29:56,186 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:56,197 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:29:56,203 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:56,203 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:56,204 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 21 treesize of output 7 [2021-07-10 01:29:56,204 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:56,209 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:56,209 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:56,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-10 01:29:56,210 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:56,219 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:29:56,224 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:56,224 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:56,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-07-10 01:29:56,225 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:56,230 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:29:56,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-07-10 01:29:56,231 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-10 01:29:56,420 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-07-10 01:29:56,421 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:29:56,427 INFO L550 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 2 dim-1 vars, End of recursive call: and 11 xjuncts. [2021-07-10 01:29:56,427 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 11 variables, input treesize:1365, output treesize:300 [2021-07-10 01:29:56,701 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2021-07-10 01:29:56,843 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:56,843 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896312124] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:56,843 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:29:56,843 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 30 [2021-07-10 01:29:56,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809222242] [2021-07-10 01:29:56,844 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-10 01:29:56,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:29:56,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-10 01:29:56,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=782, Unknown=0, NotChecked=0, Total=870 [2021-07-10 01:29:56,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:56,844 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:29:56,845 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 30 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:29:56,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:56,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:56,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:56,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:56,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:56,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:56,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:56,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:29:56,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:56,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:56,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:29:56,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:56,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:29:56,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:29:56,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:29:56,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:29:56,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:29:56,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:56,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:29:56,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:29:57,625 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2021-07-10 01:29:57,855 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 116 [2021-07-10 01:29:58,140 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 138 [2021-07-10 01:29:58,805 WARN L205 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 175 [2021-07-10 01:29:59,151 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 162 [2021-07-10 01:29:59,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:29:59,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:59,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:59,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:59,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:29:59,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:59,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:59,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:29:59,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:59,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:29:59,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:29:59,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:29:59,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:29:59,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:29:59,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:29:59,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:29:59,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:29:59,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:29:59,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:29:59,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:29:59,402 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable242 [2021-07-10 01:29:59,403 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:29:59,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:29:59,403 INFO L82 PathProgramCache]: Analyzing trace with hash -649642140, now seen corresponding path program 15 times [2021-07-10 01:29:59,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:29:59,403 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030293205] [2021-07-10 01:29:59,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:29:59,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:29:59,725 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:29:59,725 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:29:59,725 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030293205] [2021-07-10 01:29:59,725 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030293205] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:29:59,725 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [672758570] [2021-07-10 01:29:59,725 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:29:59,763 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-10 01:29:59,763 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:29:59,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 41 conjunts are in the unsatisfiable core [2021-07-10 01:29:59,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:30:00,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:00,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:00,227 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:00,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:00,230 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:00,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 34 [2021-07-10 01:30:00,232 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:00,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:00,236 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:00,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:00,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:00,238 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:00,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 26 [2021-07-10 01:30:00,240 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:00,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:00,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:00,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:00,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:00,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:00,246 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:00,249 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:00,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 26 [2021-07-10 01:30:00,251 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:00,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:00,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:00,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:00,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:00,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:00,257 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:00,260 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:00,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-07-10 01:30:00,261 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:00,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:00,265 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:00,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:00,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:00,267 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:00,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-07-10 01:30:00,269 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:00,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:00,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:00,273 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:00,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:00,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 33 [2021-07-10 01:30:00,275 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:00,402 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2021-07-10 01:30:00,403 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.8 percent of original size [2021-07-10 01:30:00,407 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2021-07-10 01:30:00,408 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:355, output treesize:153 [2021-07-10 01:30:00,817 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_74, array_4], 1=[array_0, v_prenex_73]} [2021-07-10 01:30:00,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-10 01:30:00,821 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:00,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-07-10 01:30:00,825 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-10 01:30:00,866 INFO L628 ElimStorePlain]: treesize reduction 59, result has 52.0 percent of original size [2021-07-10 01:30:00,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 01:30:00,869 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:00,884 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:30:00,884 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-07-10 01:30:00,886 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:00,887 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:00,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-10 01:30:00,887 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:00,889 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:00,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-10 01:30:00,890 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:00,897 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:30:00,910 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:30:00,911 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 01:30:00,911 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:119, output treesize:18 [2021-07-10 01:30:00,948 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:30:00,949 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [672758570] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:30:00,949 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:30:00,949 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 30 [2021-07-10 01:30:00,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001486628] [2021-07-10 01:30:00,949 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-10 01:30:00,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:30:00,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-10 01:30:00,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=799, Unknown=0, NotChecked=0, Total=870 [2021-07-10 01:30:00,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:30:00,950 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:30:00,950 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 30 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:30:00,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:00,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:30:00,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:00,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:00,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:00,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:00,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:00,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:30:00,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:00,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:30:00,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:00,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:00,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:00,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:30:00,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:00,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:00,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:00,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:00,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:00,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:30:00,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:30:01,806 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 94 [2021-07-10 01:30:02,001 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 96 [2021-07-10 01:30:02,205 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 96 [2021-07-10 01:30:02,493 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2021-07-10 01:30:02,718 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2021-07-10 01:30:03,020 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 87 [2021-07-10 01:30:03,301 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 86 [2021-07-10 01:30:03,541 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 88 [2021-07-10 01:30:03,785 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 97 [2021-07-10 01:30:03,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:03,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:30:03,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:03,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:03,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:03,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:03,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:03,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:30:03,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:03,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:30:03,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:03,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:03,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:03,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:30:03,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:03,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:03,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:03,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:03,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:03,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:30:03,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:04,051 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable293 [2021-07-10 01:30:04,051 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:30:04,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:30:04,051 INFO L82 PathProgramCache]: Analyzing trace with hash 1993481874, now seen corresponding path program 16 times [2021-07-10 01:30:04,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:30:04,052 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988011561] [2021-07-10 01:30:04,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:30:04,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:30:04,333 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:30:04,333 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:30:04,333 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988011561] [2021-07-10 01:30:04,333 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988011561] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:30:04,333 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [114905253] [2021-07-10 01:30:04,334 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:30:04,419 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 01:30:04,420 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:30:04,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 32 conjunts are in the unsatisfiable core [2021-07-10 01:30:04,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:30:04,612 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:04,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:30:04,613 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:04,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-10 01:30:04,617 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:04,620 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:04,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 01:30:04,621 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:04,623 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:30:04,624 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:04,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 01:30:04,627 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:04,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 01:30:04,630 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:04,660 INFO L628 ElimStorePlain]: treesize reduction 14, result has 69.6 percent of original size [2021-07-10 01:30:04,662 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-10 01:30:04,662 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-07-10 01:30:04,816 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:04,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:30:04,817 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:04,819 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:04,819 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 17 treesize of output 13 [2021-07-10 01:30:04,820 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:04,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 01:30:04,823 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:04,825 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:30:04,826 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:04,842 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-07-10 01:30:04,842 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-10 01:30:04,843 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:30:04,843 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-10 01:30:04,878 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:30:04,878 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [114905253] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:30:04,878 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:30:04,878 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 31 [2021-07-10 01:30:04,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710140866] [2021-07-10 01:30:04,879 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-10 01:30:04,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:30:04,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-10 01:30:04,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=852, Unknown=0, NotChecked=0, Total=930 [2021-07-10 01:30:04,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:30:04,880 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:30:04,880 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.4838709677419355) internal successors, (46), 31 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:30:04,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:04,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:30:04,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:04,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:04,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:04,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:04,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:04,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:30:04,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:04,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:30:04,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:04,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:04,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:04,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:30:04,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:04,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:04,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:04,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:04,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:04,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:30:04,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:04,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:30:07,897 WARN L205 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 202 [2021-07-10 01:30:08,957 WARN L205 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 204 [2021-07-10 01:30:09,708 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 205 [2021-07-10 01:30:10,709 WARN L205 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 218 [2021-07-10 01:30:10,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:10,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:30:10,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:10,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:10,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:10,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:10,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:10,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:30:10,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:10,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:30:10,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:10,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:10,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:10,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:30:10,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:10,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:10,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:10,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:10,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:10,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:30:10,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:10,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:30:11,044 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable311,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:30:11,045 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:30:11,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:30:11,045 INFO L82 PathProgramCache]: Analyzing trace with hash 1584429506, now seen corresponding path program 17 times [2021-07-10 01:30:11,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:30:11,045 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930680308] [2021-07-10 01:30:11,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:30:11,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:30:11,362 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:30:11,362 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:30:11,362 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930680308] [2021-07-10 01:30:11,362 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930680308] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:30:11,362 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [353353907] [2021-07-10 01:30:11,362 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:30:11,399 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-10 01:30:11,399 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:30:11,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 40 conjunts are in the unsatisfiable core [2021-07-10 01:30:11,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:30:11,621 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:11,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2021-07-10 01:30:11,624 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:11,627 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:11,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 29 [2021-07-10 01:30:11,630 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:11,633 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:11,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 31 [2021-07-10 01:30:11,636 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-07-10 01:30:11,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2021-07-10 01:30:11,640 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:11,668 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:30:11,671 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-10 01:30:11,671 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:169, output treesize:101 [2021-07-10 01:30:11,981 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:11,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-07-10 01:30:11,983 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:11,986 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:11,986 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 15 treesize of output 11 [2021-07-10 01:30:11,987 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:11,998 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:30:11,998 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:12,001 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:30:12,001 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:12,004 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:30:12,004 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:12,007 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:30:12,007 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:12,010 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:12,011 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 18 treesize of output 14 [2021-07-10 01:30:12,011 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:12,014 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:30:12,014 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:12,017 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:12,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-10 01:30:12,022 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:12,039 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:12,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-07-10 01:30:12,041 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:12,043 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:30:12,043 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:12,047 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:12,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 01:30:12,048 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:12,050 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:30:12,051 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:12,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:30:12,054 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:12,121 INFO L628 ElimStorePlain]: treesize reduction 63, result has 49.6 percent of original size [2021-07-10 01:30:12,126 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:12,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-07-10 01:30:12,127 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:12,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-07-10 01:30:12,130 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:12,156 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:30:12,157 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-07-10 01:30:12,157 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 2 variables, input treesize:377, output treesize:46 [2021-07-10 01:30:12,279 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:30:12,279 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [353353907] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:30:12,279 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:30:12,279 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 31 [2021-07-10 01:30:12,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671704649] [2021-07-10 01:30:12,280 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-10 01:30:12,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:30:12,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-10 01:30:12,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=857, Unknown=0, NotChecked=0, Total=930 [2021-07-10 01:30:12,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:30:12,281 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:30:12,281 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.4193548387096775) internal successors, (44), 31 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:30:12,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:12,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:30:12,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:12,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:12,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:12,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:12,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:12,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:30:12,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:12,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:30:12,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:12,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:12,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:12,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:30:12,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:12,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:12,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:12,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:12,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:12,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:30:12,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:12,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:30:12,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:30:13,500 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 71 [2021-07-10 01:30:13,650 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2021-07-10 01:30:13,952 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 81 [2021-07-10 01:30:14,213 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2021-07-10 01:30:14,486 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2021-07-10 01:30:14,846 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 84 [2021-07-10 01:30:15,150 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 109 [2021-07-10 01:30:15,576 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 166 [2021-07-10 01:30:15,719 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2021-07-10 01:30:16,075 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2021-07-10 01:30:16,222 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2021-07-10 01:30:16,570 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 154 [2021-07-10 01:30:16,715 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2021-07-10 01:30:16,955 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 102 [2021-07-10 01:30:17,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:17,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:30:17,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:17,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:17,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:17,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:17,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:17,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:30:17,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:17,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:30:17,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:17,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:17,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:17,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:30:17,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:17,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:17,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:17,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:30:17,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:30:17,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:17,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:17,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:30:17,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:30:17,725 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable318 [2021-07-10 01:30:17,725 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:30:17,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:30:17,726 INFO L82 PathProgramCache]: Analyzing trace with hash -189520540, now seen corresponding path program 18 times [2021-07-10 01:30:17,726 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:30:17,726 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533347990] [2021-07-10 01:30:17,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:30:17,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:30:17,836 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:30:17,836 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:30:17,836 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533347990] [2021-07-10 01:30:17,836 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533347990] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:30:17,836 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [797556764] [2021-07-10 01:30:17,836 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:30:17,870 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-07-10 01:30:17,870 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:30:17,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-10 01:30:17,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:30:17,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:30:17,927 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:17,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:30:17,930 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:17,942 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:30:17,943 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:30:17,943 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:51, output treesize:37 [2021-07-10 01:30:18,014 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:18,015 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 16 treesize of output 12 [2021-07-10 01:30:18,016 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:18,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 01:30:18,018 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:18,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-10 01:30:18,021 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:18,023 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 17 treesize of output 13 [2021-07-10 01:30:18,023 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:18,039 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-07-10 01:30:18,039 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-10 01:30:18,040 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:30:18,040 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-10 01:30:18,064 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:30:18,065 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [797556764] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:30:18,065 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:30:18,065 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 18 [2021-07-10 01:30:18,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772891372] [2021-07-10 01:30:18,065 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-10 01:30:18,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:30:18,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-10 01:30:18,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2021-07-10 01:30:18,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:30:18,066 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:30:18,066 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 18 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:30:18,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:18,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:30:18,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:18,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:18,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:18,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:18,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:18,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:30:18,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:18,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:30:18,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:18,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:18,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:18,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:30:18,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:18,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:18,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:18,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:30:18,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:30:18,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:18,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:18,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:30:18,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:30:18,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:30:19,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:19,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:30:19,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:19,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:19,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:19,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:19,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:19,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:30:19,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:19,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:30:19,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:19,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:19,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:19,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:30:19,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:19,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:19,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:19,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:30:19,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:19,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:19,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:19,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:30:19,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:30:19,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:19,811 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable334 [2021-07-10 01:30:19,812 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:30:19,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:30:19,812 INFO L82 PathProgramCache]: Analyzing trace with hash 217184102, now seen corresponding path program 19 times [2021-07-10 01:30:19,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:30:19,812 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174888960] [2021-07-10 01:30:19,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:30:19,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:30:20,109 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:30:20,110 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:30:20,110 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174888960] [2021-07-10 01:30:20,110 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174888960] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:30:20,110 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [347302155] [2021-07-10 01:30:20,110 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:30:20,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:30:20,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 40 conjunts are in the unsatisfiable core [2021-07-10 01:30:20,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:30:20,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:30:20,247 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:20,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 01:30:20,249 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:20,256 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:30:20,257 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:30:20,257 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:39, output treesize:25 [2021-07-10 01:30:20,427 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:20,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 31 [2021-07-10 01:30:20,431 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-10 01:30:20,434 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:20,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2021-07-10 01:30:20,437 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:20,440 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:20,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 29 [2021-07-10 01:30:20,444 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:20,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2021-07-10 01:30:20,448 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:20,511 INFO L628 ElimStorePlain]: treesize reduction 55, result has 52.2 percent of original size [2021-07-10 01:30:20,515 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:20,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-10 01:30:20,516 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:20,518 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 21 treesize of output 7 [2021-07-10 01:30:20,519 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:20,528 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:30:20,546 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:30:20,546 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:30:20,546 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:181, output treesize:38 [2021-07-10 01:30:20,619 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:30:20,619 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [347302155] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:30:20,620 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:30:20,620 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 23 [2021-07-10 01:30:20,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918314470] [2021-07-10 01:30:20,620 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-10 01:30:20,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:30:20,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-10 01:30:20,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2021-07-10 01:30:20,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:30:20,620 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:30:20,621 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.608695652173913) internal successors, (37), 23 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:30:20,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:20,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:30:20,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:20,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:20,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:20,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:20,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:20,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:30:20,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:20,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:30:20,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:20,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:20,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:20,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:30:20,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:20,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:20,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:20,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:30:20,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:20,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:20,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:20,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:30:20,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:30:20,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:20,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:30:21,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:21,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:30:21,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:21,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:21,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:21,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:21,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:30:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:30:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:30:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:30:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:30:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:30:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:21,470 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable340 [2021-07-10 01:30:21,470 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:30:21,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:30:21,470 INFO L82 PathProgramCache]: Analyzing trace with hash 861219954, now seen corresponding path program 20 times [2021-07-10 01:30:21,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:30:21,470 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711450760] [2021-07-10 01:30:21,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:30:21,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:30:21,639 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:30:21,639 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:30:21,639 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711450760] [2021-07-10 01:30:21,639 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711450760] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:30:21,640 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976451865] [2021-07-10 01:30:21,640 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:30:21,683 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 01:30:21,683 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:30:21,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 32 conjunts are in the unsatisfiable core [2021-07-10 01:30:21,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:30:21,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:30:21,747 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:21,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:30:21,749 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:21,760 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:30:21,761 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:30:21,761 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-10 01:30:21,864 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:21,864 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 15 treesize of output 11 [2021-07-10 01:30:21,865 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:21,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:30:21,868 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:21,883 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 01:30:21,883 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-10 01:30:21,884 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:30:21,884 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 01:30:21,909 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:30:21,909 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976451865] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:30:21,910 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:30:21,910 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 22 [2021-07-10 01:30:21,910 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764807798] [2021-07-10 01:30:21,910 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-10 01:30:21,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:30:21,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-10 01:30:21,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-07-10 01:30:21,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:30:21,911 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:30:21,911 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:30:21,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:21,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:30:21,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:21,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:21,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:21,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:21,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:21,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:30:21,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:21,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:30:21,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:21,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:21,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:21,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:30:21,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:21,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:21,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:21,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:30:21,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:21,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:21,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:21,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:30:21,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:30:21,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:21,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:21,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:30:22,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:22,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:30:22,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:22,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:22,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:22,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:22,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:22,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:30:22,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:22,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:30:22,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:22,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:22,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:22,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:30:22,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:22,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:22,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:22,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:30:22,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:22,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:22,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:22,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:30:22,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:30:22,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:22,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:22,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:30:22,666 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable351,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:30:22,666 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:30:22,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:30:22,667 INFO L82 PathProgramCache]: Analyzing trace with hash 1585566532, now seen corresponding path program 21 times [2021-07-10 01:30:22,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:30:22,667 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860937406] [2021-07-10 01:30:22,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:30:22,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:30:23,259 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:30:23,259 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:30:23,259 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860937406] [2021-07-10 01:30:23,259 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860937406] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:30:23,259 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [535243992] [2021-07-10 01:30:23,259 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:30:23,303 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-10 01:30:23,303 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:30:23,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 60 conjunts are in the unsatisfiable core [2021-07-10 01:30:23,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:30:24,130 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 137 [2021-07-10 01:30:24,459 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 141 [2021-07-10 01:30:24,909 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 104 [2021-07-10 01:30:25,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:25,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:25,090 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:25,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:25,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:25,091 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:25,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:25,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:25,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:25,093 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:25,094 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:25,095 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:25,098 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:25,102 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:25,102 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:25,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 55 [2021-07-10 01:30:25,107 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:25,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:25,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:25,127 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:25,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:25,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:25,128 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:25,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:25,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:25,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:25,131 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:25,131 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:25,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 47 [2021-07-10 01:30:25,133 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:25,300 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-07-10 01:30:25,301 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:30:25,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:25,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:25,307 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:25,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:25,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:25,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:25,309 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:25,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:25,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:25,310 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:25,311 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:25,313 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:25,317 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:25,332 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:25,333 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:25,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 55 [2021-07-10 01:30:25,335 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:25,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:25,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:25,340 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:25,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:25,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:25,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:25,342 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:25,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:25,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:25,344 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:25,344 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:25,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 57 [2021-07-10 01:30:25,346 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:25,491 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-07-10 01:30:25,491 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:30:25,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:25,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:25,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:25,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:25,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:25,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:25,499 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:25,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:25,513 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:25,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:25,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:25,515 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:25,515 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:25,519 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:25,520 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:25,523 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:25,524 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:25,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 55 [2021-07-10 01:30:25,526 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:25,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:25,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:25,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:25,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:25,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:25,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:25,534 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:25,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:25,535 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:25,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:25,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:25,536 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:25,537 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:25,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 47 [2021-07-10 01:30:25,538 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:25,620 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:30:25,631 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 6 dim-0 vars, and 6 xjuncts. [2021-07-10 01:30:25,631 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:504, output treesize:316 [2021-07-10 01:30:26,817 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_94, v_prenex_92, v_prenex_98, v_prenex_96, array_4, v_prenex_90], 10=[v_prenex_93, array_0, v_prenex_91, v_prenex_97, v_prenex_95, v_prenex_89]} [2021-07-10 01:30:26,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 40 [2021-07-10 01:30:26,846 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:26,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2021-07-10 01:30:26,854 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-10 01:30:27,298 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 157 [2021-07-10 01:30:27,299 INFO L628 ElimStorePlain]: treesize reduction 207, result has 67.5 percent of original size [2021-07-10 01:30:27,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2021-07-10 01:30:27,321 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-07-10 01:30:27,443 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2021-07-10 01:30:27,444 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:30:27,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2021-07-10 01:30:27,457 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:27,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 37 [2021-07-10 01:30:27,463 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:27,556 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:30:27,562 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 35 treesize of output 27 [2021-07-10 01:30:27,563 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:27,649 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:30:27,654 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 35 treesize of output 27 [2021-07-10 01:30:27,656 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:27,735 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:30:27,744 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 56 treesize of output 44 [2021-07-10 01:30:27,747 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:27,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2021-07-10 01:30:27,753 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:27,814 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:30:27,818 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:27,819 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:27,819 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 21 treesize of output 7 [2021-07-10 01:30:27,820 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:27,823 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:27,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-10 01:30:27,824 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:27,832 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:30:27,891 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:30:27,891 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-07-10 01:30:27,895 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:27,896 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:27,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-10 01:30:27,897 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:27,900 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:27,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-10 01:30:27,901 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:27,909 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:30:27,968 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:30:27,972 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:27,973 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:27,973 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 10 treesize of output 5 [2021-07-10 01:30:27,974 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:27,977 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:27,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-07-10 01:30:27,978 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:28,035 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:30:28,035 INFO L518 ElimStorePlain]: Eliminatee v_prenex_95 vanished before elimination [2021-07-10 01:30:28,039 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:28,039 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:28,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-07-10 01:30:28,041 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:28,045 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:28,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-07-10 01:30:28,045 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:28,101 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:30:28,104 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 12 dim-1 vars, End of recursive call: and 10 xjuncts. [2021-07-10 01:30:28,104 INFO L247 ElimStorePlain]: Needed 18 recursive calls to eliminate 18 variables, input treesize:687, output treesize:73 [2021-07-10 01:30:28,188 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:30:28,190 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [535243992] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:30:28,190 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:30:28,190 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18] total 34 [2021-07-10 01:30:28,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784845648] [2021-07-10 01:30:28,191 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-10 01:30:28,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:30:28,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-10 01:30:28,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=1046, Unknown=0, NotChecked=0, Total=1122 [2021-07-10 01:30:28,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:30:28,192 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:30:28,192 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 34 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:30:28,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:28,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:30:28,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:28,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:28,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:28,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:28,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:28,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:30:28,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:28,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:30:28,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:28,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:28,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:28,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:30:28,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:28,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:28,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:28,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:30:28,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:28,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:28,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:28,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:30:28,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:30:28,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:28,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:28,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:30:28,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:30:29,716 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 66 [2021-07-10 01:30:30,029 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 81 [2021-07-10 01:30:30,390 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 85 [2021-07-10 01:30:30,787 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 87 [2021-07-10 01:30:31,240 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 185 [2021-07-10 01:30:31,872 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 192 [2021-07-10 01:30:31,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:31,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:30:31,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:31,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:31,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:31,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:31,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:31,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:30:31,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:31,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:30:31,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:31,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:31,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:31,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:30:31,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:31,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:31,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:31,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:30:31,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:31,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:31,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:31,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:30:31,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:30:31,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:31,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:31,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:30:31,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:30:32,160 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable354 [2021-07-10 01:30:32,160 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:30:32,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:30:32,160 INFO L82 PathProgramCache]: Analyzing trace with hash 2028729680, now seen corresponding path program 22 times [2021-07-10 01:30:32,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:30:32,161 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530582412] [2021-07-10 01:30:32,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:30:32,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:30:32,580 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:30:32,580 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:30:32,580 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530582412] [2021-07-10 01:30:32,581 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530582412] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:30:32,581 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1282500898] [2021-07-10 01:30:32,581 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:30:32,655 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 01:30:32,655 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:30:32,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 49 conjunts are in the unsatisfiable core [2021-07-10 01:30:32,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:30:33,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:33,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:33,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:33,428 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:33,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:33,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:33,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:33,432 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:33,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 40 [2021-07-10 01:30:33,436 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:33,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:33,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:33,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:33,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:33,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:33,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:33,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:33,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:33,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:33,444 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:33,449 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:33,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2021-07-10 01:30:33,451 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:33,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:33,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:33,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:33,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:33,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:33,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:33,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:33,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:33,458 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:33,463 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:33,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 32 [2021-07-10 01:30:33,465 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:33,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:33,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:33,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:33,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:33,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:33,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:33,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:33,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:33,472 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:33,477 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:33,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 33 [2021-07-10 01:30:33,479 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:33,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:33,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:33,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:33,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:33,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:33,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:33,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:33,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:33,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:33,487 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:33,492 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:33,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 33 [2021-07-10 01:30:33,494 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:33,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:33,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:33,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:33,498 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:33,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:33,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:33,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:33,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 41 [2021-07-10 01:30:33,501 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:33,605 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2021-07-10 01:30:33,605 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.5 percent of original size [2021-07-10 01:30:33,610 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2021-07-10 01:30:33,610 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:391, output treesize:125 [2021-07-10 01:30:34,061 INFO L446 ElimStorePlain]: Different costs {0=[array_4, v_prenex_104], 1=[array_0, v_prenex_103]} [2021-07-10 01:30:34,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 01:30:34,065 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:34,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:30:34,069 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:34,102 INFO L628 ElimStorePlain]: treesize reduction 59, result has 43.8 percent of original size [2021-07-10 01:30:34,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-07-10 01:30:34,104 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-07-10 01:30:34,120 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:30:34,120 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-07-10 01:30:34,122 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:34,122 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:34,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-10 01:30:34,123 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:34,125 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:34,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-10 01:30:34,126 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:34,132 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:30:34,145 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:30:34,146 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 01:30:34,147 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:119, output treesize:18 [2021-07-10 01:30:34,192 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:30:34,192 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1282500898] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:30:34,192 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:30:34,193 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 36 [2021-07-10 01:30:34,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376086546] [2021-07-10 01:30:34,193 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-07-10 01:30:34,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:30:34,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-07-10 01:30:34,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=1178, Unknown=0, NotChecked=0, Total=1260 [2021-07-10 01:30:34,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:30:34,194 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:30:34,194 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 36 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:30:34,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:34,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:30:34,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:34,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:34,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:34,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:34,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:34,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:30:34,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:34,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:30:34,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:34,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:34,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:34,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:30:34,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:34,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:34,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:34,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:30:34,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:34,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:34,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:34,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:30:34,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:30:34,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:34,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:34,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:30:34,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:30:34,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:30:36,838 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 57 [2021-07-10 01:30:37,112 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 101 [2021-07-10 01:30:37,516 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 50 [2021-07-10 01:30:38,020 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 96 [2021-07-10 01:30:38,289 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 86 [2021-07-10 01:30:38,649 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 91 [2021-07-10 01:30:38,950 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 95 [2021-07-10 01:30:39,254 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 95 [2021-07-10 01:30:39,560 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 91 [2021-07-10 01:30:39,864 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 99 [2021-07-10 01:30:39,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:39,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:30:39,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:39,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:39,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:39,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:39,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:39,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:30:39,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:39,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:30:39,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:39,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:39,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:39,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:30:39,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:39,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:39,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:39,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:30:39,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:39,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:39,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:39,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:30:39,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:30:39,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:39,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:39,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:30:39,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:30:39,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:30:40,145 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable410 [2021-07-10 01:30:40,146 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:30:40,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:30:40,146 INFO L82 PathProgramCache]: Analyzing trace with hash -876337626, now seen corresponding path program 23 times [2021-07-10 01:30:40,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:30:40,146 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604915295] [2021-07-10 01:30:40,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:30:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:30:40,442 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:30:40,443 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:30:40,443 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604915295] [2021-07-10 01:30:40,443 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604915295] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:30:40,443 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195140720] [2021-07-10 01:30:40,443 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:30:40,486 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-10 01:30:40,487 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:30:40,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-10 01:30:40,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:30:40,740 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:40,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 01:30:40,741 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:40,743 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:40,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:30:40,744 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:40,746 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:30:40,747 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:40,749 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:30:40,749 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:40,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 01:30:40,752 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:40,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 01:30:40,754 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:40,779 INFO L628 ElimStorePlain]: treesize reduction 6, result has 84.2 percent of original size [2021-07-10 01:30:40,780 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-10 01:30:40,780 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-07-10 01:30:40,973 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:40,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:30:40,974 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:40,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-10 01:30:40,977 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:40,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 01:30:40,980 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:40,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 01:30:40,982 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:40,998 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-07-10 01:30:40,998 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-10 01:30:40,999 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:30:40,999 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-10 01:30:41,036 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:30:41,036 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [195140720] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:30:41,036 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:30:41,036 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 37 [2021-07-10 01:30:41,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755166189] [2021-07-10 01:30:41,036 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-10 01:30:41,036 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:30:41,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-10 01:30:41,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1243, Unknown=0, NotChecked=0, Total=1332 [2021-07-10 01:30:41,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:30:41,037 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:30:41,037 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 37 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:30:41,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:41,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:30:41,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:41,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:41,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:41,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:41,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:41,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:30:41,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:41,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:30:41,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:41,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:41,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:41,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:30:41,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:41,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:41,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:41,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:30:41,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:41,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:41,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:41,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:30:41,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:30:41,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:41,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:41,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:30:41,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 01:30:41,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:30:41,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:30:44,438 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 206 [2021-07-10 01:30:45,012 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 206 [2021-07-10 01:30:45,556 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 206 [2021-07-10 01:30:45,985 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 195 [2021-07-10 01:30:46,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:46,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:30:46,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:46,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:46,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:46,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:46,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:46,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:30:46,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:46,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:30:46,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:46,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:46,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:46,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:30:46,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:46,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:46,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:46,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:30:46,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:46,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:46,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:46,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:30:46,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:30:46,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:46,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:46,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:30:46,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:30:46,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:30:46,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:30:46,321 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable429 [2021-07-10 01:30:46,322 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:30:46,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:30:46,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1729493326, now seen corresponding path program 24 times [2021-07-10 01:30:46,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:30:46,322 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54160700] [2021-07-10 01:30:46,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:30:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:30:46,721 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:30:46,721 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:30:46,721 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54160700] [2021-07-10 01:30:46,721 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54160700] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:30:46,722 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1894883285] [2021-07-10 01:30:46,722 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:30:46,776 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-10 01:30:46,776 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:30:46,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-10 01:30:46,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:30:47,155 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-07-10 01:30:47,379 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2021-07-10 01:30:47,645 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 84 [2021-07-10 01:30:47,706 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:47,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:47,708 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:47,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 34 [2021-07-10 01:30:47,712 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:47,716 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:47,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:47,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-07-10 01:30:47,718 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:47,792 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:30:47,796 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:47,798 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:47,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 34 [2021-07-10 01:30:47,802 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:47,806 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:47,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 36 [2021-07-10 01:30:47,808 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-07-10 01:30:47,870 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:30:47,873 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:47,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:47,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:47,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:47,876 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:47,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2021-07-10 01:30:47,881 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:47,884 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:47,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:47,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:47,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:30:47,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2021-07-10 01:30:47,888 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:47,934 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:30:47,939 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 6 dim-0 vars, and 6 xjuncts. [2021-07-10 01:30:47,939 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:298, output treesize:146 [2021-07-10 01:30:48,643 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 21=[array_0]} [2021-07-10 01:30:48,647 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:48,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:30:48,648 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:48,652 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:48,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-07-10 01:30:48,653 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:48,657 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:48,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:30:48,658 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:48,662 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:48,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-10 01:30:48,663 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:48,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:48,667 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 27 treesize of output 21 [2021-07-10 01:30:48,668 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:48,672 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:48,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:30:48,673 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:48,677 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:48,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-07-10 01:30:48,678 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:48,682 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:48,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-07-10 01:30:48,683 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:48,686 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:48,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-07-10 01:30:48,688 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:48,691 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:48,691 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 16 treesize of output 12 [2021-07-10 01:30:48,692 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:48,696 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:48,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-10 01:30:48,697 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:48,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-07-10 01:30:48,701 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:48,832 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2021-07-10 01:30:48,832 INFO L628 ElimStorePlain]: treesize reduction 122, result has 52.0 percent of original size [2021-07-10 01:30:48,836 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:48,836 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:48,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-07-10 01:30:48,837 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:48,841 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:48,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-07-10 01:30:48,841 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:48,890 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:30:48,894 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, End of recursive call: and 6 xjuncts. [2021-07-10 01:30:48,894 INFO L247 ElimStorePlain]: Needed 15 recursive calls to eliminate 8 variables, input treesize:405, output treesize:58 [2021-07-10 01:30:49,008 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:30:49,008 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1894883285] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:30:49,008 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:30:49,008 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 33 [2021-07-10 01:30:49,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291970450] [2021-07-10 01:30:49,008 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-10 01:30:49,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:30:49,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-10 01:30:49,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=977, Unknown=0, NotChecked=0, Total=1056 [2021-07-10 01:30:49,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:30:49,009 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:30:49,009 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 1.393939393939394) internal successors, (46), 33 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:30:49,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:49,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:30:49,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:49,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:49,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:49,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:49,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:49,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:30:49,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:49,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:30:49,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:49,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:49,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:49,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:30:49,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:49,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:49,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:49,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:30:49,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:49,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:49,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:49,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:30:49,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:30:49,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:49,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:49,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:30:49,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:30:49,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:30:49,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:30:49,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:30:49,923 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2021-07-10 01:30:50,886 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2021-07-10 01:30:52,660 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 56 [2021-07-10 01:30:52,822 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 55 [2021-07-10 01:30:53,040 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 61 [2021-07-10 01:30:53,281 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 66 [2021-07-10 01:30:53,523 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 109 [2021-07-10 01:30:53,810 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2021-07-10 01:30:54,084 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 116 [2021-07-10 01:30:54,466 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 126 [2021-07-10 01:30:54,819 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 133 [2021-07-10 01:30:55,175 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 128 [2021-07-10 01:30:55,518 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 133 [2021-07-10 01:30:55,861 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 131 [2021-07-10 01:30:56,359 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 149 [2021-07-10 01:30:56,703 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 122 [2021-07-10 01:30:56,968 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 122 [2021-07-10 01:30:57,228 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 122 [2021-07-10 01:30:57,488 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 123 [2021-07-10 01:30:58,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:58,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:30:58,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:58,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:58,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:58,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:58,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:58,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:30:58,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:58,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:30:58,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:58,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:58,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:58,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:30:58,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:58,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:58,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:58,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:30:58,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:58,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:58,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:58,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:30:58,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:30:58,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:58,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:30:58,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:30:58,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:30:58,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:30:58,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:30:58,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-10 01:30:58,312 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable437,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:30:58,313 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:30:58,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:30:58,313 INFO L82 PathProgramCache]: Analyzing trace with hash -1199675696, now seen corresponding path program 25 times [2021-07-10 01:30:58,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:30:58,313 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871330083] [2021-07-10 01:30:58,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:30:58,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:30:58,459 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:30:58,460 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:30:58,460 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871330083] [2021-07-10 01:30:58,460 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871330083] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:30:58,460 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956151750] [2021-07-10 01:30:58,460 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:30:58,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:30:58,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 32 conjunts are in the unsatisfiable core [2021-07-10 01:30:58,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:30:58,563 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:58,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:30:58,564 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:58,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:30:58,566 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:58,578 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:30:58,579 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:30:58,579 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-10 01:30:58,681 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:58,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:30:58,682 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:58,684 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:30:58,684 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 17 treesize of output 13 [2021-07-10 01:30:58,685 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:58,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 01:30:58,688 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:58,689 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:30:58,690 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:30:58,704 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-07-10 01:30:58,705 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-10 01:30:58,705 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:30:58,705 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-10 01:30:58,733 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:30:58,733 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [956151750] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:30:58,733 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:30:58,733 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 22 [2021-07-10 01:30:58,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644882410] [2021-07-10 01:30:58,733 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-07-10 01:30:58,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:30:58,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-07-10 01:30:58,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2021-07-10 01:30:58,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:30:58,734 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:30:58,734 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:30:58,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:30:58,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:30:58,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:58,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:58,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:30:58,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:30:58,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:58,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:30:58,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:58,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:30:58,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:30:58,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:30:58,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:58,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:30:58,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:58,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:58,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:30:58,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:30:58,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:30:58,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:30:58,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:58,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:30:58,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:30:58,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:30:58,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:30:58,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:30:58,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:30:58,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:30:58,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:30:58,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-10 01:30:58,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:31:00,334 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 66 [2021-07-10 01:31:00,737 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 67 [2021-07-10 01:31:01,047 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 67 [2021-07-10 01:31:01,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:31:01,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:31:01,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:01,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:01,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:01,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:31:01,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:01,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:31:01,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:01,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:31:01,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:31:01,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:01,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:31:01,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:31:01,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:31:01,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:31:01,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:31:01,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:31:01,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:31:01,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:31:01,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:01,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:31:01,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:31:01,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:01,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:31:01,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:31:01,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:31:01,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:31:01,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:31:01,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-10 01:31:01,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:31:01,630 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable473,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:31:01,631 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:31:01,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:31:01,631 INFO L82 PathProgramCache]: Analyzing trace with hash 864109954, now seen corresponding path program 26 times [2021-07-10 01:31:01,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:31:01,631 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252207433] [2021-07-10 01:31:01,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:31:01,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:31:01,838 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:31:01,838 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:31:01,838 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252207433] [2021-07-10 01:31:01,838 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252207433] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:31:01,838 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [337724527] [2021-07-10 01:31:01,838 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:31:01,878 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 01:31:01,878 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:31:01,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-10 01:31:01,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:31:01,962 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:01,963 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 15 treesize of output 11 [2021-07-10 01:31:01,963 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:01,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:31:01,966 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:01,978 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:31:01,979 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:31:01,979 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-10 01:31:02,116 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:02,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:31:02,117 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:02,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:31:02,120 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:02,133 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 01:31:02,133 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-10 01:31:02,134 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:31:02,134 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 01:31:02,160 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:31:02,160 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [337724527] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:31:02,160 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:31:02,160 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 26 [2021-07-10 01:31:02,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570557289] [2021-07-10 01:31:02,160 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-07-10 01:31:02,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:31:02,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-07-10 01:31:02,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2021-07-10 01:31:02,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:31:02,161 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:31:02,161 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 26 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:31:02,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:31:02,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:31:02,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:02,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:02,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:02,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:31:02,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:02,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:31:02,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:02,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:31:02,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:31:02,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:02,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:31:02,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:31:02,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:31:02,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:31:02,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:31:02,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:31:02,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:31:02,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:31:02,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:02,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:31:02,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:31:02,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:02,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:31:02,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:31:02,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:31:02,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:31:02,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:31:02,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-10 01:31:02,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:31:02,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:31:02,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:31:02,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:31:02,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:02,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:02,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:02,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:31:02,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:02,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:31:02,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:02,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:31:02,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:31:02,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:02,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:31:02,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:31:02,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:31:02,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:31:02,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:31:02,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:31:02,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:31:02,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:31:02,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:02,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:31:02,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:31:02,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:02,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:31:02,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:31:02,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:31:02,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:31:02,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:31:02,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-10 01:31:02,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:31:02,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:31:03,133 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable479 [2021-07-10 01:31:03,133 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:31:03,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:31:03,133 INFO L82 PathProgramCache]: Analyzing trace with hash 1675156532, now seen corresponding path program 27 times [2021-07-10 01:31:03,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:31:03,133 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630782001] [2021-07-10 01:31:03,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:31:03,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:31:04,065 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:31:04,066 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:31:04,066 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630782001] [2021-07-10 01:31:04,066 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630782001] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:31:04,066 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2091940417] [2021-07-10 01:31:04,066 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:31:04,107 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-10 01:31:04,108 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:31:04,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 74 conjunts are in the unsatisfiable core [2021-07-10 01:31:04,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:31:04,921 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-07-10 01:31:05,250 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-07-10 01:31:05,613 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2021-07-10 01:31:06,180 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2021-07-10 01:31:06,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,273 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,281 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,283 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,285 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,285 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,286 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,294 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,311 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,313 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,313 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,328 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 113 treesize of output 75 [2021-07-10 01:31:06,330 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:06,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,340 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,342 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,345 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,347 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,348 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,354 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,356 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,359 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,362 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,363 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,374 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 113 treesize of output 75 [2021-07-10 01:31:06,376 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:06,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,386 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,393 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,394 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,396 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,400 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,403 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,408 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,410 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,411 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,412 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 123 treesize of output 83 [2021-07-10 01:31:06,414 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:06,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,424 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,425 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,429 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,433 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,434 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,438 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,440 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,444 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,448 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,449 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,453 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 103 treesize of output 67 [2021-07-10 01:31:06,454 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:06,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,461 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,468 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,472 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,473 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,474 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,475 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,483 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,488 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,488 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,490 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,491 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 103 treesize of output 67 [2021-07-10 01:31:06,492 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:06,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,498 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,505 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,510 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:06,512 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,513 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:06,513 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 113 treesize of output 75 [2021-07-10 01:31:06,515 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:06,700 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2021-07-10 01:31:06,700 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:31:06,725 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, End of recursive call: 6 dim-0 vars, and 6 xjuncts. [2021-07-10 01:31:06,725 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 7 variables, input treesize:793, output treesize:571 [2021-07-10 01:31:07,040 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2021-07-10 01:31:07,429 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 123 [2021-07-10 01:31:08,451 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2021-07-10 01:31:08,732 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2021-07-10 01:31:08,839 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_141, array_4, v_prenex_143, v_prenex_145, v_prenex_147, v_prenex_139], 15=[array_0, v_prenex_140, v_prenex_142, v_prenex_144, v_prenex_146, v_prenex_138]} [2021-07-10 01:31:08,853 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 [2021-07-10 01:31:08,855 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:08,862 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 65 treesize of output 51 [2021-07-10 01:31:08,864 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:09,173 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 183 [2021-07-10 01:31:09,174 INFO L628 ElimStorePlain]: treesize reduction 277, result has 62.6 percent of original size [2021-07-10 01:31:09,180 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 65 treesize of output 51 [2021-07-10 01:31:09,182 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:09,288 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2021-07-10 01:31:09,289 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:31:09,295 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 [2021-07-10 01:31:09,297 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-07-10 01:31:09,405 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2021-07-10 01:31:09,405 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:31:09,418 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 65 treesize of output 51 [2021-07-10 01:31:09,421 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:09,426 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 [2021-07-10 01:31:09,428 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:09,509 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:31:09,514 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 [2021-07-10 01:31:09,516 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2021-07-10 01:31:09,593 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:31:09,598 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 44 treesize of output 34 [2021-07-10 01:31:09,599 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:09,666 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:31:09,671 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:09,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-07-10 01:31:09,672 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:09,739 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:31:09,744 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:09,744 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:09,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-07-10 01:31:09,745 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:09,749 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:09,749 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 24 treesize of output 9 [2021-07-10 01:31:09,750 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:09,814 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:31:09,819 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:09,819 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:09,819 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 21 treesize of output 7 [2021-07-10 01:31:09,820 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:09,824 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:09,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-10 01:31:09,824 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:09,832 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:31:09,894 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:31:09,898 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:09,899 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:09,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-07-10 01:31:09,900 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:09,904 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:09,905 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 20 treesize of output 9 [2021-07-10 01:31:09,905 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:09,999 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:31:10,003 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:10,003 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:10,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-10 01:31:10,004 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:10,007 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:10,008 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 21 treesize of output 7 [2021-07-10 01:31:10,008 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:10,016 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:31:10,078 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:31:10,078 INFO L518 ElimStorePlain]: Eliminatee v_prenex_138 vanished before elimination [2021-07-10 01:31:10,082 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 12 dim-1 vars, End of recursive call: and 10 xjuncts. [2021-07-10 01:31:10,083 INFO L247 ElimStorePlain]: Needed 18 recursive calls to eliminate 18 variables, input treesize:825, output treesize:83 [2021-07-10 01:31:10,189 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:31:10,189 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2091940417] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:31:10,189 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:31:10,189 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 41 [2021-07-10 01:31:10,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288122206] [2021-07-10 01:31:10,190 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-07-10 01:31:10,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:31:10,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-07-10 01:31:10,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=1545, Unknown=0, NotChecked=0, Total=1640 [2021-07-10 01:31:10,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:31:10,191 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:31:10,191 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 41 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:31:10,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:31:10,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:31:10,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:10,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:10,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:10,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:31:10,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:10,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:31:10,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:10,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:31:10,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:31:10,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:10,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:31:10,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:31:10,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:31:10,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:31:10,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:31:10,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:31:10,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:31:10,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:31:10,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:10,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:31:10,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:31:10,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:10,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:31:10,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:31:10,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:31:10,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:31:10,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:31:10,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-10 01:31:10,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:31:10,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:31:10,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:31:12,061 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 59 [2021-07-10 01:31:12,446 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 114 [2021-07-10 01:31:12,831 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 72 [2021-07-10 01:31:13,857 WARN L205 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 178 [2021-07-10 01:31:14,266 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 80 [2021-07-10 01:31:15,475 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 271 DAG size of output: 186 [2021-07-10 01:31:16,221 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 236 [2021-07-10 01:31:17,327 WARN L205 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 269 [2021-07-10 01:31:18,127 WARN L205 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 258 [2021-07-10 01:31:18,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:31:18,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:31:18,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:18,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:18,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:18,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:31:18,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:18,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:31:18,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:18,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:31:18,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:31:18,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:18,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:31:18,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:31:18,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:31:18,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:31:18,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:31:18,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:31:18,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:31:18,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:31:18,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:18,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:31:18,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:31:18,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:18,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:31:18,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:31:18,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:31:18,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:31:18,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:31:18,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-10 01:31:18,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:31:18,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:31:18,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:18,437 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable482,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:31:18,437 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:31:18,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:31:18,438 INFO L82 PathProgramCache]: Analyzing trace with hash 1588592868, now seen corresponding path program 28 times [2021-07-10 01:31:18,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:31:18,438 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026335169] [2021-07-10 01:31:18,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:31:18,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:31:18,994 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:31:18,994 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:31:18,995 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026335169] [2021-07-10 01:31:18,995 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026335169] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:31:18,995 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779552413] [2021-07-10 01:31:18,995 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:31:19,035 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 01:31:19,036 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:31:19,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 59 conjunts are in the unsatisfiable core [2021-07-10 01:31:19,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:31:19,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,901 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:19,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,908 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:19,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 47 [2021-07-10 01:31:19,912 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:19,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,920 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:19,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,927 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:19,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 48 [2021-07-10 01:31:19,932 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:19,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,943 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:19,953 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:19,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-07-10 01:31:19,955 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:19,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:19,966 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:19,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 40 [2021-07-10 01:31:19,968 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:20,035 INFO L628 ElimStorePlain]: treesize reduction 2, result has 97.8 percent of original size [2021-07-10 01:31:20,040 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2021-07-10 01:31:20,040 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:311, output treesize:81 [2021-07-10 01:31:20,391 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:20,391 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 25 treesize of output 19 [2021-07-10 01:31:20,392 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:20,395 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:20,395 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 24 treesize of output 18 [2021-07-10 01:31:20,396 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:20,398 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:20,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:31:20,399 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:20,402 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:20,402 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 35 treesize of output 27 [2021-07-10 01:31:20,404 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 4 xjuncts. [2021-07-10 01:31:20,407 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:20,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-10 01:31:20,408 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:20,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-07-10 01:31:20,412 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:20,466 INFO L628 ElimStorePlain]: treesize reduction 200, result has 21.3 percent of original size [2021-07-10 01:31:20,469 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:20,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-10 01:31:20,470 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:20,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-10 01:31:20,472 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:20,479 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:31:20,497 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:31:20,497 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:31:20,497 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 2 variables, input treesize:220, output treesize:38 [2021-07-10 01:31:20,604 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:31:20,605 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1779552413] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:31:20,605 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:31:20,605 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 41 [2021-07-10 01:31:20,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656380314] [2021-07-10 01:31:20,605 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-07-10 01:31:20,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:31:20,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-07-10 01:31:20,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1522, Unknown=0, NotChecked=0, Total=1640 [2021-07-10 01:31:20,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:31:20,606 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:31:20,606 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 41 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:31:20,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:31:20,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:31:20,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:20,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:20,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:20,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:31:20,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:20,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:31:20,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:20,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:31:20,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:31:20,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:20,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:31:20,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:31:20,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:31:20,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:31:20,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:31:20,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:31:20,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:31:20,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:31:20,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:20,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:31:20,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:31:20,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:20,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:31:20,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:31:20,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:31:20,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:31:20,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:31:20,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-10 01:31:20,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:31:20,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:31:20,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:20,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:31:23,796 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2021-07-10 01:31:24,025 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2021-07-10 01:31:24,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:31:24,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:31:24,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:24,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:24,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:24,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:31:24,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:24,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:31:24,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:31:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:31:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:31:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:31:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:31:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:31:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:31:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:31:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:31:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:31:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:31:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:31:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:31:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:31:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:31:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:31:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:31:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-10 01:31:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:31:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:31:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:24,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:31:24,310 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable528 [2021-07-10 01:31:24,310 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:31:24,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:31:24,311 INFO L82 PathProgramCache]: Analyzing trace with hash -1635676910, now seen corresponding path program 29 times [2021-07-10 01:31:24,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:31:24,311 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820751574] [2021-07-10 01:31:24,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:31:24,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:31:24,685 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:31:24,686 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:31:24,686 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820751574] [2021-07-10 01:31:24,686 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820751574] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:31:24,686 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [534734947] [2021-07-10 01:31:24,686 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:31:24,731 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-10 01:31:24,731 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:31:24,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 44 conjunts are in the unsatisfiable core [2021-07-10 01:31:24,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:31:25,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-10 01:31:25,063 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:25,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 01:31:25,066 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:25,068 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:25,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 01:31:25,069 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:25,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 01:31:25,072 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:25,074 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:31:25,075 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:25,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:31:25,077 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:25,103 INFO L628 ElimStorePlain]: treesize reduction 14, result has 69.6 percent of original size [2021-07-10 01:31:25,104 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-10 01:31:25,104 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-07-10 01:31:25,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-10 01:31:25,351 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:25,352 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:25,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 01:31:25,353 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:25,355 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:25,356 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 [2021-07-10 01:31:25,356 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:25,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 01:31:25,359 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:25,374 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-07-10 01:31:25,374 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-10 01:31:25,375 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:31:25,375 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-10 01:31:25,415 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:31:25,415 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [534734947] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:31:25,415 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:31:25,415 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 43 [2021-07-10 01:31:25,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100271614] [2021-07-10 01:31:25,415 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-07-10 01:31:25,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:31:25,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-07-10 01:31:25,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=1694, Unknown=0, NotChecked=0, Total=1806 [2021-07-10 01:31:25,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:31:25,416 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:31:25,416 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) [2021-07-10 01:31:25,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:31:25,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:31:25,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:25,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:25,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:25,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:31:25,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:25,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:31:25,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:25,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:31:25,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:31:25,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:25,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:31:25,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:31:25,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:31:25,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:31:25,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:31:25,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:31:25,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:31:25,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:31:25,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:25,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:31:25,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:31:25,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:25,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:31:25,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:31:25,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:31:25,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:31:25,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:31:25,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-10 01:31:25,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:31:25,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:31:25,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:25,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:31:25,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:31:30,958 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 377 DAG size of output: 296 [2021-07-10 01:31:32,657 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 378 DAG size of output: 297 [2021-07-10 01:31:34,306 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 378 DAG size of output: 297 [2021-07-10 01:31:35,583 WARN L205 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 297 [2021-07-10 01:31:36,859 WARN L205 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 297 [2021-07-10 01:31:38,018 WARN L205 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 279 [2021-07-10 01:31:38,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:31:38,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:31:38,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:31:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:31:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:31:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:31:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:31:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:31:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:31:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:31:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:31:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:31:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:31:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:31:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:31:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:31:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:31:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:31:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:31:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:31:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:31:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-10 01:31:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:31:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:31:38,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:31:38,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:31:38,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:31:38,405 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable544,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:31:38,406 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:31:38,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:31:38,406 INFO L82 PathProgramCache]: Analyzing trace with hash 1047796674, now seen corresponding path program 30 times [2021-07-10 01:31:38,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:31:38,406 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921654497] [2021-07-10 01:31:38,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:31:38,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:31:39,061 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:31:39,061 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:31:39,061 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921654497] [2021-07-10 01:31:39,061 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921654497] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:31:39,061 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [948042665] [2021-07-10 01:31:39,061 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:31:39,104 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-10 01:31:39,105 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:31:39,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 58 conjunts are in the unsatisfiable core [2021-07-10 01:31:39,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:31:39,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:39,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:39,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:39,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:39,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:39,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:39,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:39,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:39,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:39,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:39,953 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:39,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:39,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:39,959 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:39,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 41 [2021-07-10 01:31:39,962 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:39,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:39,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:39,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:39,967 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:39,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:39,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:39,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:39,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:39,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:39,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:39,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:39,973 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:39,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 39 [2021-07-10 01:31:39,979 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:39,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:39,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:39,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:39,984 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:39,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:39,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:39,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:39,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:39,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:39,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:39,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:39,989 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:39,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 49 [2021-07-10 01:31:39,996 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-07-10 01:31:39,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:39,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:40,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:40,000 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:40,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:40,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:40,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:40,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:40,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:40,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:40,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:31:40,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 47 [2021-07-10 01:31:40,006 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:40,047 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:31:40,052 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. [2021-07-10 01:31:40,053 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:313, output treesize:125 [2021-07-10 01:31:40,949 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 21=[array_0]} [2021-07-10 01:31:40,954 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:40,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-07-10 01:31:40,955 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:40,959 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:40,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-07-10 01:31:40,960 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:40,964 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:40,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:31:40,965 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:40,969 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:40,969 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 17 treesize of output 13 [2021-07-10 01:31:40,970 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:40,974 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:40,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-10 01:31:40,975 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:40,979 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:40,979 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 26 treesize of output 20 [2021-07-10 01:31:40,980 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:40,983 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:40,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-07-10 01:31:40,985 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:40,989 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:40,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-07-10 01:31:40,989 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:40,993 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:40,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-07-10 01:31:40,994 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:40,998 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:40,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:31:40,998 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:41,002 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:41,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:31:41,003 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:41,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:31:41,007 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:41,161 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 52 [2021-07-10 01:31:41,162 INFO L628 ElimStorePlain]: treesize reduction 95, result has 62.3 percent of original size [2021-07-10 01:31:41,166 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:41,166 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:41,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-07-10 01:31:41,167 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:41,170 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:41,171 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:41,171 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 10 treesize of output 5 [2021-07-10 01:31:41,171 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:41,175 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:41,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-07-10 01:31:41,175 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:41,237 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:31:41,241 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-07-10 01:31:41,241 INFO L247 ElimStorePlain]: Needed 16 recursive calls to eliminate 8 variables, input treesize:395, output treesize:76 [2021-07-10 01:31:41,373 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:31:41,373 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [948042665] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:31:41,373 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:31:41,374 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 38 [2021-07-10 01:31:41,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623572431] [2021-07-10 01:31:41,374 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-07-10 01:31:41,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:31:41,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-07-10 01:31:41,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=1302, Unknown=0, NotChecked=0, Total=1406 [2021-07-10 01:31:41,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:31:41,374 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:31:41,375 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 1.3421052631578947) internal successors, (51), 38 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:31:41,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:31:41,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:31:41,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:41,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:41,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:41,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:31:41,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:41,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:31:41,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:41,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:31:41,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:31:41,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:41,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:31:41,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:31:41,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:31:41,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:31:41,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:31:41,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:31:41,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:31:41,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:31:41,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:41,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:31:41,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:31:41,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:41,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:31:41,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:31:41,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:31:41,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:31:41,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:31:41,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-10 01:31:41,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:31:41,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:31:41,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:31:41,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:31:41,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:31:41,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:31:42,946 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 99 [2021-07-10 01:31:44,654 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 99 [2021-07-10 01:31:48,247 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 59 [2021-07-10 01:31:48,703 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 98 [2021-07-10 01:31:49,127 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 109 [2021-07-10 01:31:49,408 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 116 [2021-07-10 01:31:49,668 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 110 [2021-07-10 01:31:49,963 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 117 [2021-07-10 01:31:50,221 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 110 [2021-07-10 01:31:50,501 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 117 [2021-07-10 01:31:50,763 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 110 [2021-07-10 01:31:51,044 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 117 [2021-07-10 01:31:51,299 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 110 [2021-07-10 01:31:51,579 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 117 [2021-07-10 01:31:51,874 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 110 [2021-07-10 01:31:52,406 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 162 [2021-07-10 01:31:52,679 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2021-07-10 01:31:53,522 WARN L205 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 260 [2021-07-10 01:31:54,349 WARN L205 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 260 [2021-07-10 01:31:55,210 WARN L205 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 262 [2021-07-10 01:31:56,049 WARN L205 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 261 [2021-07-10 01:31:57,157 WARN L205 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 246 [2021-07-10 01:31:57,505 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 68 [2021-07-10 01:31:58,034 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2021-07-10 01:31:58,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:31:58,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:31:58,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:58,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:58,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:58,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:31:58,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:58,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:31:58,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:58,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:31:58,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:31:58,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:58,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:31:58,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:31:58,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:31:58,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:31:58,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:31:58,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:31:58,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:31:58,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:31:58,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:58,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:31:58,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:31:58,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:58,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:31:58,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:31:58,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:31:58,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:31:58,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:31:58,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-07-10 01:31:58,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:31:58,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:31:58,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:31:58,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:31:58,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:31:58,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-07-10 01:31:58,332 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable552 [2021-07-10 01:31:58,333 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:31:58,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:31:58,333 INFO L82 PathProgramCache]: Analyzing trace with hash 1825092818, now seen corresponding path program 31 times [2021-07-10 01:31:58,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:31:58,333 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674080416] [2021-07-10 01:31:58,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:31:58,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:31:58,652 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:31:58,652 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:31:58,652 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674080416] [2021-07-10 01:31:58,652 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674080416] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:31:58,652 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1390441485] [2021-07-10 01:31:58,652 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:31:58,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:31:58,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-10 01:31:58,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:31:58,947 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:58,947 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:58,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2021-07-10 01:31:58,948 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:58,951 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:58,951 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:58,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-10 01:31:58,960 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:58,962 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:58,963 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 15 treesize of output 11 [2021-07-10 01:31:58,963 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:59,009 INFO L628 ElimStorePlain]: treesize reduction 28, result has 68.2 percent of original size [2021-07-10 01:31:59,011 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-07-10 01:31:59,011 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:115, output treesize:60 [2021-07-10 01:31:59,627 INFO L446 ElimStorePlain]: Different costs {0=[array_4, v_prenex_165], 4=[array_0, v_prenex_164]} [2021-07-10 01:31:59,633 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 36 treesize of output 26 [2021-07-10 01:31:59,634 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:59,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 34 [2021-07-10 01:31:59,638 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:59,680 INFO L628 ElimStorePlain]: treesize reduction 83, result has 44.7 percent of original size [2021-07-10 01:31:59,681 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 36 [2021-07-10 01:31:59,683 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-07-10 01:31:59,698 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:31:59,698 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-07-10 01:31:59,700 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:59,700 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:59,701 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 11 treesize of output 3 [2021-07-10 01:31:59,701 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:59,703 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:31:59,703 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 21 treesize of output 7 [2021-07-10 01:31:59,704 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:31:59,710 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:31:59,722 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:31:59,723 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 01:31:59,723 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:206, output treesize:18 [2021-07-10 01:31:59,757 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:31:59,757 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1390441485] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:31:59,757 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:31:59,757 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 33 [2021-07-10 01:31:59,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097607563] [2021-07-10 01:31:59,758 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-10 01:31:59,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:31:59,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-10 01:31:59,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=968, Unknown=0, NotChecked=0, Total=1056 [2021-07-10 01:31:59,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:31:59,759 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:31:59,759 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 1.393939393939394) internal successors, (46), 33 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:31:59,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:31:59,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:31:59,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:59,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:59,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:31:59,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:31:59,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:59,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:31:59,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:59,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:31:59,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:31:59,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:31:59,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:31:59,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:31:59,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:31:59,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:31:59,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:31:59,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:31:59,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:31:59,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:31:59,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:59,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:31:59,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:31:59,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:31:59,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:31:59,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:31:59,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:31:59,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:31:59,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:31:59,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2021-07-10 01:31:59,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:31:59,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:31:59,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:31:59,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:31:59,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:31:59,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2021-07-10 01:31:59,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:32:02,192 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 70 [2021-07-10 01:32:02,385 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 76 [2021-07-10 01:32:02,589 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 81 [2021-07-10 01:32:03,378 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 63 [2021-07-10 01:32:03,815 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 58 [2021-07-10 01:32:04,817 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 57 [2021-07-10 01:32:05,080 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 64 [2021-07-10 01:32:05,449 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 58 [2021-07-10 01:32:05,748 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 65 [2021-07-10 01:32:06,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:32:06,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:32:06,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:06,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:06,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:06,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:32:06,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:32:06,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:32:06,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:32:06,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:32:06,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:32:06,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:32:06,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:32:06,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:32:06,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:32:06,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:32:06,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:32:06,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:32:06,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:32:06,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:32:06,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:32:06,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:32:06,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:32:06,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:32:06,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:32:06,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:32:06,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:32:06,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:32:06,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:32:06,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-07-10 01:32:06,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:32:06,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:32:06,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:32:06,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:32:06,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:32:06,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-10 01:32:06,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:32:06,477 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable586 [2021-07-10 01:32:06,477 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:32:06,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:32:06,477 INFO L82 PathProgramCache]: Analyzing trace with hash 1148152690, now seen corresponding path program 32 times [2021-07-10 01:32:06,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:32:06,477 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279311007] [2021-07-10 01:32:06,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:32:06,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:32:06,779 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:32:06,779 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:32:06,779 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279311007] [2021-07-10 01:32:06,779 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279311007] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:32:06,779 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1798957414] [2021-07-10 01:32:06,779 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:32:06,825 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 01:32:06,826 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:32:06,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 44 conjunts are in the unsatisfiable core [2021-07-10 01:32:06,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:32:06,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:32:06,938 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:06,940 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 15 treesize of output 11 [2021-07-10 01:32:06,940 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:06,954 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:32:06,955 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:32:06,955 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-10 01:32:07,127 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:07,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:32:07,128 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:07,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:32:07,130 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:07,145 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 01:32:07,145 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-10 01:32:07,146 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:32:07,146 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 01:32:07,175 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:32:07,175 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1798957414] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:32:07,175 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:32:07,175 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 30 [2021-07-10 01:32:07,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903534377] [2021-07-10 01:32:07,175 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-10 01:32:07,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:32:07,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-10 01:32:07,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=795, Unknown=0, NotChecked=0, Total=870 [2021-07-10 01:32:07,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:32:07,176 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:32:07,176 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 1.4) internal successors, (42), 30 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:32:07,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:32:07,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:32:07,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:07,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:07,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:07,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:32:07,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:32:07,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:32:07,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:32:07,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:32:07,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:32:07,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:32:07,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:32:07,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:32:07,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:32:07,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:32:07,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:32:07,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:32:07,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:32:07,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:32:07,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:32:07,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:32:07,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:32:07,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:32:07,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:32:07,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:32:07,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:32:07,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:32:07,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:32:07,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-07-10 01:32:07,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:32:07,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:32:07,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:32:07,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:32:07,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:32:07,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-10 01:32:07,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:32:07,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:32:08,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:32:08,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:32:08,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:08,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:08,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:08,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:32:08,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:32:08,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:32:08,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:32:08,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:32:08,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:32:08,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:32:08,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:32:08,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:32:08,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:32:08,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:32:08,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:32:08,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:32:08,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:32:08,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:32:08,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:32:08,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:32:08,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:32:08,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:32:08,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:32:08,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:32:08,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:32:08,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:32:08,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:32:08,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-07-10 01:32:08,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:32:08,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:32:08,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:32:08,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:32:08,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:32:08,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-10 01:32:08,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:32:08,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:32:08,443 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable614,39 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:32:08,443 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:32:08,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:32:08,443 INFO L82 PathProgramCache]: Analyzing trace with hash 1890546756, now seen corresponding path program 33 times [2021-07-10 01:32:08,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:32:08,443 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162283140] [2021-07-10 01:32:08,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:32:08,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:32:09,318 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:32:09,318 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:32:09,319 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162283140] [2021-07-10 01:32:09,319 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162283140] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:32:09,319 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1633618380] [2021-07-10 01:32:09,319 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:32:09,367 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-10 01:32:09,367 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:32:09,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 86 conjunts are in the unsatisfiable core [2021-07-10 01:32:09,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:32:11,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,041 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:11,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,052 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:11,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 56 [2021-07-10 01:32:11,059 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-10 01:32:11,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,071 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:11,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 54 [2021-07-10 01:32:11,077 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:11,323 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 103 [2021-07-10 01:32:11,323 INFO L628 ElimStorePlain]: treesize reduction 36, result has 91.9 percent of original size [2021-07-10 01:32:11,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,337 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:11,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,349 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:11,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 46 [2021-07-10 01:32:11,353 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:11,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,366 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:11,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 48 [2021-07-10 01:32:11,370 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:11,460 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:32:11,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,468 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:11,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,479 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:11,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 48 [2021-07-10 01:32:11,488 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:11,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,492 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:11,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:11,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 46 [2021-07-10 01:32:11,503 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:11,558 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:32:11,564 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 6 dim-0 vars, and 6 xjuncts. [2021-07-10 01:32:11,564 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:553, output treesize:161 [2021-07-10 01:32:12,273 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2021-07-10 01:32:12,581 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-07-10 01:32:13,022 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2021-07-10 01:32:13,465 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2021-07-10 01:32:13,926 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-07-10 01:32:14,037 INFO L446 ElimStorePlain]: Different costs {21=[array_4], 120=[array_0]} [2021-07-10 01:32:14,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,052 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:14,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 49 [2021-07-10 01:32:14,063 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:14,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,077 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:14,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 56 [2021-07-10 01:32:14,096 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:14,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,110 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:14,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 54 [2021-07-10 01:32:14,121 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:14,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,135 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:14,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 54 [2021-07-10 01:32:14,148 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:14,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,162 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:14,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 56 [2021-07-10 01:32:14,176 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2021-07-10 01:32:14,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,189 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:14,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 57 [2021-07-10 01:32:14,213 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2021-07-10 01:32:14,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,236 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:14,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 64 [2021-07-10 01:32:14,247 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2021-07-10 01:32:14,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,261 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:14,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 46 [2021-07-10 01:32:14,271 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:14,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,284 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:14,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 62 [2021-07-10 01:32:14,295 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 4 xjuncts. [2021-07-10 01:32:14,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:14,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 48 [2021-07-10 01:32:14,311 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:14,534 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 99 [2021-07-10 01:32:14,534 INFO L628 ElimStorePlain]: treesize reduction 154, result has 70.3 percent of original size [2021-07-10 01:32:14,539 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:14,539 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:14,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-07-10 01:32:14,540 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:14,545 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:14,545 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:14,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-10 01:32:14,546 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:14,550 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:14,551 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:14,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-10 01:32:14,551 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:14,559 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:32:14,563 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:14,563 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:14,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-07-10 01:32:14,564 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:14,568 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:14,568 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:14,569 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 44 treesize of output 19 [2021-07-10 01:32:14,569 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:14,580 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:32:14,585 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:14,585 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:14,585 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 11 treesize of output 3 [2021-07-10 01:32:14,586 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:14,590 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:14,590 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:14,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-10 01:32:14,591 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:14,638 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:32:14,643 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:14,643 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:14,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-07-10 01:32:14,644 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:14,648 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:14,648 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:14,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-07-10 01:32:14,649 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:14,653 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:14,653 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:14,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2021-07-10 01:32:14,654 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:14,657 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:14,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-07-10 01:32:14,659 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:14,666 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:32:14,763 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:32:14,768 INFO L550 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-07-10 01:32:14,768 INFO L247 ElimStorePlain]: Needed 22 recursive calls to eliminate 12 variables, input treesize:969, output treesize:185 [2021-07-10 01:32:14,975 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2021-07-10 01:32:15,082 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:32:15,083 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1633618380] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:32:15,083 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:32:15,083 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 47 [2021-07-10 01:32:15,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253575407] [2021-07-10 01:32:15,083 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-07-10 01:32:15,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:32:15,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-07-10 01:32:15,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=2045, Unknown=0, NotChecked=0, Total=2162 [2021-07-10 01:32:15,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:32:15,084 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:32:15,084 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 1.2553191489361701) internal successors, (59), 47 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:32:15,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:32:15,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:32:15,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:15,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:15,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:15,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:32:15,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:32:15,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:32:15,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:32:15,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:32:15,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:32:15,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:32:15,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:32:15,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:32:15,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:32:15,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:32:15,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:32:15,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:32:15,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:32:15,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:32:15,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:32:15,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:32:15,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:32:15,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:32:15,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:32:15,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:32:15,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:32:15,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:32:15,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:32:15,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-07-10 01:32:15,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:32:15,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:32:15,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:32:15,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:32:15,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:32:15,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-10 01:32:15,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:32:15,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:32:15,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:32:17,163 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 63 [2021-07-10 01:32:17,507 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 128 [2021-07-10 01:32:17,860 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 132 [2021-07-10 01:32:18,230 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 133 [2021-07-10 01:32:18,617 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 133 [2021-07-10 01:32:18,965 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 133 [2021-07-10 01:32:19,340 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 133 [2021-07-10 01:32:19,854 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 125 [2021-07-10 01:32:20,702 WARN L205 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 130 [2021-07-10 01:32:20,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:32:20,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:32:20,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:20,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:20,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:20,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:32:20,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:32:20,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:32:20,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:32:20,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:32:20,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:32:20,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:32:20,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:32:20,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:32:20,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:32:20,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:32:20,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:32:20,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:32:20,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:32:20,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:32:20,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:32:20,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:32:20,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:32:20,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:32:20,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:32:20,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:32:20,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:32:20,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:32:20,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:32:20,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-07-10 01:32:20,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:32:20,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:32:20,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:32:20,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:32:20,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:32:20,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-10 01:32:20,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:32:20,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:32:20,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:32:21,012 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable617 [2021-07-10 01:32:21,012 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:32:21,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:32:21,012 INFO L82 PathProgramCache]: Analyzing trace with hash -1280228144, now seen corresponding path program 34 times [2021-07-10 01:32:21,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:32:21,012 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205046481] [2021-07-10 01:32:21,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:32:21,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:32:21,612 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:32:21,613 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:32:21,613 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205046481] [2021-07-10 01:32:21,613 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205046481] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:32:21,613 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [370194448] [2021-07-10 01:32:21,613 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:32:21,657 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 01:32:21,657 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:32:21,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 68 conjunts are in the unsatisfiable core [2021-07-10 01:32:21,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:32:22,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,879 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:22,891 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:22,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 55 [2021-07-10 01:32:22,894 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:22,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,909 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:22,922 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:22,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 47 [2021-07-10 01:32:22,925 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:22,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,940 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:22,954 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:22,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 54 [2021-07-10 01:32:22,957 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:22,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:22,973 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:22,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 46 [2021-07-10 01:32:22,975 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:23,043 INFO L628 ElimStorePlain]: treesize reduction 2, result has 97.9 percent of original size [2021-07-10 01:32:23,046 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2021-07-10 01:32:23,046 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:361, output treesize:87 [2021-07-10 01:32:23,745 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 3=[array_0]} [2021-07-10 01:32:23,748 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:23,749 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 24 treesize of output 18 [2021-07-10 01:32:23,749 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:23,753 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:23,753 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 15 treesize of output 11 [2021-07-10 01:32:23,754 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:23,757 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:23,757 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 34 treesize of output 26 [2021-07-10 01:32:23,758 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:23,762 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:23,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-10 01:32:23,763 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:23,766 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:23,766 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 35 treesize of output 27 [2021-07-10 01:32:23,768 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 4 xjuncts. [2021-07-10 01:32:23,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-10 01:32:23,772 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:23,851 INFO L628 ElimStorePlain]: treesize reduction 218, result has 26.4 percent of original size [2021-07-10 01:32:23,854 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:23,854 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:23,855 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 21 treesize of output 7 [2021-07-10 01:32:23,855 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:23,858 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:23,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-10 01:32:23,859 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:23,865 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:32:23,887 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:32:23,889 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:32:23,889 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 4 variables, input treesize:256, output treesize:38 [2021-07-10 01:32:24,015 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:32:24,016 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [370194448] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:32:24,016 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:32:24,016 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 47 [2021-07-10 01:32:24,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899808617] [2021-07-10 01:32:24,016 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-07-10 01:32:24,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:32:24,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-07-10 01:32:24,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=2053, Unknown=0, NotChecked=0, Total=2162 [2021-07-10 01:32:24,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:32:24,017 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:32:24,017 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 1.297872340425532) internal successors, (61), 47 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:32:24,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:32:24,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:32:24,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:24,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:24,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:24,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:32:24,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:32:24,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:32:24,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:32:24,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:32:24,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:32:24,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:32:24,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:32:24,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:32:24,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:32:24,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:32:24,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:32:24,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:32:24,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:32:24,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:32:24,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:32:24,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:32:24,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:32:24,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:32:24,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:32:24,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:32:24,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:32:24,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:32:24,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:32:24,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-07-10 01:32:24,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:32:24,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:32:24,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:32:24,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:32:24,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:32:24,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-10 01:32:24,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:32:24,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:32:24,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:32:24,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:32:29,605 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2021-07-10 01:32:29,909 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 93 [2021-07-10 01:32:30,270 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 95 [2021-07-10 01:32:30,588 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 99 [2021-07-10 01:32:30,885 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 96 [2021-07-10 01:32:31,181 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 99 [2021-07-10 01:32:31,467 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 96 [2021-07-10 01:32:31,760 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 96 [2021-07-10 01:32:32,160 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2021-07-10 01:32:32,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:32:32,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:32:32,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:32,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:32,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:32,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:32:32,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:32:32,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:32:32,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:32:32,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:32:32,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:32:32,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:32:32,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:32:32,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:32:32,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:32:32,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:32:32,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:32:32,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:32:32,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:32:32,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:32:32,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:32:32,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:32:32,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:32:32,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:32:32,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:32:32,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:32:32,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:32:32,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:32:32,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:32:32,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-07-10 01:32:32,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:32:32,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:32:32,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:32:32,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:32:32,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:32:32,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-10 01:32:32,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:32:32,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:32:32,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:32:32,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:32:32,481 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable658,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:32:32,481 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:32:32,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:32:32,481 INFO L82 PathProgramCache]: Analyzing trace with hash -374815066, now seen corresponding path program 35 times [2021-07-10 01:32:32,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:32:32,482 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072259039] [2021-07-10 01:32:32,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:32:32,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:32:32,825 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 7 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:32:32,826 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:32:32,826 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072259039] [2021-07-10 01:32:32,826 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072259039] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:32:32,826 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1531551846] [2021-07-10 01:32:32,826 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:32:32,938 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-10 01:32:32,939 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:32:32,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-10 01:32:32,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:32:33,188 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:33,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:32:33,190 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:33,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-10 01:32:33,192 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:33,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 01:32:33,195 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:33,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 01:32:33,198 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:33,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-10 01:32:33,201 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:33,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 01:32:33,204 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:33,233 INFO L628 ElimStorePlain]: treesize reduction 22, result has 59.3 percent of original size [2021-07-10 01:32:33,233 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-10 01:32:33,233 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-07-10 01:32:33,521 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:33,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:32:33,523 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:33,524 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:33,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 01:32:33,526 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:33,527 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:32:33,528 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:33,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 01:32:33,530 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:33,544 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-07-10 01:32:33,544 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-10 01:32:33,545 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:32:33,545 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-10 01:32:33,583 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 7 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:32:33,583 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1531551846] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:32:33,583 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:32:33,583 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 40 [2021-07-10 01:32:33,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143653869] [2021-07-10 01:32:33,584 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-10 01:32:33,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:32:33,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-10 01:32:33,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=1456, Unknown=0, NotChecked=0, Total=1560 [2021-07-10 01:32:33,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:32:33,584 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:32:33,585 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) [2021-07-10 01:32:33,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:32:33,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:32:33,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:33,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:33,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:33,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:32:33,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:32:33,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:32:33,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:32:33,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:32:33,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:32:33,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:32:33,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:32:33,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:32:33,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:32:33,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:32:33,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:32:33,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:32:33,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:32:33,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:32:33,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:32:33,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:32:33,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:32:33,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:32:33,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:32:33,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:32:33,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:32:33,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:32:33,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:32:33,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-07-10 01:32:33,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:32:33,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:32:33,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:32:33,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:32:33,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:32:33,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-10 01:32:33,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:32:33,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:32:33,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:32:33,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:32:33,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:32:37,602 WARN L205 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 175 [2021-07-10 01:32:39,035 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 190 DAG size of output: 150 [2021-07-10 01:32:40,660 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 235 DAG size of output: 188 [2021-07-10 01:32:41,913 WARN L205 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 192 [2021-07-10 01:32:44,096 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 201 DAG size of output: 162 [2021-07-10 01:32:44,759 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 162 [2021-07-10 01:32:45,428 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 167 [2021-07-10 01:32:45,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:32:45,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:32:45,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:45,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:45,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:45,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:32:45,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:32:45,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:32:45,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:32:45,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:32:45,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:32:45,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:32:45,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:32:45,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:32:45,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:32:45,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:32:45,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:32:45,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:32:45,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:32:45,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:32:45,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:32:45,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:32:45,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:32:45,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:32:45,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:32:45,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:32:45,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:32:45,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:32:45,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:32:45,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-07-10 01:32:45,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:32:45,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:32:45,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:32:45,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:32:45,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:32:45,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-10 01:32:45,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:32:45,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:32:45,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:32:45,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:32:45,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:32:45,759 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable675 [2021-07-10 01:32:45,759 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:32:45,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:32:45,760 INFO L82 PathProgramCache]: Analyzing trace with hash -865040974, now seen corresponding path program 36 times [2021-07-10 01:32:45,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:32:45,760 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591251458] [2021-07-10 01:32:45,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:32:45,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:32:46,300 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:32:46,300 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:32:46,300 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591251458] [2021-07-10 01:32:46,300 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591251458] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:32:46,300 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195928413] [2021-07-10 01:32:46,301 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:32:46,346 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-10 01:32:46,346 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:32:46,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 70 conjunts are in the unsatisfiable core [2021-07-10 01:32:46,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:32:46,791 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 74 [2021-07-10 01:32:47,031 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2021-07-10 01:32:47,318 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2021-07-10 01:32:47,654 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-07-10 01:32:48,045 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 94 [2021-07-10 01:32:48,117 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:48,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:48,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:48,121 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:48,128 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 50 treesize of output 36 [2021-07-10 01:32:48,130 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:48,134 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:48,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:48,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:32:48,135 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 52 treesize of output 38 [2021-07-10 01:32:48,137 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:48,428 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2021-07-10 01:32:48,428 INFO L628 ElimStorePlain]: treesize reduction 69, result has 76.8 percent of original size [2021-07-10 01:32:48,431 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:48,432 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 52 treesize of output 38 [2021-07-10 01:32:48,434 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:48,493 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:32:48,497 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:48,498 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:48,508 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 60 treesize of output 44 [2021-07-10 01:32:48,510 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:48,513 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:48,513 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 62 treesize of output 46 [2021-07-10 01:32:48,516 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2021-07-10 01:32:48,555 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:32:48,561 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-1 vars, End of recursive call: 5 dim-0 vars, and 5 xjuncts. [2021-07-10 01:32:48,561 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:382, output treesize:119 [2021-07-10 01:32:49,381 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 10=[array_0]} [2021-07-10 01:32:49,385 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:49,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-10 01:32:49,386 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:49,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:49,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-07-10 01:32:49,390 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:49,393 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:49,394 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 18 treesize of output 14 [2021-07-10 01:32:49,394 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:49,397 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:49,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-07-10 01:32:49,398 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:49,402 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:49,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 01:32:49,402 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:49,405 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:49,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-07-10 01:32:49,406 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:49,410 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:49,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:32:49,411 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:49,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:32:49,414 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:49,504 INFO L628 ElimStorePlain]: treesize reduction 62, result has 58.7 percent of original size [2021-07-10 01:32:49,507 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:49,508 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:49,508 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 10 treesize of output 5 [2021-07-10 01:32:49,508 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:49,511 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:32:49,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-07-10 01:32:49,512 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-10 01:32:49,547 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:32:49,549 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-10 01:32:49,549 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 6 variables, input treesize:245, output treesize:31 [2021-07-10 01:32:49,660 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:32:49,661 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [195928413] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:32:49,661 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:32:49,661 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 43 [2021-07-10 01:32:49,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512408938] [2021-07-10 01:32:49,661 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-07-10 01:32:49,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:32:49,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-07-10 01:32:49,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=1701, Unknown=0, NotChecked=0, Total=1806 [2021-07-10 01:32:49,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:32:49,662 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:32:49,662 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 1.302325581395349) internal successors, (56), 43 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:32:49,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:32:49,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:32:49,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:49,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:49,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:32:49,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:32:49,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:32:49,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:32:49,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:32:49,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:32:49,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:32:49,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:32:49,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:32:49,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:32:49,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:32:49,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:32:49,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:32:49,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:32:49,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:32:49,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:32:49,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:32:49,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:32:49,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:32:49,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:32:49,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:32:49,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:32:49,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:32:49,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:32:49,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:32:49,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-07-10 01:32:49,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:32:49,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:32:49,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:32:49,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:32:49,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:32:49,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-10 01:32:49,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:32:49,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:32:49,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:32:49,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:32:49,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:32:49,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:32:50,717 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2021-07-10 01:32:51,835 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2021-07-10 01:32:54,673 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 56 [2021-07-10 01:32:54,858 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 55 [2021-07-10 01:32:55,105 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 61 [2021-07-10 01:32:55,387 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 66 [2021-07-10 01:32:55,698 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 71 [2021-07-10 01:32:56,012 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 76 [2021-07-10 01:32:56,286 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2021-07-10 01:32:56,613 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2021-07-10 01:32:56,867 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 99 [2021-07-10 01:32:57,237 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 106 [2021-07-10 01:32:57,602 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 111 [2021-07-10 01:32:57,934 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 111 [2021-07-10 01:32:58,262 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 110 [2021-07-10 01:32:58,578 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 106 [2021-07-10 01:32:58,899 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 111 [2021-07-10 01:32:59,258 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 120 [2021-07-10 01:32:59,720 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 164 [2021-07-10 01:33:00,071 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 99 [2021-07-10 01:33:00,308 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 99 [2021-07-10 01:33:00,556 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 99 [2021-07-10 01:33:00,794 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 99 [2021-07-10 01:33:01,035 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 99 [2021-07-10 01:33:01,293 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 110 [2021-07-10 01:33:01,564 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 94 [2021-07-10 01:33:01,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:33:01,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:33:01,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:01,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:01,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:01,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:33:01,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:01,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:33:01,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:01,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:33:01,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:33:01,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:01,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:33:01,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:33:01,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:33:01,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:01,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:33:01,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:33:01,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:33:01,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:01,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:33:01,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:01,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:33:01,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:33:01,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:01,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:33:01,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:33:01,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:33:01,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:33:01,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-07-10 01:33:01,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:33:01,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:01,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:33:01,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:33:01,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:33:01,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-10 01:33:01,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:33:01,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:33:01,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:01,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:33:01,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:33:01,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:33:02,091 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable683,43 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:33:02,092 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:33:02,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:33:02,092 INFO L82 PathProgramCache]: Analyzing trace with hash -832903194, now seen corresponding path program 37 times [2021-07-10 01:33:02,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:33:02,092 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869319254] [2021-07-10 01:33:02,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:33:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:33:02,410 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:33:02,411 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:33:02,411 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869319254] [2021-07-10 01:33:02,411 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869319254] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:33:02,411 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1293460093] [2021-07-10 01:33:02,411 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:33:02,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:33:02,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 59 conjunts are in the unsatisfiable core [2021-07-10 01:33:02,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:33:02,715 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:02,716 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:02,716 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 24 treesize of output 18 [2021-07-10 01:33:02,717 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:02,719 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:02,720 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:02,720 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 15 treesize of output 11 [2021-07-10 01:33:02,721 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:02,723 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:02,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-10 01:33:02,724 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:02,769 INFO L628 ElimStorePlain]: treesize reduction 34, result has 63.8 percent of original size [2021-07-10 01:33:02,771 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-07-10 01:33:02,771 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:115, output treesize:60 [2021-07-10 01:33:03,468 INFO L446 ElimStorePlain]: Different costs {0=[array_4, v_prenex_213], 5=[array_0, v_prenex_212]} [2021-07-10 01:33:03,477 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 [2021-07-10 01:33:03,479 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:03,481 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 [2021-07-10 01:33:03,483 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:03,534 INFO L628 ElimStorePlain]: treesize reduction 90, result has 45.1 percent of original size [2021-07-10 01:33:03,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 41 [2021-07-10 01:33:03,538 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-07-10 01:33:03,555 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:33:03,555 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-07-10 01:33:03,557 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:03,558 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:03,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-10 01:33:03,559 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:03,560 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:03,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-10 01:33:03,561 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:03,568 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:33:03,582 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:33:03,583 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 01:33:03,583 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:234, output treesize:18 [2021-07-10 01:33:03,628 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:33:03,629 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1293460093] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:33:03,629 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:33:03,629 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22] total 38 [2021-07-10 01:33:03,629 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914160021] [2021-07-10 01:33:03,629 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-07-10 01:33:03,629 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:33:03,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-07-10 01:33:03,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=1306, Unknown=0, NotChecked=0, Total=1406 [2021-07-10 01:33:03,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:33:03,630 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:33:03,630 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 1.3421052631578947) internal successors, (51), 38 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:33:03,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:33:03,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:33:03,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:03,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:03,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:03,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:33:03,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:03,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:33:03,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:03,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:33:03,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:33:03,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:03,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:33:03,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:33:03,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:33:03,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:03,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:33:03,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:33:03,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:33:03,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:03,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:33:03,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:03,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:33:03,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:33:03,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:03,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:33:03,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:33:03,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:33:03,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:33:03,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-07-10 01:33:03,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:33:03,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:03,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:33:03,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:33:03,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:33:03,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-10 01:33:03,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:33:03,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:33:03,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:03,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:33:03,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:33:03,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:33:03,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:33:06,795 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 70 [2021-07-10 01:33:07,096 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 76 [2021-07-10 01:33:07,337 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 80 [2021-07-10 01:33:07,584 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 86 [2021-07-10 01:33:07,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:33:07,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:33:07,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:07,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:07,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:07,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:33:07,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:07,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:33:07,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:07,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:33:07,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:33:07,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:07,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:33:07,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:33:07,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:33:07,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:07,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:33:07,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:33:07,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:33:07,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:07,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:33:07,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:07,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:33:07,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:33:07,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:07,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:33:07,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:33:07,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:33:07,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:33:07,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-07-10 01:33:07,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:33:07,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:07,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:33:07,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:33:07,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:33:07,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-10 01:33:07,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:33:07,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:33:07,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:07,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:33:07,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:33:07,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:33:07,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-10 01:33:08,008 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable733,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:33:08,009 INFO L430 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:33:08,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:33:08,009 INFO L82 PathProgramCache]: Analyzing trace with hash 607356496, now seen corresponding path program 38 times [2021-07-10 01:33:08,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:33:08,009 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042598993] [2021-07-10 01:33:08,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:33:08,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:33:08,259 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:33:08,259 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:33:08,259 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042598993] [2021-07-10 01:33:08,259 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042598993] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:33:08,259 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1026732926] [2021-07-10 01:33:08,259 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:33:08,301 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 01:33:08,301 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:33:08,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 44 conjunts are in the unsatisfiable core [2021-07-10 01:33:08,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:33:08,409 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:08,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:33:08,410 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:08,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:33:08,413 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:08,426 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:33:08,427 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:33:08,427 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-10 01:33:08,591 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:08,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 01:33:08,593 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:08,594 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:08,595 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 16 treesize of output 12 [2021-07-10 01:33:08,595 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:08,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 01:33:08,598 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:08,599 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:33:08,600 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:08,615 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-07-10 01:33:08,615 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-10 01:33:08,615 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:33:08,615 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-10 01:33:08,646 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:33:08,646 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1026732926] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:33:08,646 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:33:08,646 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 30 [2021-07-10 01:33:08,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789496246] [2021-07-10 01:33:08,646 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-10 01:33:08,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:33:08,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-10 01:33:08,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=795, Unknown=0, NotChecked=0, Total=870 [2021-07-10 01:33:08,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:33:08,647 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:33:08,647 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 1.4) internal successors, (42), 30 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:33:08,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:33:08,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:33:08,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:08,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:08,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:08,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:33:08,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:08,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:33:08,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:08,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:33:08,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:33:08,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:08,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:33:08,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:33:08,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:33:08,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:08,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:33:08,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:33:08,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:33:08,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:08,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:33:08,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:08,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:33:08,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:33:08,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:08,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:33:08,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:33:08,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:33:08,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:33:08,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-07-10 01:33:08,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:33:08,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:08,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:33:08,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:33:08,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:33:08,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-10 01:33:08,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:33:08,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:33:08,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:08,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:33:08,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:33:08,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:33:08,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-10 01:33:08,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:33:11,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:33:11,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:33:11,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:11,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:11,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:11,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:33:11,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:11,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:33:11,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:11,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:33:11,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:33:11,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:11,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:33:11,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:33:11,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:33:11,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:11,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:33:11,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:33:11,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:33:11,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:11,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:33:11,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:11,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:33:11,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:33:11,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:11,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:33:11,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:33:11,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:33:11,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:33:11,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-07-10 01:33:11,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:33:11,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:11,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:33:11,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:33:11,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:33:11,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2021-07-10 01:33:11,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:33:11,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:33:11,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:11,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:33:11,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:33:11,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:33:11,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-10 01:33:11,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:33:11,333 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable765 [2021-07-10 01:33:11,333 INFO L430 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:33:11,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:33:11,334 INFO L82 PathProgramCache]: Analyzing trace with hash -342618894, now seen corresponding path program 39 times [2021-07-10 01:33:11,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:33:11,334 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352893551] [2021-07-10 01:33:11,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:33:11,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:33:11,565 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 01:33:11,566 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:33:11,566 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352893551] [2021-07-10 01:33:11,566 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352893551] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:33:11,566 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [591890429] [2021-07-10 01:33:11,566 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:33:11,659 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-10 01:33:11,659 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:33:11,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 39 conjunts are in the unsatisfiable core [2021-07-10 01:33:11,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:33:11,945 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:11,945 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:11,946 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 15 treesize of output 11 [2021-07-10 01:33:11,946 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:11,948 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:11,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:33:11,949 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:11,968 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:33:11,970 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-07-10 01:33:11,970 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:63, output treesize:49 [2021-07-10 01:33:12,226 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:12,226 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:12,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:33:12,227 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:12,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-10 01:33:12,230 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:12,232 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:12,232 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:12,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 01:33:12,233 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:12,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 01:33:12,236 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:12,257 INFO L628 ElimStorePlain]: treesize reduction 30, result has 38.8 percent of original size [2021-07-10 01:33:12,257 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-10 01:33:12,258 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:33:12,258 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:87, output treesize:13 [2021-07-10 01:33:12,291 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 5 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:33:12,291 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [591890429] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:33:12,291 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:33:12,292 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 34 [2021-07-10 01:33:12,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339334917] [2021-07-10 01:33:12,292 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-10 01:33:12,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:33:12,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-10 01:33:12,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=1028, Unknown=0, NotChecked=0, Total=1122 [2021-07-10 01:33:12,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:33:12,293 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:33:12,293 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.4705882352941178) internal successors, (50), 34 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:33:12,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:33:12,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:33:12,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:12,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:12,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:12,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:33:12,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:12,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:33:12,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:12,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:33:12,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:33:12,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:12,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:33:12,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:33:12,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:33:12,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:12,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:33:12,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:33:12,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:33:12,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:12,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:33:12,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:12,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:33:12,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:33:12,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:12,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:33:12,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:33:12,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:33:12,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:33:12,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-07-10 01:33:12,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:33:12,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:12,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:33:12,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:33:12,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:33:12,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2021-07-10 01:33:12,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:33:12,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:33:12,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:12,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:33:12,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:33:12,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:33:12,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-10 01:33:12,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:33:12,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:33:19,288 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 66 [2021-07-10 01:33:20,034 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 67 [2021-07-10 01:33:20,701 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 67 [2021-07-10 01:33:21,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:33:21,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:33:21,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:21,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:21,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:21,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:33:21,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:21,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:33:21,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:21,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:33:21,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:33:21,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:21,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:33:21,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:33:21,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:33:21,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:21,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:33:21,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:33:21,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:33:21,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:21,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:33:21,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:21,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:33:21,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:33:21,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:21,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:33:21,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:33:21,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:33:21,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:33:21,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:33:21,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:33:21,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:21,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:33:21,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:33:21,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:33:21,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2021-07-10 01:33:21,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:33:21,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:33:21,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:21,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:33:21,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:33:21,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-07-10 01:33:21,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 01:33:21,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:33:21,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:33:21,551 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable771 [2021-07-10 01:33:21,551 INFO L430 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:33:21,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:33:21,552 INFO L82 PathProgramCache]: Analyzing trace with hash -1308481662, now seen corresponding path program 40 times [2021-07-10 01:33:21,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:33:21,552 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142293950] [2021-07-10 01:33:21,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:33:21,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:33:21,871 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:33:21,871 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:33:21,871 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142293950] [2021-07-10 01:33:21,871 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142293950] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:33:21,871 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [879336163] [2021-07-10 01:33:21,871 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:33:21,917 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 01:33:21,917 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:33:21,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-10 01:33:21,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:33:22,020 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:22,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:33:22,091 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:22,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:33:22,093 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:22,106 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:33:22,107 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:33:22,107 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-10 01:33:22,315 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:22,315 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 16 treesize of output 12 [2021-07-10 01:33:22,316 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:22,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:33:22,318 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:22,332 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 01:33:22,332 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-10 01:33:22,332 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:33:22,332 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 01:33:22,363 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:33:22,363 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [879336163] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:33:22,363 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:33:22,363 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 34 [2021-07-10 01:33:22,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007042184] [2021-07-10 01:33:22,363 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-10 01:33:22,363 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:33:22,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-10 01:33:22,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=1036, Unknown=0, NotChecked=0, Total=1122 [2021-07-10 01:33:22,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:33:22,364 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:33:22,364 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 34 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:33:22,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:33:22,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:33:22,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:22,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:22,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:22,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:33:22,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:22,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:33:22,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:22,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:33:22,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:33:22,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:22,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:33:22,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:33:22,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:33:22,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:22,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:33:22,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:33:22,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:33:22,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:22,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:33:22,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:22,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:33:22,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:33:22,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:22,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:33:22,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:33:22,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:33:22,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:33:22,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:33:22,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:33:22,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:22,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:33:22,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:33:22,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:33:22,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2021-07-10 01:33:22,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:33:22,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:33:22,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:22,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:33:22,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:33:22,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-07-10 01:33:22,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-10 01:33:22,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:33:22,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:33:22,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:33:23,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:33:23,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:33:23,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:23,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:23,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:23,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:33:23,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:23,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:33:23,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:23,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:33:23,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:33:23,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:23,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:33:23,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:33:23,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:33:23,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:23,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:33:23,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:33:23,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:33:23,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:23,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:33:23,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:23,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:33:23,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:33:23,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:23,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:33:23,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:33:23,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:33:23,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:33:23,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:33:23,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:33:23,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:23,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:33:23,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:33:23,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:33:23,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2021-07-10 01:33:23,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:33:23,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:33:23,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:23,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:33:23,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:33:23,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-07-10 01:33:23,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 01:33:23,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:33:23,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:33:23,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:24,171 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable780 [2021-07-10 01:33:24,171 INFO L430 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:33:24,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:33:24,171 INFO L82 PathProgramCache]: Analyzing trace with hash -1250674124, now seen corresponding path program 41 times [2021-07-10 01:33:24,171 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:33:24,171 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846915324] [2021-07-10 01:33:24,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:33:24,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:33:25,228 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:33:25,228 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:33:25,228 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846915324] [2021-07-10 01:33:25,229 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846915324] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:33:25,229 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104135074] [2021-07-10 01:33:25,229 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:33:25,282 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-10 01:33:25,282 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:33:25,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 95 conjunts are in the unsatisfiable core [2021-07-10 01:33:25,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:33:26,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,913 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:26,931 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:26,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 61 [2021-07-10 01:33:26,934 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:26,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:26,954 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:26,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 63 [2021-07-10 01:33:26,957 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-10 01:33:27,023 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:33:27,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,043 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:27,060 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:27,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 53 [2021-07-10 01:33:27,062 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:27,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:27,081 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:27,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 55 [2021-07-10 01:33:27,083 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:27,115 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:33:27,120 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-07-10 01:33:27,120 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:383, output treesize:107 [2021-07-10 01:33:27,812 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-07-10 01:33:28,134 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-07-10 01:33:28,541 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-07-10 01:33:29,020 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-07-10 01:33:29,535 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2021-07-10 01:33:30,073 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-07-10 01:33:30,178 INFO L446 ElimStorePlain]: Different costs {28=[array_4], 136=[array_0]} [2021-07-10 01:33:30,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,202 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:30,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 61 [2021-07-10 01:33:30,212 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:30,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,238 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:30,247 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 94 treesize of output 64 [2021-07-10 01:33:30,250 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-10 01:33:30,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,279 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:30,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 61 [2021-07-10 01:33:30,291 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:30,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,324 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:30,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 55 [2021-07-10 01:33:30,336 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:30,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,365 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:30,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 56 [2021-07-10 01:33:30,376 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:30,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,401 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:30,409 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 103 treesize of output 71 [2021-07-10 01:33:30,412 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2021-07-10 01:33:30,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,438 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:30,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 63 [2021-07-10 01:33:30,449 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:30,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,474 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:30,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 69 [2021-07-10 01:33:30,485 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 4 xjuncts. [2021-07-10 01:33:30,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,511 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:30,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 53 [2021-07-10 01:33:30,522 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:30,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:30,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 63 [2021-07-10 01:33:30,543 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2021-07-10 01:33:30,798 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 96 [2021-07-10 01:33:30,798 INFO L628 ElimStorePlain]: treesize reduction 146, result has 71.4 percent of original size [2021-07-10 01:33:30,804 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:30,804 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:30,805 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 [2021-07-10 01:33:30,805 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:30,810 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:30,810 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:30,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-07-10 01:33:30,811 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:30,816 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:30,816 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:30,817 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 12 treesize of output 5 [2021-07-10 01:33:30,817 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:30,826 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:33:30,831 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:30,831 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:30,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-10 01:33:30,832 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:30,836 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:30,837 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:30,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-10 01:33:30,838 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:30,846 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:33:30,851 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:30,851 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:30,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-07-10 01:33:30,852 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:30,856 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:30,857 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:30,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 19 [2021-07-10 01:33:30,858 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:30,862 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:30,862 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:30,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-07-10 01:33:30,863 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:30,875 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:33:30,880 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:30,880 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:30,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-07-10 01:33:30,881 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:30,885 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:30,885 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:30,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-10 01:33:30,886 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:30,890 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:30,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-10 01:33:30,891 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:30,899 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:33:30,997 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:33:31,002 INFO L550 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-07-10 01:33:31,002 INFO L247 ElimStorePlain]: Needed 22 recursive calls to eliminate 12 variables, input treesize:1071, output treesize:185 [2021-07-10 01:33:31,291 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2021-07-10 01:33:31,418 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:33:31,419 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [104135074] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:33:31,419 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:33:31,419 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 27] total 53 [2021-07-10 01:33:31,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271662546] [2021-07-10 01:33:31,419 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-07-10 01:33:31,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:33:31,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-07-10 01:33:31,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=2631, Unknown=0, NotChecked=0, Total=2756 [2021-07-10 01:33:31,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:33:31,420 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:33:31,420 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 1.2264150943396226) internal successors, (65), 53 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:33:31,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:33:31,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:33:31,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:31,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:31,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:31,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:33:31,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:31,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:33:31,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:31,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:33:31,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:33:31,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:31,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:33:31,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:33:31,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:33:31,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:31,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:33:31,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:33:31,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:33:31,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:31,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:33:31,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:31,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:33:31,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:33:31,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:31,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:33:31,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:33:31,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:33:31,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:33:31,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:33:31,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:33:31,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:31,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:33:31,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:33:31,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:33:31,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2021-07-10 01:33:31,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:33:31,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:33:31,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:31,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:33:31,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:33:31,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-07-10 01:33:31,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-10 01:33:31,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:33:31,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:33:31,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:31,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:33:34,106 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2021-07-10 01:33:34,591 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 118 [2021-07-10 01:33:34,876 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 121 [2021-07-10 01:33:35,200 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 121 [2021-07-10 01:33:35,523 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 121 [2021-07-10 01:33:35,845 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 121 [2021-07-10 01:33:36,167 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 121 [2021-07-10 01:33:36,494 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 121 [2021-07-10 01:33:37,076 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 127 [2021-07-10 01:33:37,915 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 137 [2021-07-10 01:33:38,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:33:38,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:33:38,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:38,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:38,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:38,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:33:38,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:38,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:33:38,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:38,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:33:38,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:33:38,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:38,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:33:38,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:33:38,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:33:38,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:38,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:33:38,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:33:38,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:33:38,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:38,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:33:38,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:38,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:33:38,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:33:38,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:38,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:33:38,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:33:38,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:33:38,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:33:38,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:33:38,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:33:38,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:38,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:33:38,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:33:38,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:33:38,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2021-07-10 01:33:38,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:33:38,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:33:38,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:38,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:33:38,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:33:38,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-07-10 01:33:38,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 01:33:38,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:33:38,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:33:38,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:38,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:33:38,244 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable783,48 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:33:38,244 INFO L430 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:33:38,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:33:38,244 INFO L82 PathProgramCache]: Analyzing trace with hash 555459172, now seen corresponding path program 42 times [2021-07-10 01:33:38,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:33:38,245 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558770103] [2021-07-10 01:33:38,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:33:38,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:33:39,048 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:33:39,048 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:33:39,049 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558770103] [2021-07-10 01:33:39,049 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558770103] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:33:39,049 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1951076524] [2021-07-10 01:33:39,049 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:33:39,099 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-10 01:33:39,100 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:33:39,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 76 conjunts are in the unsatisfiable core [2021-07-10 01:33:39,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:33:39,920 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-07-10 01:33:41,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,052 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:41,069 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:41,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 53 [2021-07-10 01:33:41,076 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:41,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,093 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:41,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,109 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:41,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 53 [2021-07-10 01:33:41,116 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:41,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,138 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:41,158 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:41,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 54 [2021-07-10 01:33:41,162 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:41,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,179 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:41,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,197 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:41,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 54 [2021-07-10 01:33:41,204 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:41,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,218 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:41,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,235 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:41,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 62 [2021-07-10 01:33:41,243 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:41,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,256 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:41,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:33:41,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 61 [2021-07-10 01:33:41,266 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:41,372 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2021-07-10 01:33:41,372 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.5 percent of original size [2021-07-10 01:33:41,376 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2021-07-10 01:33:41,376 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:589, output treesize:125 [2021-07-10 01:33:42,308 INFO L446 ElimStorePlain]: Different costs {0=[array_4, v_prenex_246], 1=[array_0, v_prenex_245]} [2021-07-10 01:33:42,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 01:33:42,312 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:42,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:33:42,314 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:42,342 INFO L628 ElimStorePlain]: treesize reduction 59, result has 43.8 percent of original size [2021-07-10 01:33:42,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-07-10 01:33:42,345 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-07-10 01:33:42,359 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:33:42,359 INFO L518 ElimStorePlain]: Eliminatee array_0 vanished before elimination [2021-07-10 01:33:42,361 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:42,361 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:42,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-10 01:33:42,362 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:42,363 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:42,363 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 21 treesize of output 7 [2021-07-10 01:33:42,364 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:42,369 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:33:42,381 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:33:42,382 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 01:33:42,382 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:119, output treesize:18 [2021-07-10 01:33:42,436 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:33:42,436 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1951076524] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:33:42,436 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:33:42,436 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 54 [2021-07-10 01:33:42,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260427178] [2021-07-10 01:33:42,437 INFO L462 AbstractCegarLoop]: Interpolant automaton has 54 states [2021-07-10 01:33:42,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:33:42,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2021-07-10 01:33:42,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=2727, Unknown=0, NotChecked=0, Total=2862 [2021-07-10 01:33:42,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:33:42,438 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:33:42,438 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 54 states, 54 states have (on average 1.2407407407407407) internal successors, (67), 54 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:33:42,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:33:42,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:33:42,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:42,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:42,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:42,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:33:42,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:42,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:33:42,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:42,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:33:42,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:33:42,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:42,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:33:42,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:33:42,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:33:42,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:42,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:33:42,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:33:42,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:33:42,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:42,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:33:42,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:42,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:33:42,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:33:42,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:42,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:33:42,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:33:42,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:33:42,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:33:42,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:33:42,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:33:42,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:42,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:33:42,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:33:42,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:33:42,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2021-07-10 01:33:42,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:33:42,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:33:42,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:42,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:33:42,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:33:42,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-07-10 01:33:42,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-10 01:33:42,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:33:42,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:33:42,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:42,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:33:42,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:33:45,171 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2021-07-10 01:33:45,714 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2021-07-10 01:33:46,106 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 141 [2021-07-10 01:33:46,496 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 141 [2021-07-10 01:33:46,857 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 140 [2021-07-10 01:33:47,282 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 140 [2021-07-10 01:33:47,742 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 134 [2021-07-10 01:33:48,151 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 140 [2021-07-10 01:33:48,624 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 109 [2021-07-10 01:33:49,065 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 97 [2021-07-10 01:33:49,639 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 104 [2021-07-10 01:33:50,124 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 102 [2021-07-10 01:33:50,620 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 102 [2021-07-10 01:33:51,174 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 102 [2021-07-10 01:33:51,650 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 102 [2021-07-10 01:33:52,126 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 102 [2021-07-10 01:33:52,630 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 106 [2021-07-10 01:33:53,122 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 114 [2021-07-10 01:33:53,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:33:53,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:33:53,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:53,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:53,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:53,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:33:53,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:53,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:33:53,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:53,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:33:53,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:33:53,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:53,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:33:53,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:33:53,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:33:53,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:53,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:33:53,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:33:53,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:33:53,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:53,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:33:53,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:53,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:33:53,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:33:53,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:53,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:33:53,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:33:53,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:33:53,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:33:53,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:33:53,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:33:53,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:53,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:33:53,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:33:53,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:33:53,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2021-07-10 01:33:53,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:33:53,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:33:53,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:53,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:33:53,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:33:53,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-07-10 01:33:53,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 01:33:53,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:33:53,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:33:53,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:53,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:33:53,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:33:53,461 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable823,49 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:33:53,462 INFO L430 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:33:53,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:33:53,462 INFO L82 PathProgramCache]: Analyzing trace with hash 696916882, now seen corresponding path program 43 times [2021-07-10 01:33:53,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:33:53,462 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017046748] [2021-07-10 01:33:53,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:33:53,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:33:53,909 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 8 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:33:53,910 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:33:53,910 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017046748] [2021-07-10 01:33:53,910 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017046748] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:33:53,910 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [895876282] [2021-07-10 01:33:53,910 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:33:53,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:33:53,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 56 conjunts are in the unsatisfiable core [2021-07-10 01:33:53,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:33:54,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 01:33:54,276 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:54,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-10 01:33:54,279 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:54,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 01:33:54,282 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:54,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-10 01:33:54,285 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:54,287 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:54,287 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 [2021-07-10 01:33:54,288 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:54,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:33:54,290 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:54,319 INFO L628 ElimStorePlain]: treesize reduction 22, result has 59.3 percent of original size [2021-07-10 01:33:54,320 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-10 01:33:54,320 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-07-10 01:33:54,618 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:54,619 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 [2021-07-10 01:33:54,620 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:54,622 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 [2021-07-10 01:33:54,622 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:54,624 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:33:54,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:33:54,625 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:54,627 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:33:54,627 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:33:54,642 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-07-10 01:33:54,642 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-10 01:33:54,642 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:33:54,642 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-10 01:33:54,685 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 8 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:33:54,686 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [895876282] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:33:54,686 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:33:54,686 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 45 [2021-07-10 01:33:54,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193319803] [2021-07-10 01:33:54,686 INFO L462 AbstractCegarLoop]: Interpolant automaton has 45 states [2021-07-10 01:33:54,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:33:54,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-07-10 01:33:54,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1862, Unknown=0, NotChecked=0, Total=1980 [2021-07-10 01:33:54,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:33:54,687 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:33:54,687 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) [2021-07-10 01:33:54,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:33:54,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:33:54,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:54,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:54,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:33:54,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:33:54,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:54,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:33:54,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:54,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:33:54,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:33:54,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:33:54,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:33:54,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:33:54,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:33:54,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:54,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:33:54,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:33:54,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:33:54,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:54,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:33:54,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:54,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:33:54,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:33:54,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:54,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:33:54,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:33:54,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:33:54,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:33:54,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:33:54,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:33:54,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:33:54,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:33:54,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:33:54,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:33:54,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2021-07-10 01:33:54,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:33:54,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:33:54,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:54,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:33:54,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:33:54,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-07-10 01:33:54,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-10 01:33:54,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:33:54,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:33:54,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:33:54,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:33:54,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:33:54,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:33:58,630 WARN L205 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 194 [2021-07-10 01:33:59,715 WARN L205 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 161 [2021-07-10 01:34:00,858 WARN L205 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 203 [2021-07-10 01:34:02,071 WARN L205 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 174 [2021-07-10 01:34:03,584 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 241 DAG size of output: 215 [2021-07-10 01:34:05,073 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 206 DAG size of output: 180 [2021-07-10 01:34:05,928 WARN L205 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 166 [2021-07-10 01:34:06,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:34:06,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:34:06,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:34:06,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:34:06,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:34:06,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:34:06,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:34:06,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:34:06,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:34:06,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:34:06,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:34:06,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:34:06,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:34:06,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:34:06,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:34:06,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:34:06,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:34:06,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:34:06,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:34:06,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:34:06,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:34:06,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:06,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:34:06,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:34:06,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:06,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:34:06,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:34:06,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:34:06,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:34:06,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:34:06,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:34:06,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:34:06,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:34:06,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:34:06,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:34:06,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2021-07-10 01:34:06,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:34:06,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:34:06,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:06,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:34:06,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:34:06,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-07-10 01:34:06,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 01:34:06,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:34:06,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:34:06,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:06,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:34:06,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:34:06,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:34:06,306 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable845,50 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:34:06,306 INFO L430 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:34:06,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:34:06,307 INFO L82 PathProgramCache]: Analyzing trace with hash 541359554, now seen corresponding path program 44 times [2021-07-10 01:34:06,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:34:06,307 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068834408] [2021-07-10 01:34:06,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:34:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:34:06,872 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:34:06,872 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:34:06,872 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068834408] [2021-07-10 01:34:06,872 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068834408] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:34:06,872 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1029513484] [2021-07-10 01:34:06,872 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 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:34:06,925 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 01:34:06,925 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:34:06,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 76 conjunts are in the unsatisfiable core [2021-07-10 01:34:06,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:34:07,420 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:07,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 51 [2021-07-10 01:34:07,431 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-10 01:34:07,439 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:07,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 41 [2021-07-10 01:34:07,449 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:07,456 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:07,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 43 [2021-07-10 01:34:07,466 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:07,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 49 [2021-07-10 01:34:07,471 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:07,501 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:34:07,502 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-10 01:34:07,502 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:281, output treesize:101 [2021-07-10 01:34:08,172 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:08,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:34:08,173 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:08,177 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:08,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:34:08,178 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:08,181 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:08,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-07-10 01:34:08,182 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:08,185 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:34:08,186 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:08,189 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:08,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-07-10 01:34:08,190 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:08,194 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:08,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-10 01:34:08,195 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:08,198 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:34:08,198 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:08,202 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:08,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-07-10 01:34:08,202 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:08,205 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:34:08,206 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:08,209 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:34:08,209 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:08,212 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:34:08,212 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:08,215 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:34:08,215 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:08,217 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:34:08,218 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:08,220 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:34:08,220 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:08,268 INFO L628 ElimStorePlain]: treesize reduction 45, result has 57.9 percent of original size [2021-07-10 01:34:08,270 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:08,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-07-10 01:34:08,271 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:08,273 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 10 treesize of output 5 [2021-07-10 01:34:08,274 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:08,291 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:34:08,291 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-07-10 01:34:08,291 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 2 variables, input treesize:377, output treesize:46 [2021-07-10 01:34:08,396 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:34:08,396 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1029513484] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:34:08,396 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:34:08,396 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 46 [2021-07-10 01:34:08,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719028455] [2021-07-10 01:34:08,396 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-07-10 01:34:08,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:34:08,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-07-10 01:34:08,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=1936, Unknown=0, NotChecked=0, Total=2070 [2021-07-10 01:34:08,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:34:08,397 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:34:08,397 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 46 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:34:08,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:34:08,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:34:08,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:34:08,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:34:08,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:34:08,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:34:08,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:34:08,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:34:08,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:34:08,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:34:08,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:34:08,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:34:08,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:34:08,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:34:08,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:34:08,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:34:08,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:34:08,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:34:08,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:34:08,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:34:08,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:34:08,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:08,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:34:08,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:34:08,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:08,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:34:08,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:34:08,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:34:08,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:34:08,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:34:08,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:34:08,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:34:08,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:34:08,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:34:08,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:34:08,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2021-07-10 01:34:08,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:34:08,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:34:08,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:08,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:34:08,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:34:08,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-07-10 01:34:08,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-10 01:34:08,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:34:08,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:34:08,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:08,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:34:08,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:34:08,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:34:08,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:34:09,649 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 116 [2021-07-10 01:34:10,918 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 116 [2021-07-10 01:34:14,849 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2021-07-10 01:34:15,079 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2021-07-10 01:34:15,250 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2021-07-10 01:34:15,423 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2021-07-10 01:34:15,611 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2021-07-10 01:34:15,807 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2021-07-10 01:34:15,986 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2021-07-10 01:34:16,166 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2021-07-10 01:34:16,387 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 72 [2021-07-10 01:34:16,762 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 138 [2021-07-10 01:34:17,853 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 109 [2021-07-10 01:34:17,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:34:17,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:34:17,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:34:17,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:34:17,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:34:17,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:34:17,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:34:17,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:34:17,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:34:17,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:34:17,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:34:17,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:34:17,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:34:17,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:34:17,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:34:17,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:34:17,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:34:17,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:34:17,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:34:17,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:34:17,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:34:17,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:17,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:34:17,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:34:17,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:17,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:34:17,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:34:17,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:34:17,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:34:17,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:34:17,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:34:17,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:34:17,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:34:17,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:34:17,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:34:17,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2021-07-10 01:34:17,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:34:17,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:34:17,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:17,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:34:17,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:34:17,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-07-10 01:34:17,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 01:34:17,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:34:17,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:34:17,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:17,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:34:17,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:34:17,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:34:17,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-10 01:34:18,176 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable854 [2021-07-10 01:34:18,176 INFO L430 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:34:18,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:34:18,176 INFO L82 PathProgramCache]: Analyzing trace with hash -465669294, now seen corresponding path program 45 times [2021-07-10 01:34:18,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:34:18,177 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80949854] [2021-07-10 01:34:18,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:34:18,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:34:18,643 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:34:18,643 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:34:18,643 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80949854] [2021-07-10 01:34:18,644 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80949854] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:34:18,644 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [404015071] [2021-07-10 01:34:18,644 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:34:18,692 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-10 01:34:18,692 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:34:18,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 67 conjunts are in the unsatisfiable core [2021-07-10 01:34:18,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:34:18,983 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:18,983 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:18,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:34:18,984 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:18,986 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:18,986 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 17 treesize of output 13 [2021-07-10 01:34:18,987 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:19,001 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:34:19,002 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-07-10 01:34:19,003 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:51, output treesize:37 [2021-07-10 01:34:19,862 INFO L446 ElimStorePlain]: Different costs {21=[array_4], 28=[array_0]} [2021-07-10 01:34:19,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,873 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:19,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 46 [2021-07-10 01:34:19,882 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:19,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,892 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:19,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 54 [2021-07-10 01:34:19,901 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:19,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,911 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:19,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 48 [2021-07-10 01:34:19,920 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:19,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:19,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 56 [2021-07-10 01:34:19,931 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-07-10 01:34:20,005 INFO L628 ElimStorePlain]: treesize reduction 38, result has 72.7 percent of original size [2021-07-10 01:34:20,007 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:20,008 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:20,008 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 9 treesize of output 3 [2021-07-10 01:34:20,008 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:20,011 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:20,011 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:20,011 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 [2021-07-10 01:34:20,012 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:20,014 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:20,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-10 01:34:20,015 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:20,020 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:34:20,049 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:34:20,051 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 01:34:20,051 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:369, output treesize:55 [2021-07-10 01:34:20,151 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:34:20,151 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [404015071] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:34:20,151 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:34:20,151 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 42 [2021-07-10 01:34:20,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043830450] [2021-07-10 01:34:20,152 INFO L462 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-07-10 01:34:20,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:34:20,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-07-10 01:34:20,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=1608, Unknown=0, NotChecked=0, Total=1722 [2021-07-10 01:34:20,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:34:20,153 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:34:20,153 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 42 states, 42 states have (on average 1.3333333333333333) internal successors, (56), 42 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:34:20,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:34:20,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:34:20,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:34:20,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:34:20,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:34:20,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:34:20,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:34:20,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:34:20,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:34:20,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:34:20,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:34:20,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:34:20,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:34:20,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:34:20,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:34:20,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:34:20,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:34:20,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:34:20,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:34:20,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:34:20,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:34:20,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:20,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:34:20,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:34:20,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:20,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:34:20,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:34:20,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:34:20,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:34:20,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:34:20,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:34:20,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:34:20,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:34:20,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:34:20,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:34:20,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2021-07-10 01:34:20,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:34:20,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:34:20,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:20,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:34:20,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:34:20,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2021-07-10 01:34:20,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-10 01:34:20,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:34:20,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:34:20,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:20,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:34:20,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:34:20,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:34:20,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-10 01:34:20,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:34:22,674 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 71 [2021-07-10 01:34:23,036 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 76 [2021-07-10 01:34:23,360 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 97 [2021-07-10 01:34:23,731 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 86 [2021-07-10 01:34:23,929 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-07-10 01:34:24,686 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2021-07-10 01:34:24,920 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2021-07-10 01:34:25,158 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2021-07-10 01:34:25,416 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2021-07-10 01:34:25,676 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 93 [2021-07-10 01:34:25,961 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 101 [2021-07-10 01:34:26,264 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2021-07-10 01:34:26,595 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 89 [2021-07-10 01:34:29,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:34:29,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:34:29,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:34:29,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:34:29,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:34:29,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:34:29,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:34:29,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:34:29,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:34:29,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:34:29,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:34:29,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:34:29,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:34:29,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:34:29,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:34:29,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:34:29,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:34:29,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:34:29,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:34:29,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:34:29,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:34:29,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:29,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:34:29,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:34:29,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:29,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:34:29,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:34:29,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:34:29,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:34:29,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:34:29,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:34:29,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:34:29,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:34:29,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:34:29,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:34:29,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2021-07-10 01:34:29,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:34:29,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:34:29,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:29,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:34:29,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:34:29,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-07-10 01:34:29,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 01:34:29,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:34:29,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:34:29,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:29,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:34:29,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:34:29,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:34:29,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-10 01:34:29,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 01:34:30,085 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable875 [2021-07-10 01:34:30,085 INFO L430 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:34:30,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:34:30,085 INFO L82 PathProgramCache]: Analyzing trace with hash 1662466150, now seen corresponding path program 46 times [2021-07-10 01:34:30,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:34:30,085 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430771265] [2021-07-10 01:34:30,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:34:30,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:34:30,651 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:34:30,651 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:34:30,651 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430771265] [2021-07-10 01:34:30,652 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430771265] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:34:30,652 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1900357703] [2021-07-10 01:34:30,652 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:34:30,697 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 01:34:30,698 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:34:30,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 76 conjunts are in the unsatisfiable core [2021-07-10 01:34:30,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:34:30,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:34:30,844 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:30,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 01:34:30,846 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:30,853 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:34:30,854 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:34:30,854 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:39, output treesize:25 [2021-07-10 01:34:31,351 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:31,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 51 [2021-07-10 01:34:31,361 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-10 01:34:31,369 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:31,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 49 [2021-07-10 01:34:31,379 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:31,387 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:31,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 41 [2021-07-10 01:34:31,397 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:31,399 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:34:31,400 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:31,440 INFO L628 ElimStorePlain]: treesize reduction 32, result has 65.2 percent of original size [2021-07-10 01:34:31,442 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:31,443 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 21 treesize of output 7 [2021-07-10 01:34:31,443 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:31,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-10 01:34:31,446 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:31,452 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:34:31,470 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:34:31,471 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:34:31,471 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:293, output treesize:38 [2021-07-10 01:34:31,571 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:34:31,571 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1900357703] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:34:31,571 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:34:31,572 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28] total 39 [2021-07-10 01:34:31,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970917668] [2021-07-10 01:34:31,572 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-07-10 01:34:31,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:34:31,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-07-10 01:34:31,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=1382, Unknown=0, NotChecked=0, Total=1482 [2021-07-10 01:34:31,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:34:31,573 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:34:31,573 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 1.358974358974359) internal successors, (53), 39 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:34:31,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:34:31,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:34:31,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:34:31,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:34:31,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:34:31,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:34:31,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:34:31,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:34:31,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:34:31,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:34:31,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:34:31,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:34:31,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:34:31,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:34:31,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:34:31,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:34:31,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:34:31,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:34:31,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:34:31,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:34:31,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:34:31,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:31,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:34:31,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:34:31,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:31,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:34:31,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:34:31,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:34:31,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:34:31,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:34:31,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:34:31,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:34:31,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:34:31,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:34:31,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:34:31,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2021-07-10 01:34:31,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:34:31,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:34:31,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:31,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:34:31,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:34:31,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2021-07-10 01:34:31,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-10 01:34:31,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:34:31,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:34:31,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:31,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:34:31,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:34:31,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:34:31,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-10 01:34:31,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 01:34:31,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:34:33,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:34:33,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:34:33,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:34:33,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:34:33,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:34:33,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:34:33,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:34:33,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:34:33,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:34:33,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:34:33,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:34:33,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:34:33,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:34:33,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:34:33,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:34:33,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:34:33,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:34:33,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:34:33,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:34:33,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:34:33,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:34:33,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:33,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:34:33,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:34:33,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:33,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:34:33,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:34:33,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:34:33,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:34:33,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:34:33,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:34:33,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:34:33,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:34:33,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:34:33,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:34:33,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2021-07-10 01:34:33,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:34:33,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:34:33,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:33,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:34:33,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:34:33,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-07-10 01:34:33,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 01:34:33,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:34:33,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:34:33,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:33,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:34:33,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:34:33,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:34:33,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-10 01:34:33,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 01:34:33,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:34:33,965 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable899 [2021-07-10 01:34:33,965 INFO L430 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:34:33,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:34:33,966 INFO L82 PathProgramCache]: Analyzing trace with hash 668494450, now seen corresponding path program 47 times [2021-07-10 01:34:33,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:34:33,966 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329563009] [2021-07-10 01:34:33,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:34:34,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:34:34,426 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:34:34,426 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:34:34,426 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329563009] [2021-07-10 01:34:34,426 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329563009] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:34:34,426 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2116176720] [2021-07-10 01:34:34,426 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:34:34,485 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-10 01:34:34,485 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:34:34,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 56 conjunts are in the unsatisfiable core [2021-07-10 01:34:34,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:34:34,633 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:34,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:34:34,634 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:34,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:34:34,636 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:34,648 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:34:34,649 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:34:34,649 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-10 01:34:34,907 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:34,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:34:34,908 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:34,909 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 15 treesize of output 11 [2021-07-10 01:34:34,910 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:34,924 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 01:34:34,924 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-10 01:34:34,925 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:34:34,925 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 01:34:34,958 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:34:34,958 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2116176720] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:34:34,959 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:34:34,959 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 38 [2021-07-10 01:34:34,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553415946] [2021-07-10 01:34:34,959 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-07-10 01:34:34,959 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:34:34,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-07-10 01:34:34,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1309, Unknown=0, NotChecked=0, Total=1406 [2021-07-10 01:34:34,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:34:34,960 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:34:34,960 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 38 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:34:34,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:34:34,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:34:34,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:34:34,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:34:34,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:34:34,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:34:34,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:34:34,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:34:34,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:34:34,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:34:34,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:34:34,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:34:34,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:34:34,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:34:34,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:34:34,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:34:34,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:34:34,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:34:34,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:34:34,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:34:34,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:34:34,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:34,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:34:34,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:34:34,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:34,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:34:34,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:34:34,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:34:34,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:34:34,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:34:34,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:34:34,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:34:34,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:34:34,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:34:34,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:34:34,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2021-07-10 01:34:34,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:34:34,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:34:34,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:34,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:34:34,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:34:34,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2021-07-10 01:34:34,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-10 01:34:34,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:34:34,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:34:34,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:34,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:34:34,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:34:34,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:34:34,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-10 01:34:34,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 01:34:34,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:34:34,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:34:37,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:34:37,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:34:37,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:34:37,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:34:37,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:34:37,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:34:37,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:34:37,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:34:37,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:34:37,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:34:37,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:34:37,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:34:37,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:34:37,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:34:37,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:34:37,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:34:37,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:34:37,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:34:37,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:34:37,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:34:37,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:34:37,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:37,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:34:37,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:34:37,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:37,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:34:37,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:34:37,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:34:37,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:34:37,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:34:37,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:34:37,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:34:37,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:34:37,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:34:37,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:34:37,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2021-07-10 01:34:37,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:34:37,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:34:37,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:37,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:34:37,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:34:37,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-07-10 01:34:37,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 01:34:37,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:34:37,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:34:37,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:37,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:34:37,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:34:37,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:34:37,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-10 01:34:37,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 01:34:37,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:34:37,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:34:37,219 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable914 [2021-07-10 01:34:37,220 INFO L430 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:34:37,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:34:37,220 INFO L82 PathProgramCache]: Analyzing trace with hash -93956796, now seen corresponding path program 48 times [2021-07-10 01:34:37,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:34:37,220 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601771388] [2021-07-10 01:34:37,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:34:37,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:34:38,210 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:34:38,211 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:34:38,211 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601771388] [2021-07-10 01:34:38,211 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601771388] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:34:38,211 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1347239618] [2021-07-10 01:34:38,211 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:34:38,262 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-10 01:34:38,262 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:34:38,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 107 conjunts are in the unsatisfiable core [2021-07-10 01:34:38,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:34:40,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,186 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:40,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,205 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:40,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 68 [2021-07-10 01:34:40,219 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:40,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,232 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:40,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 70 [2021-07-10 01:34:40,246 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-10 01:34:40,318 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:34:40,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,343 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:40,365 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:40,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 62 [2021-07-10 01:34:40,369 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:40,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:40,392 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:40,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 60 [2021-07-10 01:34:40,396 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:40,471 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:34:40,475 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-07-10 01:34:40,475 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:427, output treesize:107 [2021-07-10 01:34:41,175 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-07-10 01:34:41,498 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-07-10 01:34:41,851 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-07-10 01:34:42,285 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-07-10 01:34:42,761 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-07-10 01:34:43,288 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-07-10 01:34:43,966 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-07-10 01:34:44,099 INFO L446 ElimStorePlain]: Different costs {36=[array_4], 78=[array_0]} [2021-07-10 01:34:44,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,126 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:44,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 68 [2021-07-10 01:34:44,142 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:44,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,172 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:44,187 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 [2021-07-10 01:34:44,190 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:44,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,220 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:44,238 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 [2021-07-10 01:34:44,241 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-07-10 01:34:44,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,271 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:44,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 60 [2021-07-10 01:34:44,287 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:44,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,315 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:44,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 68 [2021-07-10 01:34:44,330 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:44,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,361 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:44,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 70 [2021-07-10 01:34:44,379 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:44,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,407 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:44,421 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 [2021-07-10 01:34:44,423 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2021-07-10 01:34:44,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,454 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:44,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 62 [2021-07-10 01:34:44,471 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:44,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,500 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:44,513 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 [2021-07-10 01:34:44,517 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 4 xjuncts. [2021-07-10 01:34:44,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:44,566 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 104 treesize of output 70 [2021-07-10 01:34:44,569 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2021-07-10 01:34:44,836 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 84 [2021-07-10 01:34:44,836 INFO L628 ElimStorePlain]: treesize reduction 146, result has 71.4 percent of original size [2021-07-10 01:34:44,841 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:44,842 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:44,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-07-10 01:34:44,842 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:44,847 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:44,847 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:44,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-07-10 01:34:44,848 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:44,852 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:44,852 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:44,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-07-10 01:34:44,853 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:44,857 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:44,857 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:44,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 19 [2021-07-10 01:34:44,858 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:44,869 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:34:44,873 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:44,873 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:44,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-10 01:34:44,874 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:44,877 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:44,878 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:44,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-10 01:34:44,878 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:44,885 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:34:44,889 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:44,890 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:44,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-10 01:34:44,890 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:44,894 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:44,894 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:44,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-10 01:34:44,895 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:44,902 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:34:44,905 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:44,905 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:44,906 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 20 treesize of output 9 [2021-07-10 01:34:44,906 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:44,910 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:44,910 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:44,910 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 12 treesize of output 5 [2021-07-10 01:34:44,911 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:44,914 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:44,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-07-10 01:34:44,914 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:44,921 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:34:45,011 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:34:45,015 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-07-10 01:34:45,016 INFO L247 ElimStorePlain]: Needed 22 recursive calls to eliminate 7 variables, input treesize:1181, output treesize:185 [2021-07-10 01:34:45,220 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2021-07-10 01:34:45,333 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:34:45,333 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1347239618] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:34:45,333 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:34:45,334 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 30] total 59 [2021-07-10 01:34:45,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612239374] [2021-07-10 01:34:45,334 INFO L462 AbstractCegarLoop]: Interpolant automaton has 59 states [2021-07-10 01:34:45,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:34:45,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2021-07-10 01:34:45,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=3236, Unknown=0, NotChecked=0, Total=3422 [2021-07-10 01:34:45,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:34:45,335 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:34:45,335 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 59 states, 59 states have (on average 1.2033898305084745) internal successors, (71), 59 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:34:45,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:34:45,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:34:45,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:34:45,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:34:45,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:34:45,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:34:45,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:34:45,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:34:45,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:34:45,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:34:45,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:34:45,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:34:45,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:34:45,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:34:45,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:34:45,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:34:45,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:34:45,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:34:45,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:34:45,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:34:45,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:34:45,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:45,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:34:45,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:34:45,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:45,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:34:45,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:34:45,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:34:45,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:34:45,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:34:45,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:34:45,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:34:45,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:34:45,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:34:45,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:34:45,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2021-07-10 01:34:45,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:34:45,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:34:45,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:45,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:34:45,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:34:45,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2021-07-10 01:34:45,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-10 01:34:45,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:34:45,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:34:45,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:45,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:34:45,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:34:45,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:34:45,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-10 01:34:45,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 01:34:45,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:34:45,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:34:45,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:34:48,199 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 103 [2021-07-10 01:34:48,438 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 103 [2021-07-10 01:34:49,598 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 103 [2021-07-10 01:34:49,879 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 103 [2021-07-10 01:34:50,154 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 102 [2021-07-10 01:34:51,138 WARN L205 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 110 [2021-07-10 01:34:51,780 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 113 [2021-07-10 01:34:51,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:34:51,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:34:51,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:34:51,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:34:51,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:34:51,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:34:51,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:34:51,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:34:51,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:34:51,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:34:51,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:34:51,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:34:51,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:34:51,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:34:51,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:34:51,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:34:51,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:34:51,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:34:51,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:34:51,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:34:51,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:34:51,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:51,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:34:51,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:34:51,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:51,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:34:51,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:34:51,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:34:51,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:34:51,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:34:51,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:34:51,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:34:51,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:34:51,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:34:51,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:34:51,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2021-07-10 01:34:51,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:34:51,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:34:51,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:51,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:34:51,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:34:51,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-07-10 01:34:51,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 01:34:51,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:34:51,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:34:51,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:51,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:34:51,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:34:51,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:34:51,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-10 01:34:51,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 01:34:51,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:34:51,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:34:51,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:34:52,128 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable917,55 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:34:52,129 INFO L430 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:34:52,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:34:52,129 INFO L82 PathProgramCache]: Analyzing trace with hash -1818020784, now seen corresponding path program 49 times [2021-07-10 01:34:52,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:34:52,129 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353215534] [2021-07-10 01:34:52,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:34:52,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:34:52,852 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:34:52,852 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:34:52,852 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353215534] [2021-07-10 01:34:52,852 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353215534] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:34:52,852 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [436273177] [2021-07-10 01:34:52,852 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:34:52,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:34:52,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 86 conjunts are in the unsatisfiable core [2021-07-10 01:34:52,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:34:55,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,123 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:55,144 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:55,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 60 [2021-07-10 01:34:55,147 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:55,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,172 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:55,195 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:55,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 61 [2021-07-10 01:34:55,199 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:55,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,204 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:55,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,222 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:55,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 69 [2021-07-10 01:34:55,244 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:55,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,249 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:55,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:34:55,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 68 [2021-07-10 01:34:55,267 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:55,334 INFO L628 ElimStorePlain]: treesize reduction 2, result has 97.9 percent of original size [2021-07-10 01:34:55,336 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2021-07-10 01:34:55,336 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:449, output treesize:87 [2021-07-10 01:34:56,332 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 3=[array_0]} [2021-07-10 01:34:56,335 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:56,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2021-07-10 01:34:56,336 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:56,339 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:56,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2021-07-10 01:34:56,340 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:56,343 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:56,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-10 01:34:56,344 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:56,347 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:56,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-10 01:34:56,348 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:56,350 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:56,350 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 35 treesize of output 27 [2021-07-10 01:34:56,352 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 4 xjuncts. [2021-07-10 01:34:56,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:34:56,355 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:56,426 INFO L628 ElimStorePlain]: treesize reduction 224, result has 24.3 percent of original size [2021-07-10 01:34:56,429 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:56,429 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:56,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-10 01:34:56,430 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:56,432 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:34:56,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-10 01:34:56,433 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 01:34:56,438 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:34:56,458 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:34:56,459 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:34:56,459 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 4 variables, input treesize:256, output treesize:38 [2021-07-10 01:34:56,600 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:34:56,601 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [436273177] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:34:56,601 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:34:56,601 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 59 [2021-07-10 01:34:56,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315882007] [2021-07-10 01:34:56,601 INFO L462 AbstractCegarLoop]: Interpolant automaton has 59 states [2021-07-10 01:34:56,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:34:56,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2021-07-10 01:34:56,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=3283, Unknown=0, NotChecked=0, Total=3422 [2021-07-10 01:34:56,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:34:56,602 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:34:56,602 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 59 states, 59 states have (on average 1.2372881355932204) internal successors, (73), 59 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:34:56,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:34:56,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:34:56,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:34:56,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:34:56,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:34:56,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:34:56,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:34:56,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:34:56,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:34:56,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:34:56,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:34:56,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:34:56,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:34:56,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:34:56,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:34:56,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:34:56,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:34:56,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:34:56,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:34:56,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:34:56,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:34:56,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:56,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:34:56,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:34:56,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:56,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:34:56,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:34:56,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:34:56,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:34:56,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:34:56,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:34:56,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:34:56,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:34:56,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:34:56,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:34:56,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2021-07-10 01:34:56,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:34:56,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:34:56,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:56,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:34:56,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:34:56,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2021-07-10 01:34:56,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-10 01:34:56,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:34:56,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:34:56,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:34:56,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:34:56,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:34:56,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:34:56,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-10 01:34:56,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 01:34:56,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:34:56,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:34:56,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:34:56,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:35:03,708 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 116 [2021-07-10 01:35:04,018 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 117 [2021-07-10 01:35:04,355 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 117 [2021-07-10 01:35:04,685 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 117 [2021-07-10 01:35:05,075 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 115 [2021-07-10 01:35:05,412 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 117 [2021-07-10 01:35:05,743 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 115 [2021-07-10 01:35:06,083 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 115 [2021-07-10 01:35:06,465 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 107 [2021-07-10 01:35:06,858 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 107 [2021-07-10 01:35:07,405 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 109 [2021-07-10 01:35:07,821 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 113 [2021-07-10 01:35:08,209 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 110 [2021-07-10 01:35:08,608 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 110 [2021-07-10 01:35:08,999 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 110 [2021-07-10 01:35:09,394 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 110 [2021-07-10 01:35:09,764 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 110 [2021-07-10 01:35:10,119 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 110 [2021-07-10 01:35:10,613 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 120 [2021-07-10 01:35:10,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:35:10,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:35:10,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:35:10,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:35:10,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:35:10,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:35:10,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:35:10,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:35:10,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:35:10,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:35:10,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:35:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:35:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:35:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:35:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:35:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:35:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:35:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:35:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:35:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:35:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:35:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:35:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:35:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:35:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:35:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:35:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:35:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:35:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:35:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:35:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:35:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:35:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:35:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:35:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:35:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2021-07-10 01:35:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:35:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:35:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:35:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:35:10,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:35:10,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-07-10 01:35:10,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 01:35:10,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:35:10,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:35:10,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:35:10,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:35:10,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:35:10,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:35:10,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-10 01:35:10,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 01:35:10,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:35:10,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:35:10,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:35:10,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:35:10,990 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable967,56 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:35:10,990 INFO L430 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:35:10,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:35:10,991 INFO L82 PathProgramCache]: Analyzing trace with hash 133482278, now seen corresponding path program 50 times [2021-07-10 01:35:10,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:35:10,991 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809874445] [2021-07-10 01:35:10,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:35:11,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:35:11,650 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 9 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:35:11,650 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:35:11,650 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809874445] [2021-07-10 01:35:11,650 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809874445] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:35:11,650 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679945270] [2021-07-10 01:35:11,650 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:35:11,699 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 01:35:11,699 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:35:11,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 62 conjunts are in the unsatisfiable core [2021-07-10 01:35:11,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:35:12,355 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:35:12,356 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 [2021-07-10 01:35:12,356 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:12,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 01:35:12,359 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:12,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-10 01:35:12,362 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:12,365 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:35:12,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 01:35:12,366 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:12,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 01:35:12,369 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:12,370 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:35:12,371 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:12,399 INFO L628 ElimStorePlain]: treesize reduction 14, result has 69.6 percent of original size [2021-07-10 01:35:12,399 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-10 01:35:12,399 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-07-10 01:35:12,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 01:35:12,879 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:12,881 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:35:12,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:35:12,881 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:12,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-10 01:35:12,884 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:12,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 01:35:12,887 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:12,903 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-07-10 01:35:12,903 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-10 01:35:12,903 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:35:12,903 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-10 01:35:12,957 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 9 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:35:12,957 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [679945270] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:35:12,957 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:35:12,957 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 31] total 61 [2021-07-10 01:35:12,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946877070] [2021-07-10 01:35:12,957 INFO L462 AbstractCegarLoop]: Interpolant automaton has 61 states [2021-07-10 01:35:12,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:35:12,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2021-07-10 01:35:12,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=3507, Unknown=0, NotChecked=0, Total=3660 [2021-07-10 01:35:12,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:35:12,959 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:35:12,959 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 61 states, 61 states have (on average 1.2459016393442623) internal successors, (76), 61 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:35:12,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:35:12,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:35:12,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:35:12,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:35:12,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:35:12,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:35:12,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:35:12,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:35:12,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:35:12,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:35:12,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:35:12,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:35:12,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:35:12,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:35:12,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:35:12,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:35:12,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:35:12,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:35:12,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:35:12,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:35:12,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:35:12,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:35:12,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:35:12,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:35:12,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:35:12,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:35:12,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:35:12,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:35:12,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:35:12,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:35:12,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:35:12,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:35:12,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:35:12,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:35:12,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:35:12,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2021-07-10 01:35:12,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:35:12,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:35:12,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:35:12,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:35:12,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:35:12,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2021-07-10 01:35:12,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-10 01:35:12,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:35:12,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:35:12,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:35:12,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:35:12,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:35:12,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:35:12,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-10 01:35:12,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 01:35:12,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:35:12,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:35:12,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:35:12,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:35:12,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:35:21,246 WARN L205 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 124 [2021-07-10 01:35:22,265 WARN L205 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 128 [2021-07-10 01:35:23,436 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 160 DAG size of output: 132 [2021-07-10 01:35:24,744 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 164 DAG size of output: 136 [2021-07-10 01:35:26,158 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 168 DAG size of output: 140 [2021-07-10 01:35:27,685 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 172 DAG size of output: 144 [2021-07-10 01:35:29,143 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 175 DAG size of output: 147 [2021-07-10 01:35:29,650 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 141 [2021-07-10 01:35:30,129 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 146 [2021-07-10 01:35:30,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:35:30,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:35:30,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:35:30,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:35:30,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:35:30,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:35:30,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:35:30,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:35:30,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:35:30,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:35:30,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:35:30,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:35:30,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:35:30,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:35:30,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:35:30,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:35:30,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:35:30,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:35:30,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:35:30,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:35:30,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:35:30,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:35:30,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:35:30,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:35:30,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:35:30,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:35:30,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:35:30,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:35:30,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:35:30,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:35:30,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:35:30,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:35:30,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:35:30,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:35:30,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:35:30,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2021-07-10 01:35:30,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:35:30,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:35:30,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:35:30,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:35:30,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:35:30,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-07-10 01:35:30,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 01:35:30,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:35:30,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:35:30,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:35:30,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:35:30,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:35:30,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:35:30,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-10 01:35:30,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 01:35:30,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:35:30,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:35:30,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:35:30,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:35:30,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:35:30,492 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 57 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable986 [2021-07-10 01:35:30,493 INFO L430 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:35:30,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:35:30,493 INFO L82 PathProgramCache]: Analyzing trace with hash 2039858354, now seen corresponding path program 51 times [2021-07-10 01:35:30,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:35:30,493 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491826462] [2021-07-10 01:35:30,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:35:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:35:30,955 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 26 [2021-07-10 01:35:31,334 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:35:31,334 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:35:31,334 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491826462] [2021-07-10 01:35:31,334 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491826462] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:35:31,334 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1591161403] [2021-07-10 01:35:31,334 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:35:31,395 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-10 01:35:31,396 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:35:31,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 85 conjunts are in the unsatisfiable core [2021-07-10 01:35:31,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:35:32,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,126 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 104 treesize of output 70 [2021-07-10 01:35:32,130 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-10 01:35:32,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 60 [2021-07-10 01:35:32,172 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:32,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,210 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 94 treesize of output 62 [2021-07-10 01:35:32,212 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:32,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:32,232 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 102 treesize of output 68 [2021-07-10 01:35:32,235 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:32,268 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:35:32,269 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-10 01:35:32,270 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:427, output treesize:107 [2021-07-10 01:35:33,040 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:35:33,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-07-10 01:35:33,042 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:33,045 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:35:33,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:35:33,046 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:33,049 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:35:33,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 01:35:33,050 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:33,053 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:35:33,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-07-10 01:35:33,054 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:33,057 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:35:33,057 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:33,060 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:35:33,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-07-10 01:35:33,061 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:33,064 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:35:33,065 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:33,067 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:35:33,068 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:33,070 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:35:33,071 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:33,074 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:35:33,074 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:33,077 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:35:33,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-10 01:35:33,078 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:33,082 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:35:33,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-07-10 01:35:33,083 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:33,085 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:35:33,086 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:33,088 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 15 treesize of output 11 [2021-07-10 01:35:33,089 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:33,141 INFO L628 ElimStorePlain]: treesize reduction 73, result has 45.9 percent of original size [2021-07-10 01:35:33,143 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:35:33,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-07-10 01:35:33,144 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:33,146 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 20 treesize of output 9 [2021-07-10 01:35:33,146 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:33,163 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:35:33,164 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2021-07-10 01:35:33,164 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 2 variables, input treesize:377, output treesize:46 [2021-07-10 01:35:33,279 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:35:33,279 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1591161403] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:35:33,280 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:35:33,280 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 31] total 51 [2021-07-10 01:35:33,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877272676] [2021-07-10 01:35:33,280 INFO L462 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-07-10 01:35:33,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:35:33,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-07-10 01:35:33,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=2400, Unknown=0, NotChecked=0, Total=2550 [2021-07-10 01:35:33,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:35:33,281 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:35:33,281 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 1.2745098039215685) internal successors, (65), 51 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:35:33,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:35:33,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:35:33,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:35:33,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:35:33,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:35:33,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:35:33,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:35:33,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:35:33,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:35:33,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:35:33,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:35:33,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:35:33,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:35:33,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:35:33,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:35:33,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:35:33,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:35:33,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:35:33,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:35:33,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:35:33,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:35:33,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:35:33,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:35:33,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:35:33,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:35:33,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:35:33,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:35:33,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:35:33,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:35:33,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:35:33,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:35:33,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:35:33,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:35:33,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:35:33,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:35:33,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2021-07-10 01:35:33,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:35:33,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:35:33,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:35:33,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:35:33,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:35:33,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2021-07-10 01:35:33,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-10 01:35:33,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:35:33,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:35:33,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:35:33,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:35:33,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:35:33,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:35:33,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-10 01:35:33,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 01:35:33,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:35:33,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:35:33,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:35:33,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:35:33,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:35:33,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:35:34,812 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 126 [2021-07-10 01:35:36,225 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 126 [2021-07-10 01:35:41,376 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2021-07-10 01:35:41,628 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2021-07-10 01:35:41,819 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2021-07-10 01:35:42,010 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2021-07-10 01:35:42,223 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2021-07-10 01:35:42,435 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2021-07-10 01:35:42,653 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2021-07-10 01:35:42,869 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2021-07-10 01:35:43,083 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2021-07-10 01:35:43,349 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 74 [2021-07-10 01:35:43,863 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 150 [2021-07-10 01:35:45,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:35:45,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:35:45,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:35:45,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:35:45,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:35:45,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:35:45,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:35:45,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:35:45,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:35:45,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:35:45,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:35:45,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:35:45,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:35:45,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:35:45,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:35:45,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:35:45,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:35:45,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:35:45,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:35:45,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:35:45,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:35:45,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:35:45,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:35:45,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:35:45,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:35:45,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:35:45,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:35:45,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:35:45,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:35:45,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:35:45,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:35:45,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:35:45,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:35:45,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:35:45,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:35:45,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2021-07-10 01:35:45,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:35:45,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:35:45,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:35:45,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:35:45,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:35:45,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-07-10 01:35:45,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 01:35:45,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:35:45,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:35:45,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:35:45,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:35:45,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:35:45,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:35:45,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-10 01:35:45,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 01:35:45,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:35:45,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:35:45,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:35:45,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:35:45,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:35:45,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-10 01:35:45,529 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 58 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable994 [2021-07-10 01:35:45,529 INFO L430 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:35:45,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:35:45,529 INFO L82 PathProgramCache]: Analyzing trace with hash 654394832, now seen corresponding path program 52 times [2021-07-10 01:35:45,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:35:45,530 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948471338] [2021-07-10 01:35:45,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:35:45,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:35:45,972 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 8 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:35:45,973 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:35:45,973 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948471338] [2021-07-10 01:35:45,973 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948471338] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:35:45,973 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581545879] [2021-07-10 01:35:45,973 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:35:46,077 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 01:35:46,077 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:35:46,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 56 conjunts are in the unsatisfiable core [2021-07-10 01:35:46,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:35:46,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:35:46,215 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:46,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:35:46,218 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:46,231 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:35:46,231 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:35:46,231 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:51, output treesize:37 [2021-07-10 01:35:46,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 01:35:46,482 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:46,484 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:35:46,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 01:35:46,485 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:46,487 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:35:46,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:35:46,488 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:46,489 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:35:46,490 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:46,505 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-07-10 01:35:46,505 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-10 01:35:46,505 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:35:46,505 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-10 01:35:46,542 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 8 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:35:46,542 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1581545879] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:35:46,542 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:35:46,542 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 38 [2021-07-10 01:35:46,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438073183] [2021-07-10 01:35:46,542 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-07-10 01:35:46,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:35:46,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-07-10 01:35:46,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1309, Unknown=0, NotChecked=0, Total=1406 [2021-07-10 01:35:46,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:35:46,543 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:35:46,543 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 38 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:35:46,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:35:46,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:35:46,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:35:46,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:35:46,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:35:46,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:35:46,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:35:46,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:35:46,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:35:46,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:35:46,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:35:46,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:35:46,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:35:46,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:35:46,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:35:46,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:35:46,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:35:46,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:35:46,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:35:46,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:35:46,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:35:46,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:35:46,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:35:46,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:35:46,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:35:46,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:35:46,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:35:46,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:35:46,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:35:46,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:35:46,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:35:46,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:35:46,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:35:46,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:35:46,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:35:46,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2021-07-10 01:35:46,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:35:46,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:35:46,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:35:46,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:35:46,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:35:46,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2021-07-10 01:35:46,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-10 01:35:46,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:35:46,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:35:46,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:35:46,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:35:46,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:35:46,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:35:46,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-10 01:35:46,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 01:35:46,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:35:46,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:35:46,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:35:46,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:35:46,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:35:46,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-10 01:35:46,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:35:49,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:35:49,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:35:49,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:35:49,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:35:49,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:35:49,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:35:49,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:35:49,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:35:49,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:35:49,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:35:49,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:35:49,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:35:49,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:35:49,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:35:49,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:35:49,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:35:49,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:35:49,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:35:49,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:35:49,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:35:49,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:35:49,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:35:49,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:35:49,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:35:49,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:35:49,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:35:49,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:35:49,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:35:49,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:35:49,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:35:49,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:35:49,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:35:49,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:35:49,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:35:49,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:35:49,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2021-07-10 01:35:49,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:35:49,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:35:49,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:35:49,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:35:49,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:35:49,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2021-07-10 01:35:49,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 01:35:49,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:35:49,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:35:49,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:35:49,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:35:49,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:35:49,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:35:49,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-07-10 01:35:49,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 01:35:49,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 01:35:49,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:35:49,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:35:49,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:35:49,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:35:49,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-10 01:35:49,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:35:49,616 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1016 [2021-07-10 01:35:49,617 INFO L430 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:35:49,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:35:49,617 INFO L82 PathProgramCache]: Analyzing trace with hash -1769153550, now seen corresponding path program 53 times [2021-07-10 01:35:49,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:35:49,617 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029995159] [2021-07-10 01:35:49,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:35:49,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:35:49,986 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 7 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:35:49,986 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:35:49,987 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029995159] [2021-07-10 01:35:49,987 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029995159] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:35:49,987 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1191927041] [2021-07-10 01:35:49,987 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 60 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:35:50,036 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-10 01:35:50,037 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:35:50,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 51 conjunts are in the unsatisfiable core [2021-07-10 01:35:50,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:35:50,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:35:50,157 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:50,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:35:50,159 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:50,173 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:35:50,174 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:35:50,174 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:51, output treesize:37 [2021-07-10 01:35:50,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2021-07-10 01:35:50,376 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:50,378 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:35:50,379 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 16 treesize of output 12 [2021-07-10 01:35:50,379 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:50,381 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:35:50,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 01:35:50,382 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:50,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 01:35:50,384 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:50,400 INFO L628 ElimStorePlain]: treesize reduction 24, result has 35.1 percent of original size [2021-07-10 01:35:50,400 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-10 01:35:50,401 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:35:50,401 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-10 01:35:50,435 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 7 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:35:50,435 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1191927041] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:35:50,435 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:35:50,435 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 35 [2021-07-10 01:35:50,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825815281] [2021-07-10 01:35:50,436 INFO L462 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-07-10 01:35:50,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:35:50,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-07-10 01:35:50,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=1102, Unknown=0, NotChecked=0, Total=1190 [2021-07-10 01:35:50,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:35:50,436 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:35:50,436 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 35 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 35 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:35:50,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:35:50,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:35:50,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:35:50,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:35:50,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:35:50,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:35:50,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:35:50,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:35:50,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:35:50,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:35:50,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:35:50,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:35:50,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:35:50,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:35:50,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:35:50,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:35:50,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:35:50,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:35:50,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:35:50,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:35:50,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:35:50,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:35:50,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:35:50,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:35:50,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:35:50,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:35:50,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:35:50,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:35:50,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:35:50,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:35:50,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:35:50,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:35:50,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:35:50,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:35:50,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:35:50,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2021-07-10 01:35:50,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:35:50,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:35:50,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:35:50,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:35:50,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:35:50,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2021-07-10 01:35:50,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-10 01:35:50,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:35:50,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:35:50,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:35:50,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:35:50,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:35:50,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:35:50,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-07-10 01:35:50,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 01:35:50,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 01:35:50,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:35:50,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:35:50,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:35:50,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:35:50,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-10 01:35:50,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:35:50,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:35:56,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:35:56,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:35:56,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:35:56,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:35:56,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:35:56,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:35:56,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:35:56,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:35:56,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:35:56,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:35:56,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:35:56,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:35:56,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:35:56,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:35:56,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:35:56,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:35:56,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:35:56,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:35:56,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:35:56,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:35:56,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:35:56,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:35:56,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:35:56,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:35:56,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:35:56,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:35:56,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:35:56,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:35:56,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:35:56,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:35:56,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:35:56,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:35:56,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:35:56,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:35:56,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:35:56,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2021-07-10 01:35:56,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:35:56,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:35:56,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:35:56,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:35:56,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:35:56,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-07-10 01:35:56,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 01:35:56,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:35:56,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:35:56,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:35:56,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:35:56,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:35:56,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:35:56,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-07-10 01:35:56,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 01:35:56,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:35:56,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:35:56,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:35:56,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:35:56,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:35:56,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:35:56,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-10 01:35:56,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:35:57,189 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 60 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1022 [2021-07-10 01:35:57,195 INFO L430 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:35:57,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:35:57,195 INFO L82 PathProgramCache]: Analyzing trace with hash 1158762962, now seen corresponding path program 54 times [2021-07-10 01:35:57,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:35:57,195 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749487495] [2021-07-10 01:35:57,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:35:57,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:35:57,795 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:35:57,795 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:35:57,795 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749487495] [2021-07-10 01:35:57,795 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749487495] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:35:57,795 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [610141786] [2021-07-10 01:35:57,795 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:35:57,848 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-10 01:35:57,848 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:35:57,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 85 conjunts are in the unsatisfiable core [2021-07-10 01:35:57,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:35:58,266 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:35:58,266 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:35:58,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:35:58,267 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:58,269 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:35:58,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 01:35:58,270 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:58,284 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:35:58,286 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-07-10 01:35:58,286 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:51, output treesize:37 [2021-07-10 01:35:59,519 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-07-10 01:35:59,747 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-07-10 01:35:59,790 INFO L446 ElimStorePlain]: Different costs {36=[array_4], 66=[array_0]} [2021-07-10 01:35:59,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,817 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:35:59,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 68 [2021-07-10 01:35:59,833 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:59,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,861 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:35:59,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 62 [2021-07-10 01:35:59,878 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:59,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,906 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:35:59,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 60 [2021-07-10 01:35:59,923 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:35:59,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:35:59,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 70 [2021-07-10 01:35:59,948 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-07-10 01:36:00,028 INFO L628 ElimStorePlain]: treesize reduction 38, result has 72.7 percent of original size [2021-07-10 01:36:00,031 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:00,032 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:00,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-07-10 01:36:00,033 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:36:00,036 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:00,036 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:00,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-10 01:36:00,037 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:36:00,040 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:00,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-10 01:36:00,041 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 01:36:00,047 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:36:00,080 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:36:00,081 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 01:36:00,082 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 6 variables, input treesize:457, output treesize:55 [2021-07-10 01:36:00,216 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:36:00,216 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [610141786] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:36:00,216 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:36:00,217 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 52 [2021-07-10 01:36:00,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007070050] [2021-07-10 01:36:00,217 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-07-10 01:36:00,217 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:36:00,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-07-10 01:36:00,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=2508, Unknown=0, NotChecked=0, Total=2652 [2021-07-10 01:36:00,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:36:00,217 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:36:00,218 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 1.2692307692307692) internal successors, (66), 52 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:36:00,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:36:00,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:36:00,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:36:00,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:36:00,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:36:00,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:36:00,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:36:00,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:36:00,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:36:00,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:36:00,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:36:00,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:36:00,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:36:00,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:36:00,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:36:00,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:36:00,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:36:00,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:36:00,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:36:00,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:36:00,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:36:00,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:36:00,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:36:00,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:36:00,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:36:00,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:36:00,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:36:00,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:36:00,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:36:00,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:36:00,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:36:00,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:36:00,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:36:00,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:36:00,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:36:00,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2021-07-10 01:36:00,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:36:00,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:36:00,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:36:00,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:36:00,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:36:00,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-07-10 01:36:00,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-10 01:36:00,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:36:00,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:36:00,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:36:00,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:36:00,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:36:00,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:36:00,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-07-10 01:36:00,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 01:36:00,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:36:00,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:36:00,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:36:00,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:36:00,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:36:00,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:36:00,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-10 01:36:00,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:36:00,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:36:03,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:36:03,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:36:03,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:36:03,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:36:03,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:36:03,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:36:03,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:36:03,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:36:03,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:36:03,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:36:03,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:36:03,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:36:03,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:36:03,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:36:03,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:36:03,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:36:03,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:36:03,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:36:03,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:36:03,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:36:03,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:36:03,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:36:03,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:36:03,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:36:03,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:36:03,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:36:03,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:36:03,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:36:03,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:36:03,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:36:03,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:36:03,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:36:03,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:36:03,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:36:03,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:36:03,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2021-07-10 01:36:03,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:36:03,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:36:03,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:36:03,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:36:03,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:36:03,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-07-10 01:36:03,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 01:36:03,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:36:03,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:36:03,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:36:03,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:36:03,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:36:03,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:36:03,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-07-10 01:36:03,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 01:36:03,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:36:03,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:36:03,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:36:03,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:36:03,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:36:03,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:36:03,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-10 01:36:03,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:36:03,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:36:03,624 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 61 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1029 [2021-07-10 01:36:03,625 INFO L430 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:36:03,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:36:03,625 INFO L82 PathProgramCache]: Analyzing trace with hash -1638413950, now seen corresponding path program 55 times [2021-07-10 01:36:03,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:36:03,625 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419297736] [2021-07-10 01:36:03,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:36:03,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:36:04,237 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:36:04,237 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:36:04,237 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419297736] [2021-07-10 01:36:04,237 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419297736] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:36:04,237 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [206757543] [2021-07-10 01:36:04,237 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:36:04,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:36:04,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 62 conjunts are in the unsatisfiable core [2021-07-10 01:36:04,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:36:04,450 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:04,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:36:04,451 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:36:04,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:36:04,453 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:36:04,465 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:36:04,466 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:36:04,466 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-10 01:36:04,774 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:04,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:36:04,775 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:36:04,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:36:04,777 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:36:04,792 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 01:36:04,792 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-10 01:36:04,792 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:36:04,792 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 01:36:04,829 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:36:04,829 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [206757543] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:36:04,829 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:36:04,829 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 42 [2021-07-10 01:36:04,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819794059] [2021-07-10 01:36:04,829 INFO L462 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-07-10 01:36:04,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:36:04,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-07-10 01:36:04,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1614, Unknown=0, NotChecked=0, Total=1722 [2021-07-10 01:36:04,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:36:04,830 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:36:04,830 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 42 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 42 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:36:04,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:36:04,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:36:04,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:36:04,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:36:04,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:36:04,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:36:04,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:36:04,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:36:04,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:36:04,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:36:04,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:36:04,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:36:04,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:36:04,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:36:04,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:36:04,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:36:04,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:36:04,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:36:04,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:36:04,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:36:04,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:36:04,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:36:04,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:36:04,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:36:04,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:36:04,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:36:04,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:36:04,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:36:04,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:36:04,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:36:04,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:36:04,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:36:04,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:36:04,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:36:04,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:36:04,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2021-07-10 01:36:04,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:36:04,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:36:04,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:36:04,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:36:04,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:36:04,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-07-10 01:36:04,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-10 01:36:04,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:36:04,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:36:04,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:36:04,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:36:04,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:36:04,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:36:04,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-07-10 01:36:04,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 01:36:04,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:36:04,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:36:04,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:36:04,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:36:04,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:36:04,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:36:04,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-10 01:36:04,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:36:04,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:36:04,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:36:07,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:36:07,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:36:07,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:36:07,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:36:07,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:36:07,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:36:07,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:36:07,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:36:07,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:36:07,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:36:07,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:36:07,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:36:07,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:36:07,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:36:07,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:36:07,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:36:07,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:36:07,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:36:07,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:36:07,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:36:07,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:36:07,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:36:07,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:36:07,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:36:07,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:36:07,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:36:07,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:36:07,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:36:07,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:36:07,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:36:07,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:36:07,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:36:07,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:36:07,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:36:07,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:36:07,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2021-07-10 01:36:07,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:36:07,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:36:07,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:36:07,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:36:07,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:36:07,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-07-10 01:36:07,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 01:36:07,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:36:07,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:36:07,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:36:07,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:36:07,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:36:07,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:36:07,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-07-10 01:36:07,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 01:36:07,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:36:07,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:36:07,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:36:07,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:36:07,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:36:07,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:36:07,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-10 01:36:07,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:36:07,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:36:07,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:36:07,796 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 62 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1055 [2021-07-10 01:36:07,797 INFO L430 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:36:07,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:36:07,797 INFO L82 PathProgramCache]: Analyzing trace with hash 1406326836, now seen corresponding path program 56 times [2021-07-10 01:36:07,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:36:07,797 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260108879] [2021-07-10 01:36:07,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:36:07,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:36:09,285 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:36:09,286 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:36:09,286 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260108879] [2021-07-10 01:36:09,286 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260108879] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:36:09,286 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1123897760] [2021-07-10 01:36:09,286 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 [2021-07-10 01:36:09,342 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 01:36:09,342 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:36:09,344 WARN L261 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 141 conjunts are in the unsatisfiable core [2021-07-10 01:36:09,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:36:10,844 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2021-07-10 01:36:11,205 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-07-10 01:36:11,557 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2021-07-10 01:36:12,017 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-07-10 01:36:12,461 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2021-07-10 01:36:13,037 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2021-07-10 01:36:13,166 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 148 [2021-07-10 01:36:13,758 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2021-07-10 01:36:14,380 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2021-07-10 01:36:14,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,456 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,461 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,467 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,472 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,477 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,481 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,486 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,487 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,488 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,494 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,499 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,510 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,516 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,523 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,527 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,533 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,534 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,535 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 36 disjoint index pairs (out of 153 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 115 [2021-07-10 01:36:14,537 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:36:14,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,544 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,549 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,555 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,560 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,565 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,569 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,574 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,575 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,576 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 36 disjoint index pairs (out of 153 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 171 treesize of output 117 [2021-07-10 01:36:14,578 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:36:14,718 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2021-07-10 01:36:14,718 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:36:14,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,727 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,733 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,737 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,770 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,776 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,779 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,779 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,783 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,783 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,787 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,807 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,811 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,825 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,844 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,848 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,849 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,853 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,854 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,854 INFO L244 Elim1Store]: Index analysis took 130 ms [2021-07-10 01:36:14,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 36 disjoint index pairs (out of 153 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 115 [2021-07-10 01:36:14,856 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:36:14,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,864 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,871 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,887 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,892 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,898 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,901 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,901 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:14,905 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,905 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:14,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 36 disjoint index pairs (out of 153 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 159 treesize of output 107 [2021-07-10 01:36:14,907 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:36:15,079 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-07-10 01:36:15,080 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:36:15,087 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-07-10 01:36:15,087 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:699, output treesize:399 [2021-07-10 01:36:16,238 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2021-07-10 01:36:16,996 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 208 [2021-07-10 01:36:17,161 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 379 [2021-07-10 01:36:17,873 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 208 [2021-07-10 01:36:18,643 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 208 [2021-07-10 01:36:19,523 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 208 [2021-07-10 01:36:20,206 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 208 [2021-07-10 01:36:20,904 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 208 [2021-07-10 01:36:21,780 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 208 [2021-07-10 01:36:22,416 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 208 [2021-07-10 01:36:22,541 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_307, v_prenex_309, array_4, v_prenex_311, v_prenex_313], 45=[v_prenex_306, v_prenex_308, array_0, v_prenex_310, v_prenex_312]} [2021-07-10 01:36:22,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 75 [2021-07-10 01:36:22,581 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:36:22,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 77 [2021-07-10 01:36:22,592 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-10 01:36:22,860 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 176 [2021-07-10 01:36:22,860 INFO L628 ElimStorePlain]: treesize reduction 438, result has 45.0 percent of original size [2021-07-10 01:36:22,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 77 [2021-07-10 01:36:22,868 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:36:22,939 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:36:22,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 70 [2021-07-10 01:36:22,947 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:36:22,999 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:36:23,000 INFO L518 ElimStorePlain]: Eliminatee v_prenex_311 vanished before elimination [2021-07-10 01:36:23,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 77 [2021-07-10 01:36:23,007 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2021-07-10 01:36:23,051 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:36:23,056 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:23,057 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:23,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-10 01:36:23,058 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:36:23,061 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:23,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-10 01:36:23,062 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 01:36:23,070 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:36:23,110 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:36:23,113 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:23,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2021-07-10 01:36:23,114 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 01:36:23,154 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:36:23,157 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:23,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-07-10 01:36:23,158 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-10 01:36:23,196 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:36:23,196 INFO L518 ElimStorePlain]: Eliminatee v_prenex_310 vanished before elimination [2021-07-10 01:36:23,199 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:23,199 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:23,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-10 01:36:23,200 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-10 01:36:23,203 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:23,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-10 01:36:23,204 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-10 01:36:23,211 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:36:23,244 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:36:23,246 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 10 dim-1 vars, End of recursive call: and 7 xjuncts. [2021-07-10 01:36:23,246 INFO L247 ElimStorePlain]: Needed 12 recursive calls to eliminate 15 variables, input treesize:937, output treesize:52 [2021-07-10 01:36:23,407 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:36:23,407 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1123897760] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:36:23,407 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:36:23,407 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 32] total 63 [2021-07-10 01:36:23,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135122019] [2021-07-10 01:36:23,407 INFO L462 AbstractCegarLoop]: Interpolant automaton has 63 states [2021-07-10 01:36:23,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:36:23,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-07-10 01:36:23,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=3772, Unknown=0, NotChecked=0, Total=3906 [2021-07-10 01:36:23,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:36:23,408 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:36:23,408 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 63 states, 63 states have (on average 1.2222222222222223) internal successors, (77), 63 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:36:23,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:36:23,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:36:23,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:36:23,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:36:23,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:36:23,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:36:23,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:36:23,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:36:23,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:36:23,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:36:23,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:36:23,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:36:23,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:36:23,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:36:23,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:36:23,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:36:23,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:36:23,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:36:23,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:36:23,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:36:23,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:36:23,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:36:23,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:36:23,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:36:23,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:36:23,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:36:23,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:36:23,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:36:23,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:36:23,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:36:23,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:36:23,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:36:23,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:36:23,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:36:23,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:36:23,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2021-07-10 01:36:23,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:36:23,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:36:23,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:36:23,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:36:23,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:36:23,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-07-10 01:36:23,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-10 01:36:23,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:36:23,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:36:23,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:36:23,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:36:23,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:36:23,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:36:23,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-07-10 01:36:23,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 01:36:23,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:36:23,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:36:23,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:36:23,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:36:23,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:36:23,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:36:23,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-10 01:36:23,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:36:23,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:36:23,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:36:23,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:36:30,588 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 80 [2021-07-10 01:36:30,972 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 87 [2021-07-10 01:36:31,688 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 222 [2021-07-10 01:36:32,344 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 105 [2021-07-10 01:36:33,362 WARN L205 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 153 [2021-07-10 01:36:34,305 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 113 [2021-07-10 01:36:35,550 WARN L205 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 161 [2021-07-10 01:36:36,520 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 121 [2021-07-10 01:36:37,531 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 125 [2021-07-10 01:36:38,524 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 129 [2021-07-10 01:36:39,470 WARN L205 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 259 [2021-07-10 01:36:41,134 WARN L205 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 273 [2021-07-10 01:36:41,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:36:41,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:36:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:36:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:36:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:36:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:36:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:36:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:36:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:36:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:36:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:36:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:36:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:36:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:36:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:36:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:36:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:36:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:36:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:36:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:36:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:36:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:36:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:36:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:36:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:36:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:36:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:36:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:36:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:36:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:36:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:36:41,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:36:41,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:36:41,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:36:41,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:36:41,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2021-07-10 01:36:41,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:36:41,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:36:41,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:36:41,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:36:41,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:36:41,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-07-10 01:36:41,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 01:36:41,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:36:41,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:36:41,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:36:41,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:36:41,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:36:41,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:36:41,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-07-10 01:36:41,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 01:36:41,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:36:41,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:36:41,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:36:41,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:36:41,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:36:41,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:36:41,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-10 01:36:41,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:36:41,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:36:41,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:36:41,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:36:41,582 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 63 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1058 [2021-07-10 01:36:41,582 INFO L430 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:36:41,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:36:41,582 INFO L82 PathProgramCache]: Analyzing trace with hash 1968841700, now seen corresponding path program 57 times [2021-07-10 01:36:41,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:36:41,582 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071430180] [2021-07-10 01:36:41,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:36:41,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:36:42,404 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2021-07-10 01:36:43,041 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:36:43,042 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:36:43,042 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071430180] [2021-07-10 01:36:43,042 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071430180] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:36:43,042 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1267444225] [2021-07-10 01:36:43,042 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-07-10 01:36:43,108 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-10 01:36:43,108 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:36:43,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 96 conjunts are in the unsatisfiable core [2021-07-10 01:36:43,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:36:44,490 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-07-10 01:36:45,005 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2021-07-10 01:36:46,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,698 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:46,725 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:46,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 67 [2021-07-10 01:36:46,728 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:36:46,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,755 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:46,783 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:46,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 68 [2021-07-10 01:36:46,786 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:36:46,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,813 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:46,840 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:46,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 67 [2021-07-10 01:36:46,843 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:36:46,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,870 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:46,897 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:46,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 76 [2021-07-10 01:36:46,900 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:36:46,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,927 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:46,953 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:46,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 68 [2021-07-10 01:36:46,956 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:36:46,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:36:46,981 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:46,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 75 [2021-07-10 01:36:46,985 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:36:47,085 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2021-07-10 01:36:47,086 INFO L628 ElimStorePlain]: treesize reduction 2, result has 98.5 percent of original size [2021-07-10 01:36:47,089 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 6 xjuncts. [2021-07-10 01:36:47,090 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:721, output treesize:125 [2021-07-10 01:36:48,333 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_319, array_4], 1=[v_prenex_318, array_0]} [2021-07-10 01:36:48,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:36:48,336 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:36:48,338 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:36:48,339 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:36:48,364 INFO L628 ElimStorePlain]: treesize reduction 38, result has 54.8 percent of original size [2021-07-10 01:36:48,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2021-07-10 01:36:48,366 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-07-10 01:36:48,382 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:36:48,382 INFO L518 ElimStorePlain]: Eliminatee v_prenex_318 vanished before elimination [2021-07-10 01:36:48,384 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:48,384 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:48,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-10 01:36:48,385 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:36:48,387 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:36:48,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-10 01:36:48,387 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:36:48,393 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:36:48,406 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:36:48,407 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 01:36:48,407 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:119, output treesize:18 [2021-07-10 01:36:48,482 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:36:48,482 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1267444225] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:36:48,482 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:36:48,482 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 34] total 66 [2021-07-10 01:36:48,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150294822] [2021-07-10 01:36:48,482 INFO L462 AbstractCegarLoop]: Interpolant automaton has 66 states [2021-07-10 01:36:48,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:36:48,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-07-10 01:36:48,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=4093, Unknown=0, NotChecked=0, Total=4290 [2021-07-10 01:36:48,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:36:48,484 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:36:48,484 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 66 states, 66 states have (on average 1.196969696969697) internal successors, (79), 66 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:36:48,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:36:48,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:36:48,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:36:48,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:36:48,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:36:48,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:36:48,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:36:48,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:36:48,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:36:48,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:36:48,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:36:48,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:36:48,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:36:48,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:36:48,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:36:48,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:36:48,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:36:48,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:36:48,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:36:48,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:36:48,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:36:48,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:36:48,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:36:48,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:36:48,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:36:48,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:36:48,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:36:48,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:36:48,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:36:48,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:36:48,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:36:48,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:36:48,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:36:48,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:36:48,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:36:48,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2021-07-10 01:36:48,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:36:48,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:36:48,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:36:48,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:36:48,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:36:48,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-07-10 01:36:48,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-10 01:36:48,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:36:48,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:36:48,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:36:48,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:36:48,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:36:48,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:36:48,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-07-10 01:36:48,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 01:36:48,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:36:48,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:36:48,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:36:48,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:36:48,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:36:48,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:36:48,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-10 01:36:48,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:36:48,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:36:48,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:36:48,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:36:48,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:36:56,021 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2021-07-10 01:36:56,520 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 159 [2021-07-10 01:36:56,985 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 159 [2021-07-10 01:36:57,507 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 159 [2021-07-10 01:36:58,037 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 159 [2021-07-10 01:36:58,575 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 159 [2021-07-10 01:36:59,105 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 159 [2021-07-10 01:36:59,623 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 159 [2021-07-10 01:37:00,234 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 159 [2021-07-10 01:37:00,752 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 159 [2021-07-10 01:37:01,290 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 109 [2021-07-10 01:37:01,711 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 95 [2021-07-10 01:37:02,231 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 100 [2021-07-10 01:37:02,643 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 100 [2021-07-10 01:37:03,060 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 100 [2021-07-10 01:37:03,477 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 100 [2021-07-10 01:37:03,890 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 100 [2021-07-10 01:37:04,299 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 100 [2021-07-10 01:37:04,712 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 100 [2021-07-10 01:37:05,149 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 100 [2021-07-10 01:37:05,567 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 100 [2021-07-10 01:37:05,976 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 102 [2021-07-10 01:37:06,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:37:06,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:37:06,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:37:06,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:37:06,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:37:06,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:37:06,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:37:06,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:37:06,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:37:06,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:37:06,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:37:06,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:37:06,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:37:06,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:37:06,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:37:06,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:37:06,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:37:06,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:37:06,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:37:06,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:37:06,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:37:06,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:37:06,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:37:06,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:37:06,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:37:06,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:37:06,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:37:06,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:37:06,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:37:06,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:37:06,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:37:06,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:37:06,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:37:06,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:37:06,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:37:06,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2021-07-10 01:37:06,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:37:06,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:37:06,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:37:06,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:37:06,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:37:06,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-07-10 01:37:06,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 01:37:06,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:37:06,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:37:06,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:37:06,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:37:06,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:37:06,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:37:06,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-07-10 01:37:06,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 01:37:06,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:37:06,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:37:06,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:37:06,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:37:06,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:37:06,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:37:06,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-10 01:37:06,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:37:06,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:37:06,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:37:06,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:37:06,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-10 01:37:06,312 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 64 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1133 [2021-07-10 01:37:06,313 INFO L430 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:37:06,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:37:06,313 INFO L82 PathProgramCache]: Analyzing trace with hash 1562102290, now seen corresponding path program 58 times [2021-07-10 01:37:06,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:37:06,313 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878177655] [2021-07-10 01:37:06,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:37:06,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:37:07,021 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 10 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:37:07,021 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:37:07,021 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878177655] [2021-07-10 01:37:07,021 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878177655] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:37:07,022 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [813794079] [2021-07-10 01:37:07,022 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 [2021-07-10 01:37:07,076 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 01:37:07,077 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:37:07,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 68 conjunts are in the unsatisfiable core [2021-07-10 01:37:07,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:37:07,519 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:37:07,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 01:37:07,520 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:37:07,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 01:37:07,523 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:37:07,525 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 7 treesize of output 5 [2021-07-10 01:37:07,526 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:37:07,528 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:37:07,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:37:07,529 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:37:07,531 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:37:07,531 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:37:07,533 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:37:07,533 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:37:07,559 INFO L628 ElimStorePlain]: treesize reduction 6, result has 84.2 percent of original size [2021-07-10 01:37:07,560 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-10 01:37:07,560 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 1 variables, input treesize:107, output treesize:32 [2021-07-10 01:37:07,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 01:37:07,999 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:37:08,001 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:37:08,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 01:37:08,002 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:37:08,004 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:37:08,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:37:08,005 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:37:08,006 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:37:08,007 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:37:08,021 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-07-10 01:37:08,021 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-10 01:37:08,022 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:37:08,022 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-10 01:37:08,072 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 10 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:37:08,073 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [813794079] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:37:08,073 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:37:08,073 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 55 [2021-07-10 01:37:08,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040461000] [2021-07-10 01:37:08,073 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-07-10 01:37:08,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:37:08,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-07-10 01:37:08,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=2824, Unknown=0, NotChecked=0, Total=2970 [2021-07-10 01:37:08,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:37:08,074 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:37:08,074 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) [2021-07-10 01:37:08,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:37:08,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:37:08,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:37:08,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:37:08,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:37:08,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:37:08,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:37:08,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:37:08,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:37:08,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:37:08,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:37:08,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:37:08,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:37:08,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:37:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:37:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:37:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:37:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:37:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:37:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:37:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:37:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:37:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:37:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:37:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:37:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:37:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:37:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:37:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:37:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:37:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:37:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:37:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:37:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:37:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:37:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2021-07-10 01:37:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:37:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:37:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:37:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:37:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:37:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-07-10 01:37:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-10 01:37:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:37:08,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:37:08,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:37:08,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:37:08,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:37:08,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:37:08,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-07-10 01:37:08,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 01:37:08,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:37:08,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:37:08,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:37:08,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:37:08,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:37:08,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:37:08,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-10 01:37:08,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:37:08,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:37:08,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:37:08,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:37:08,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-10 01:37:08,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:37:12,738 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2021-07-10 01:37:14,911 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 451 DAG size of output: 401 [2021-07-10 01:37:16,827 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 451 DAG size of output: 401 [2021-07-10 01:37:18,383 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 451 DAG size of output: 400 [2021-07-10 01:37:20,154 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 451 DAG size of output: 401 [2021-07-10 01:37:22,009 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 451 DAG size of output: 401 [2021-07-10 01:37:23,880 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 451 DAG size of output: 401 [2021-07-10 01:37:25,711 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 451 DAG size of output: 401 [2021-07-10 01:37:27,487 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 451 DAG size of output: 401 [2021-07-10 01:37:28,430 WARN L205 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 274 [2021-07-10 01:37:28,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:37:28,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:37:28,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:37:28,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:37:28,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:37:28,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:37:28,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:37:28,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:37:28,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:37:28,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:37:28,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:37:28,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:37:28,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:37:28,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:37:28,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:37:28,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:37:28,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:37:28,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:37:28,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:37:28,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:37:28,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:37:28,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:37:28,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:37:28,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:37:28,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:37:28,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:37:28,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:37:28,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:37:28,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:37:28,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:37:28,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:37:28,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:37:28,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:37:28,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:37:28,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:37:28,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2021-07-10 01:37:28,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:37:28,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:37:28,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:37:28,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:37:28,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:37:28,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-07-10 01:37:28,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 01:37:28,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:37:28,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:37:28,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:37:28,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:37:28,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:37:28,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:37:28,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-07-10 01:37:28,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 01:37:28,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:37:28,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:37:28,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:37:28,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:37:28,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:37:28,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:37:28,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-10 01:37:28,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:37:28,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:37:28,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:37:28,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:37:28,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-10 01:37:28,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:37:28,902 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1161,65 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:37:28,902 INFO L430 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:37:28,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:37:28,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1304010690, now seen corresponding path program 59 times [2021-07-10 01:37:28,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:37:28,903 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373337724] [2021-07-10 01:37:28,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:37:28,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:37:29,953 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:37:29,953 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:37:29,953 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373337724] [2021-07-10 01:37:29,953 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373337724] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:37:29,953 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908919940] [2021-07-10 01:37:29,953 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 66 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 66 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:37:30,017 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-10 01:37:30,018 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:37:30,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 94 conjunts are in the unsatisfiable core [2021-07-10 01:37:30,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:37:31,264 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-07-10 01:37:31,539 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-07-10 01:37:31,828 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-07-10 01:37:32,162 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-07-10 01:37:32,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,220 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:37:32,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,242 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:37:32,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 69 [2021-07-10 01:37:32,258 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:37:32,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,266 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:37:32,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,288 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:37:32,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 75 [2021-07-10 01:37:32,315 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:37:32,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,333 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:37:32,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,360 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:37:32,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 77 [2021-07-10 01:37:32,376 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2021-07-10 01:37:32,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,384 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:37:32,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:37:32,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 67 [2021-07-10 01:37:32,407 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:37:32,459 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:37:32,464 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2021-07-10 01:37:32,464 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:489, output treesize:125 [2021-07-10 01:37:34,501 INFO L446 ElimStorePlain]: Different costs {1=[array_4], 21=[array_0]} [2021-07-10 01:37:34,507 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:37:34,508 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 16 treesize of output 12 [2021-07-10 01:37:34,508 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:37:34,523 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:37:34,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-07-10 01:37:34,525 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:37:34,529 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:37:34,529 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 19 treesize of output 15 [2021-07-10 01:37:34,530 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:37:34,535 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:37:34,535 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 18 treesize of output 14 [2021-07-10 01:37:34,536 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:37:34,540 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:37:34,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:37:34,556 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:37:34,562 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:37:34,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-07-10 01:37:34,563 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:37:34,568 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:37:34,568 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 27 treesize of output 21 [2021-07-10 01:37:34,569 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 01:37:34,574 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:37:34,575 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 15 treesize of output 11 [2021-07-10 01:37:34,575 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 01:37:34,579 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:37:34,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-07-10 01:37:34,581 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-10 01:37:34,586 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:37:34,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:37:34,587 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-10 01:37:34,592 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:37:34,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 01:37:34,593 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-10 01:37:34,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-07-10 01:37:34,614 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-10 01:37:34,820 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 52 [2021-07-10 01:37:34,821 INFO L628 ElimStorePlain]: treesize reduction 95, result has 62.3 percent of original size [2021-07-10 01:37:34,826 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:37:34,826 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:37:34,826 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 20 treesize of output 9 [2021-07-10 01:37:34,827 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-10 01:37:34,831 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:37:34,831 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:37:34,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-07-10 01:37:34,832 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-10 01:37:34,836 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:37:34,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 5 [2021-07-10 01:37:34,836 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-10 01:37:34,905 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:37:34,908 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-07-10 01:37:34,908 INFO L247 ElimStorePlain]: Needed 16 recursive calls to eliminate 8 variables, input treesize:395, output treesize:76 [2021-07-10 01:37:35,108 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:37:35,108 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1908919940] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:37:35,108 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:37:35,108 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 34] total 58 [2021-07-10 01:37:35,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242309144] [2021-07-10 01:37:35,108 INFO L462 AbstractCegarLoop]: Interpolant automaton has 58 states [2021-07-10 01:37:35,108 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:37:35,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-07-10 01:37:35,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=3172, Unknown=0, NotChecked=0, Total=3306 [2021-07-10 01:37:35,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:37:35,109 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:37:35,109 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 58 states, 58 states have (on average 1.2241379310344827) internal successors, (71), 58 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:37:35,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:37:35,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:37:35,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:37:35,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:37:35,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:37:35,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:37:35,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:37:35,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:37:35,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:37:35,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:37:35,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:37:35,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:37:35,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:37:35,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:37:35,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:37:35,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:37:35,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:37:35,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:37:35,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:37:35,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:37:35,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:37:35,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:37:35,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:37:35,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:37:35,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:37:35,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:37:35,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:37:35,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:37:35,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:37:35,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:37:35,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:37:35,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:37:35,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:37:35,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:37:35,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:37:35,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2021-07-10 01:37:35,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:37:35,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:37:35,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:37:35,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:37:35,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:37:35,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-07-10 01:37:35,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-10 01:37:35,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:37:35,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:37:35,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:37:35,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:37:35,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:37:35,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:37:35,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-07-10 01:37:35,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 01:37:35,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:37:35,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:37:35,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:37:35,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:37:35,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:37:35,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:37:35,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-10 01:37:35,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:37:35,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:37:35,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:37:35,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:37:35,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-10 01:37:35,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:37:35,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:37:39,059 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 61 [2021-07-10 01:37:39,346 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 66 [2021-07-10 01:37:39,655 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 71 [2021-07-10 01:37:39,999 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 76 [2021-07-10 01:37:40,371 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 81 [2021-07-10 01:37:40,678 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2021-07-10 01:37:41,169 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 105 [2021-07-10 01:37:41,453 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 98 [2021-07-10 01:37:41,998 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 121 [2021-07-10 01:37:42,483 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 123 [2021-07-10 01:37:43,045 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 123 [2021-07-10 01:37:43,535 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 123 [2021-07-10 01:37:44,030 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 123 [2021-07-10 01:37:44,533 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 123 [2021-07-10 01:37:45,039 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 123 [2021-07-10 01:37:45,539 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 123 [2021-07-10 01:37:46,041 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 123 [2021-07-10 01:37:46,585 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 120 [2021-07-10 01:37:47,511 WARN L205 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 208 [2021-07-10 01:37:47,969 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 99 [2021-07-10 01:37:48,244 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 99 [2021-07-10 01:37:48,514 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 99 [2021-07-10 01:37:48,786 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 99 [2021-07-10 01:37:49,056 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 99 [2021-07-10 01:37:49,392 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 99 [2021-07-10 01:37:49,658 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 99 [2021-07-10 01:37:49,923 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 99 [2021-07-10 01:37:50,177 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 94 [2021-07-10 01:37:50,795 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 195 [2021-07-10 01:37:51,446 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 81 [2021-07-10 01:37:51,971 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 62 [2021-07-10 01:37:52,235 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 60 [2021-07-10 01:37:52,597 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 81 [2021-07-10 01:37:53,009 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 102 [2021-07-10 01:37:53,328 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 75 [2021-07-10 01:37:53,815 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 96 [2021-07-10 01:37:54,060 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2021-07-10 01:37:54,256 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 64 [2021-07-10 01:37:54,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:37:54,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:37:54,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:37:54,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:37:54,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:37:54,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:37:54,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:37:54,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:37:54,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:37:54,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:37:54,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:37:54,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:37:54,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:37:54,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:37:54,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:37:54,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:37:54,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:37:54,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:37:54,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:37:54,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:37:54,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:37:54,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:37:54,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:37:54,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:37:54,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:37:54,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:37:54,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:37:54,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:37:54,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:37:54,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:37:54,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:37:54,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:37:54,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:37:54,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:37:54,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:37:54,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2021-07-10 01:37:54,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:37:54,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:37:54,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:37:54,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:37:54,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:37:54,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-07-10 01:37:54,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 01:37:54,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:37:54,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:37:54,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:37:54,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:37:54,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:37:54,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:37:54,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-07-10 01:37:54,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 01:37:54,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:37:54,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:37:54,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:37:54,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:37:54,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:37:54,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:37:54,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-10 01:37:54,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:37:54,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-10 01:37:54,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:37:54,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:37:54,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-10 01:37:54,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:37:54,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-10 01:37:54,715 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1169 [2021-07-10 01:37:54,716 INFO L430 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:37:54,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:37:54,723 INFO L82 PathProgramCache]: Analyzing trace with hash -2075502108, now seen corresponding path program 60 times [2021-07-10 01:37:54,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:37:54,723 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537019586] [2021-07-10 01:37:54,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:37:54,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:37:55,281 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 9 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:37:55,281 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:37:55,281 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537019586] [2021-07-10 01:37:55,281 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537019586] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:37:55,281 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1604407166] [2021-07-10 01:37:55,281 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 67 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 67 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:37:55,337 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-10 01:37:55,337 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:37:55,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 62 conjunts are in the unsatisfiable core [2021-07-10 01:37:55,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:37:55,504 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:37:55,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:37:55,505 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:37:55,507 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 16 treesize of output 12 [2021-07-10 01:37:55,508 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:37:55,521 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:37:55,521 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:37:55,521 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-10 01:37:55,827 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:37:55,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:37:55,828 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:37:55,830 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:37:55,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 01:37:55,831 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:37:55,833 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 01:37:55,834 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:37:55,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2021-07-10 01:37:55,836 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 01:37:55,851 INFO L628 ElimStorePlain]: treesize reduction 16, result has 44.8 percent of original size [2021-07-10 01:37:55,851 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-10 01:37:55,851 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:37:55,851 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:75, output treesize:13 [2021-07-10 01:37:55,891 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 9 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:37:55,892 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1604407166] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:37:55,892 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:37:55,892 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 42 [2021-07-10 01:37:55,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586449565] [2021-07-10 01:37:55,892 INFO L462 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-07-10 01:37:55,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:37:55,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-07-10 01:37:55,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1614, Unknown=0, NotChecked=0, Total=1722 [2021-07-10 01:37:55,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:37:55,893 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:37:55,893 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 42 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 42 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:37:55,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:37:55,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:37:55,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:37:55,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:37:55,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:37:55,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:37:55,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:37:55,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:37:55,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:37:55,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:37:55,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:37:55,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:37:55,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:37:55,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:37:55,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:37:55,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:37:55,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:37:55,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:37:55,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:37:55,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:37:55,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:37:55,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:37:55,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:37:55,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:37:55,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:37:55,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:37:55,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:37:55,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:37:55,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:37:55,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:37:55,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:37:55,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:37:55,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:37:55,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:37:55,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:37:55,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2021-07-10 01:37:55,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:37:55,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:37:55,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:37:55,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:37:55,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:37:55,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-07-10 01:37:55,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-10 01:37:55,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:37:55,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:37:55,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:37:55,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:37:55,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:37:55,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:37:55,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-07-10 01:37:55,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 01:37:55,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:37:55,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:37:55,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:37:55,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:37:55,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:37:55,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:37:55,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-10 01:37:55,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:37:55,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-10 01:37:55,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:37:55,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:37:55,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-10 01:37:55,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:37:55,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-10 01:37:55,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:37:59,045 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2021-07-10 01:37:59,290 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 85 [2021-07-10 01:37:59,537 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2021-07-10 01:37:59,784 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 77 [2021-07-10 01:37:59,973 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 53 [2021-07-10 01:38:00,187 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 62 [2021-07-10 01:38:00,483 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2021-07-10 01:38:00,796 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 84 [2021-07-10 01:38:01,131 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 97 [2021-07-10 01:38:01,497 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 106 [2021-07-10 01:38:01,807 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 68 [2021-07-10 01:38:02,063 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 77 [2021-07-10 01:38:02,480 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 91 [2021-07-10 01:38:02,926 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 99 [2021-07-10 01:38:08,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:38:08,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:38:08,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:38:08,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:38:08,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:38:08,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:38:08,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:38:08,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:38:08,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:38:08,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:38:08,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:38:08,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:38:08,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:38:08,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:38:08,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:38:08,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:38:08,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:38:08,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:38:08,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:38:08,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:38:08,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:38:08,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:38:08,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:38:08,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:38:08,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:38:08,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:38:08,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:38:08,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:38:08,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:38:08,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:38:08,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:38:08,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:38:08,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:38:08,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:38:08,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:38:08,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2021-07-10 01:38:08,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:38:08,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:38:08,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:38:08,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:38:08,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:38:08,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-07-10 01:38:08,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 01:38:08,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:38:08,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:38:08,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:38:08,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:38:08,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:38:08,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:38:08,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-07-10 01:38:08,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 01:38:08,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:38:08,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:38:08,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:38:08,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:38:08,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:38:08,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2021-07-10 01:38:08,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-10 01:38:08,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:38:08,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:38:08,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:38:08,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:38:08,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-10 01:38:08,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:38:08,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-10 01:38:08,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 01:38:08,962 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 67 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1211 [2021-07-10 01:38:08,962 INFO L430 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:38:08,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:38:08,963 INFO L82 PathProgramCache]: Analyzing trace with hash -2085164826, now seen corresponding path program 61 times [2021-07-10 01:38:08,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:38:08,963 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143736820] [2021-07-10 01:38:08,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:38:08,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:38:09,724 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:38:09,725 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:38:09,725 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143736820] [2021-07-10 01:38:09,725 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143736820] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:38:09,725 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1370597906] [2021-07-10 01:38:09,725 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 68 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 68 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:38:09,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:38:09,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 94 conjunts are in the unsatisfiable core [2021-07-10 01:38:09,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:38:10,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:38:10,142 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:38:10,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-07-10 01:38:10,144 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:38:10,152 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:38:10,152 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:38:10,152 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:39, output treesize:25 [2021-07-10 01:38:10,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:10,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:10,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:10,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:10,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:10,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:10,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:10,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:10,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:10,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:10,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:10,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:10,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:10,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:10,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:10,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:10,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:10,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:10,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:10,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:10,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:10,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:10,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:10,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:10,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:10,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:10,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:10,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:10,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:10,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:10,984 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:38:11,000 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 93 treesize of output 63 [2021-07-10 01:38:11,003 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:38:11,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,031 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:38:11,047 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 101 treesize of output 69 [2021-07-10 01:38:11,051 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:38:11,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,089 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:38:11,106 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 91 treesize of output 61 [2021-07-10 01:38:11,109 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 01:38:11,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 01:38:11,131 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 71 [2021-07-10 01:38:11,134 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2021-07-10 01:38:11,180 INFO L628 ElimStorePlain]: treesize reduction 55, result has 52.2 percent of original size [2021-07-10 01:38:11,182 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:38:11,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2021-07-10 01:38:11,183 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 01:38:11,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-07-10 01:38:11,186 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 01:38:11,192 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:38:11,211 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:38:11,211 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:38:11,211 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:429, output treesize:38 [2021-07-10 01:38:11,332 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:38:11,332 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1370597906] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:38:11,332 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:38:11,332 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 34] total 47 [2021-07-10 01:38:11,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583115815] [2021-07-10 01:38:11,333 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-07-10 01:38:11,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:38:11,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-07-10 01:38:11,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=2040, Unknown=0, NotChecked=0, Total=2162 [2021-07-10 01:38:11,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:38:11,333 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:38:11,333 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 1.297872340425532) internal successors, (61), 47 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:38:11,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:38:11,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:38:11,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:38:11,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:38:11,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:38:11,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:38:11,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:38:11,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:38:11,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:38:11,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:38:11,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:38:11,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:38:11,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:38:11,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:38:11,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:38:11,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:38:11,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:38:11,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:38:11,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:38:11,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:38:11,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:38:11,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:38:11,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:38:11,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:38:11,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:38:11,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:38:11,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:38:11,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:38:11,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:38:11,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:38:11,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:38:11,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:38:11,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:38:11,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:38:11,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:38:11,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2021-07-10 01:38:11,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:38:11,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:38:11,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:38:11,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:38:11,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:38:11,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-07-10 01:38:11,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-10 01:38:11,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:38:11,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:38:11,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:38:11,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:38:11,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:38:11,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:38:11,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-07-10 01:38:11,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 01:38:11,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:38:11,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:38:11,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:38:11,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:38:11,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:38:11,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2021-07-10 01:38:11,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-10 01:38:11,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:38:11,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:38:11,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:38:11,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:38:11,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-10 01:38:11,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:38:11,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-10 01:38:11,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 01:38:11,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:38:14,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:38:14,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:38:14,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:38:14,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:38:14,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:38:14,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:38:14,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:38:14,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:38:14,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:38:14,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:38:14,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:38:14,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:38:14,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:38:14,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:38:14,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:38:14,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:38:14,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:38:14,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:38:14,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:38:14,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:38:14,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:38:14,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:38:14,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:38:14,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:38:14,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:38:14,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:38:14,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:38:14,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:38:14,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:38:14,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:38:14,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:38:14,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:38:14,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:38:14,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:38:14,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:38:14,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2021-07-10 01:38:14,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:38:14,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:38:14,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:38:14,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:38:14,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:38:14,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-07-10 01:38:14,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 01:38:14,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:38:14,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:38:14,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:38:14,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:38:14,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:38:14,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:38:14,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-07-10 01:38:14,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 01:38:14,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:38:14,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:38:14,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:38:14,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:38:14,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:38:14,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2021-07-10 01:38:14,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-10 01:38:14,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:38:14,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:38:14,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:38:14,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:38:14,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-10 01:38:14,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:38:14,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-10 01:38:14,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 01:38:14,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 01:38:14,833 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1217,68 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:38:14,834 INFO L430 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:38:14,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:38:14,834 INFO L82 PathProgramCache]: Analyzing trace with hash 1106782578, now seen corresponding path program 62 times [2021-07-10 01:38:14,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:38:14,834 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901447368] [2021-07-10 01:38:14,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:38:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:38:15,420 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:38:15,421 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:38:15,421 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901447368] [2021-07-10 01:38:15,421 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901447368] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:38:15,421 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1461134111] [2021-07-10 01:38:15,421 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 69 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 69 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:38:15,473 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 01:38:15,473 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:38:15,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 68 conjunts are in the unsatisfiable core [2021-07-10 01:38:15,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:38:15,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:38:15,718 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:38:15,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:38:15,720 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:38:15,734 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:38:15,735 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 01:38:15,735 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:47, output treesize:33 [2021-07-10 01:38:16,122 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 01:38:16,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-07-10 01:38:16,123 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:38:16,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-10 01:38:16,126 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 01:38:16,141 INFO L628 ElimStorePlain]: treesize reduction 27, result has 30.8 percent of original size [2021-07-10 01:38:16,141 INFO L518 ElimStorePlain]: Eliminatee array_4 vanished before elimination [2021-07-10 01:38:16,142 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:38:16,142 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:12 [2021-07-10 01:38:16,183 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:38:16,183 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1461134111] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:38:16,183 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:38:16,183 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 46 [2021-07-10 01:38:16,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58563095] [2021-07-10 01:38:16,183 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-07-10 01:38:16,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:38:16,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-07-10 01:38:16,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=1951, Unknown=0, NotChecked=0, Total=2070 [2021-07-10 01:38:16,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:38:16,184 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:38:16,184 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 1.2608695652173914) internal successors, (58), 46 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:38:16,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:38:16,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:38:16,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:38:16,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:38:16,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:38:16,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:38:16,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:38:16,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:38:16,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:38:16,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:38:16,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:38:16,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:38:16,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:38:16,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:38:16,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:38:16,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:38:16,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:38:16,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:38:16,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:38:16,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:38:16,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:38:16,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:38:16,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:38:16,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:38:16,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:38:16,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:38:16,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:38:16,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:38:16,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:38:16,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:38:16,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:38:16,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:38:16,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:38:16,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:38:16,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:38:16,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2021-07-10 01:38:16,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:38:16,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:38:16,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:38:16,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:38:16,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:38:16,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-07-10 01:38:16,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-10 01:38:16,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:38:16,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:38:16,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:38:16,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:38:16,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:38:16,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:38:16,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-07-10 01:38:16,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 01:38:16,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:38:16,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:38:16,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:38:16,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:38:16,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:38:16,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2021-07-10 01:38:16,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-10 01:38:16,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:38:16,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:38:16,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:38:16,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:38:16,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-10 01:38:16,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:38:16,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-10 01:38:16,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 01:38:16,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-10 01:38:16,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:38:19,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:38:19,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:38:19,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:38:19,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:38:19,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 01:38:19,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:38:19,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:38:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:38:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:38:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:38:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:38:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:38:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:38:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:38:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:38:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:38:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:38:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:38:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:38:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:38:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:38:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:38:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 01:38:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 01:38:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:38:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:38:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 01:38:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:38:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:38:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-07-10 01:38:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 01:38:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:38:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:38:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:38:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:38:19,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2021-07-10 01:38:19,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:38:19,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:38:19,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:38:19,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-10 01:38:19,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-10 01:38:19,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-07-10 01:38:19,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-10 01:38:19,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 01:38:19,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-10 01:38:19,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 01:38:19,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:38:19,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-10 01:38:19,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-10 01:38:19,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-07-10 01:38:19,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 01:38:19,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:38:19,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-10 01:38:19,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:38:19,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-10 01:38:19,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-10 01:38:19,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2021-07-10 01:38:19,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-10 01:38:19,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-10 01:38:19,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:38:19,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-10 01:38:19,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:38:19,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-10 01:38:19,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-10 01:38:19,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-10 01:38:19,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 01:38:19,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-10 01:38:19,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-10 01:38:19,605 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 69 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1234 [2021-07-10 01:38:19,606 INFO L430 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:38:19,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:38:19,606 INFO L82 PathProgramCache]: Analyzing trace with hash 608073284, now seen corresponding path program 63 times [2021-07-10 01:38:19,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:38:19,606 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455942784] [2021-07-10 01:38:19,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:38:19,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:38:21,200 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 31 [2021-07-10 01:38:22,017 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:38:22,017 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:38:22,017 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455942784] [2021-07-10 01:38:22,017 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455942784] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:38:22,017 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895609816] [2021-07-10 01:38:22,017 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 70 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 70 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:38:22,084 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-10 01:38:22,085 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:38:22,087 WARN L261 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 161 conjunts are in the unsatisfiable core [2021-07-10 01:38:22,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:38:23,617 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-07-10 01:38:23,945 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2021-07-10 01:38:24,659 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 314 [2021-07-10 01:38:25,409 WARN L205 SmtUtils]: Spent 532.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2021-07-10 01:38:26,415 WARN L205 SmtUtils]: Spent 595.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2021-07-10 01:38:27,374 WARN L205 SmtUtils]: Spent 720.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-07-10 01:38:28,439 WARN L205 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2021-07-10 01:38:28,983 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-07-10 01:38:28,984 WARN L348 FreeRefinementEngine]: Global settings require throwing the following exception [2021-07-10 01:38:29,185 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1237,70 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:38:29,185 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:626) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:371) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:173) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:140) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:360) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:305) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:582) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:201) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:297) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:190) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:597) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:367) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:238) ... 53 more [2021-07-10 01:38:29,191 INFO L168 Benchmark]: Toolchain (without parser) took 550630.95 ms. Allocated memory was 190.8 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 170.3 MB in the beginning and 797.9 MB in the end (delta: -627.6 MB). Peak memory consumption was 761.5 MB. Max. memory is 8.0 GB. [2021-07-10 01:38:29,191 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 190.8 MB. Free memory is still 171.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 01:38:29,191 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.02 ms. Allocated memory is still 190.8 MB. Free memory was 170.2 MB in the beginning and 168.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-07-10 01:38:29,191 INFO L168 Benchmark]: Boogie Preprocessor took 19.22 ms. Allocated memory is still 190.8 MB. Free memory was 168.7 MB in the beginning and 167.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 01:38:29,191 INFO L168 Benchmark]: RCFGBuilder took 378.22 ms. Allocated memory is still 190.8 MB. Free memory was 167.7 MB in the beginning and 146.1 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-07-10 01:38:29,191 INFO L168 Benchmark]: TraceAbstraction took 550204.68 ms. Allocated memory was 190.8 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 145.6 MB in the beginning and 797.9 MB in the end (delta: -652.3 MB). Peak memory consumption was 735.2 MB. Max. memory is 8.0 GB. [2021-07-10 01:38:29,191 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 190.8 MB. Free memory is still 171.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 25.02 ms. Allocated memory is still 190.8 MB. Free memory was 170.2 MB in the beginning and 168.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 19.22 ms. Allocated memory is still 190.8 MB. Free memory was 168.7 MB in the beginning and 167.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 378.22 ms. Allocated memory is still 190.8 MB. Free memory was 167.7 MB in the beginning and 146.1 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 550204.68 ms. Allocated memory was 190.8 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 145.6 MB in the beginning and 797.9 MB in the end (delta: -652.3 MB). Peak memory consumption was 735.2 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...